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(1604 results)Search the Library
Mission Statement
TechRepublic's ITPapers is the Web's largest library of free technical IT white papers, webcasts, and case studies. Covering IT categories including Data Management, IT Management, Networking, Communications, Enterprise Applications, Storage, Security and much more, TechRepublic's White Paper Directory is the best source for technical white papers and IT information.
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White Papers
WAN Optimization Appliance Market Highlights 2Q09
Sep 2009
By deploying WAN optimization appliances, organizations can keep operational costs in check, or reduce them outright, which will help this segment weather the downturn better than other types of...
Provided by Infonetics Research
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White Papers
Telstra IP WAN
Mar 2008
Connecting the business across different cities, states and countries is now much easier with Telstra IP Wide Area Network (WAN). With in-built flexibility, security and scalability, it offers a...
Provided by Telstra
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White Papers
Telstra Wireless WAN
Aug 2008
Telstra Wireless WAN is a resilient and reliable alternative to fixed-line networking. With the significant speed and coverage advantages of the Telstra Next G network, mobile broadband access is...
Provided by Telstra
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Case Studies
Ibmec São Paulo Reduces Costs and Energy Consumption Using Efficient Data Network
Oct 2008
Ibmec São Paulo provides programs ranging from undergraduate courses to continuing education for different stages of students' careers, with the objective of developing leaders and professionals...
Provided by Nortel Networks
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Case Studies
High Performance Network Supports Brand New, Leading-EDGE Hospital Services
Jun 2009
Onze Lieve Vrouw Ziekenhuis (OLV) was constructing a brand new hospital building at its campus in Aalst, Belgium. Designed to deliver outpatient services to the local community, this building...
Provided by Nortel Networks
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Case Studies
PPL Telcom
Jan 2010
PPL Telcom is a wholly owned U.S. subsidiary of PPL Corporation, a Fortune 500 utility company. PPL wanted to differentiate itself from the local competition by building a tolerant network capable...
Provided by Nortel Networks
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Case Studies
Russia's Leading International Carrier Meets Mounting Bandwidth Demands While Accelerating Service Delivery and Lowering Costs - With the Nortel 40G Solution
Aug 2009
The RASCOM network encompasses a very large and diverse geography across Russia. By 2007, RASCOM's management and planning staff could see that their customers' demands, fueled by rapid growth in...
Provided by Nortel Networks
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White Papers
Best Practices in Deploying Cisco Nexus 1000V Series Switches on Cisco UCS Systems
Sep 2009
This paper provides design guidance and best practices in deploying the Cisco Nexus 1000V Series Switches - software switches embedded within the VMware vSphere hypervisor - on top of the Cisco...
Provided by Cisco Systems
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Whitepapers
IMS Solutions: Utilizing the IMS Synchronous Callout Function to Invoke a CICS Web Service Through IMS SOAP Gateway
Mar 2009
This white paper uses a sample scenario to demonstrate how to use the synchronous callout function of IMS to invoke an existing CICS Web service through the IMS SOAP Gateway. The scenario takes an...
Provided by IBM
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White Papers
Reference Architecture Brief: Dell Virtual Remote Desktop Featuring VMware View 4
Nov 2009
Today's challenging economic environment is forcing many organizations to revisit their IT infrastructure strategies. Exploring costeffective alternatives to manage the enterprise desktop...
Provided by VMware
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Case Studies
Sun Managed Services Provides Big-City School System Critical IT Operations Management
Jun 2008
The Chicago Public School System wanted to reduce IT operating costs and improve service levels and to enhance system management capabilities and achieve higher systems availability. The challenge...
Provided by Sun Microsystems
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Whitepapers
Network Hardening: Access Control Switch Features
Feb 2009
The problem that networks face is the possibility that a user could accidentally or purposely put an unauthorized Dynamic Host Configuration Protocol (DHCP) server on the network. This can create...
Provided by Hewlett-Packard (HP)
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White Papers
Network Reconfiguration for Loss Minimization by Optimal Switching Operation in Distribution System
Nov 2009
There are three functional areas of electrical utility namely Generation, Transmission and Distribution. Out of three functional areas of Electrical utility, the distribution sector needs more...
Provided by Academy Publisher
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White Papers
Optical Label Switching Technology and Energy-Efficient Future Networks
Sep 2009
The future Internet is rapidly emerging with a new set of very challenging requirements. It must support exponentially rising traffic volume with scalability, performance, and low power...
Provided by University of California
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White Papers
Impact of Bimodal Traffic on Latency in Optical Burst Switching Networks
Nov 2008
This paper analyzes the impact of bimodal traffic composition on latency in optical burst switching networks. In particular, it studies the performance degradation to short-length packets caused...
Provided by Hindawi Publishing
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White Papers
Airborne Network Switch With IEEE-1588 Support
Jul 2008
Today's data acquisition systems are typically comprised of data collectors connected to multiplexers via serial, point-to-point links. Data flows upstream from the sensors or avionics buses to...
Provided by Teletronics Technology
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White Papers
Unifying Packet and Circuit Switched Networks With OpenFlow
Dec 2009
There have been many attempts to unify the control and management of circuit and packet switched networks, but none have taken hold. This paper proposes a simple way to unify both types of network...
Provided by Stanford University
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White Papers
Wavelength Reservation and Traffic Loading in Optical Burst Switching Network Design: A Comparison Between Different Techniques
Jan 2010
A detailed analysis for just-in-time (JIT), justenough -time (JET) reservation schemes for Optical Burst Switched (OBS) networks is presented and compared. Also a detailed investigation for the...
Provided by Alexandria University
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White Papers
Distributed Contention Avoidance in Optical Burst-Switched Ring Networks
Nov 2008
Optical Burst Switching (OBS) is a promising technology for future optical networks. Due to its less complicated implementation using current optical and electrical components, OBS is seen as the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Cross-Layer Communication With an Optical Packet Switched Network Via a Message Injection Control Interface
Jun 2008
Optical Packet Switching (OPS) can offer a valuable approach for dynamically managing the vast growth of high throughput traffic in next-generation routers and high-performance computing systems....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Path Layout on Tree Networks: Bounds in Different Label Switching Models
Jan 2010
Path Layout is a fundamental graph problem in label switching protocols. This problem is raised in various protocols such as the traditional ATM protocol and MPLS which is a new label switching...
Provided by University of Haifa
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White Papers
Online Network-on-Chip Switch Fault Detection and Diagnosis Using Functional Switch Faults
Mar 2009
This paper presents efficient methods for online fault detection and diagnosis of Network-on-Chip (NoC) switches. The fault model considered in this research is a system level fault model based on...
Provided by University of Tehran
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White Papers
Bertrand Competition in Markets With Network Effects and Switching Costs
Nov 2007
This paper analyzes duopoly competition at the market with network effects and switching costs. The paper find that the evolution of the firms' market shares depends on the single parameter which...
Provided by University - Higher School of Economics
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White Papers
A Performance Analysis for UMTS Packet Switched Network Based on Multivariate KPIs
Mar 2010
Mobile data services are penetrating mobile markets rapidly. The mobile industry relies heavily on data service to replace the traditional voice services with the evolution of the wireless...
Provided by Stevens Institute of Technology
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White Papers
Building the Next-Generation Packet-Optical Switching Network
Sep 2009
Network operators in all regions of the world face a fundamental dilemma. On the one hand, global IP traffic continues to grow rapidly while the mix shifts to more and more multimedia and...
Provided by Ciena
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White Papers
Unifying Packet and Circuit Switched Networks
Sep 2009
There have been many attempts to unify the control and management of circuit and packet switched networks, but none have taken hold. This paper proposes a simple way to unify both types of network...
Provided by Stanford University
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White Papers
On Avoiding-Minimizing Burst Collisions in Optical Burst-Switched Networks Without Wavelength Conversion
Jun 2009
In this paper, a new MAC protocol for OBS networks is introduced, described and evaluated. Into operation, DAOBS avoids burst collisions in the core of the network by controlling the way OBS nodes...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Hybrid Packet-Circuit Switched On-Chip Network Based on SDM
Apr 2009
This paper proposes a novel on-chip communication scheme by dividing the resources of a traditional packet-switched network-on-chip between a packet-switched and a circuit-switched sub-network....
Provided by Economic Development Association of Alabama
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White Papers
Implementing Open Access on NGA Networks Using Optical Switching
Feb 2009
Next Generation Access (NGA) is seen by many as the key to the ongoing development, both socially and economically, of the global economy. Governments have cited the importance of high speed...
Provided by Calient Networks
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White Papers
Protection Switching Against Failure in Distribution Region
Mar 2009
Protection and restoration mechanisms have been applied in backbone networks, but access networks are not considered significantly in the scope of survivability. In this paper, the paper proposes...
Provided by Universiti Kebangsaan Malaysia
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White Papers
A Novel Scheduling Algorithm for Optical Burst Switched Networks
Dec 2009
Optical Burst Switching (OBS) is an emerging technology that allows variable size data bursts to be transported directly over DWDM links. In order to make OBS a viable solution, the wavelength...
Provided by Thapar University
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White Papers
Service Restoration in Switched Ethernet Networks
Jan 2009
Recovery from a network failure has two primary components: detection and restoration. Before recovery can be effected, the failure has to be detected. Sometimes this is easy such as when a fiber...
Provided by BTI Systems
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White Papers
Non-Uniform Waveband Switching in Multi-Granular Optical Networks
Oct 2009
WaveBand Switching (WBS) has recently attracted attention from a wide range of industry and academia groups for its practical and hierarchial concepts in handling massive lightpaths with reduced...
Provided by Georgia State University
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White Papers
Broadband Hitless Silicon Electro-Optic Switch for On-Chip Optical Networks
Dec 2009
This paper report on the demonstration of a broadband (60 GHz), spectrally hitless, compact (20 µm x 40 µm), fast (7 ns) electro-optical switch. The device is composed of two coupled resonant...
Provided by Optical Society of America
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White Papers
Field-Modulated Packet Forwarding Chips for Label-Switched Optical Routing
Dec 2009
Wavelength Division Multiplexing (WDM) has become the enabling technology for utilizing the available Bandwidth (BW) in fiber optic links. However, as BW usage increases, the capacity of the...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On Average Consensus Over Stochastically Switching Directed Topologies
Mar 2010
Average consensus is a canonical problem in wireless sensor networks. Wireless communication channels exhibit stochastic data loss due to multiple reasons including fading and interference. This...
Provided by University of Notre Dame (Mendoza)
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White Papers
Single Port Optical Switching in Integrated Ring Resonators
Apr 2009
Semiconductor ring lasers (SRLs) are attractive components for all-optical signal processing. They typically lase bidirectional at low drive current and unidirectional at high current due to gain...
Provided by Optical Society of America
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White Papers
Markov Switching Dirichlet Process Mixture Regression
Nov 2009
Markov switching models can be used to study heterogeneous populations that are observed over time. This paper explores modeling the group characteristics nonparametrically, under both homogeneous...
Provided by International Society for Bayesian Analysis
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White Papers
Experimental Demonstration of Optical Switching and Routing Via Four-Wave Mixing Spatial Shift
Jan 2010
The paper demonstrates the shift characteristics of Four-Wave Mixing (FWM) beam spots which are controlled by the strong laser fields via the large cross-Kerr nonlinearity. The shift distances and...
Provided by Optical Society of America
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Webcasts
TechNet Webcast: Scaling Out Forefront Unified Access Gateway (Level 200)
Apr 2010
Deploying more than what's in the box is a typical requirement for enterprise IT organizations. The attendee will learn how to scale out deployments with Microsoft Forefront Unified Access Gateway...
Provided by Microsoft
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Whitepapers
On the Energy Efficiency of Optical Transport With Time Driven Switching
Apr 2011
Reducing the Internet power consumption will become a challenging issue, since the Internet is expected to face a high growth in terms of traffic requirements. Simply scaling the network...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
VPN Solutions and Network Monitoring to Support Virtual Teams Work in Virtual Enterprises
Jan 2011
In order to be competitive enterprises continuously implement ICT strategies & architectures to improve manufacture, research, products quality, sales, services and costs control. All large...
Provided by Polytechnic University of Bucharest
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Whitepapers
Pre-reservation of Resources and Controlled Loops for Contention Resolution in OBS Networks
Oct 2007
A new scheme to alleviate contention in optical burst switching networks is proposed. It consists of preventively reserving resources in a node, to be used if resources are busy on the next hop...
Provided by Electronics and Telecommunication Research Institute
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Whitepapers
Performance Evaluation of Ethernet Frame Burst Mode in EPON Downstream Link
Apr 2008
The authors apply IEEE 802.3 Frame Burst Mode (FBM) to the Ethernet Passive Optical Network (EPON) downstream link and compare its performance with non-frame burst mode for various traffic...
Provided by Electronics and Telecommunication Research Institute
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Whitepapers
Effects of Upstream Bit Rate on a Wavelength-Remodulated WDM-PON Based on Manchester or Inverse-Return-to-Zero Coding
Apr 2008
The authors compare the performance of a wavelength remodulated wavelength-division-multiplexed passive optical network implemented using Manchester-coded or Inverse-Return-to-Zero (IRZ)-coded...
Provided by Electronics and Telecommunication Research Institute
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Whitepapers
Layer-2 Routing Analytic Model by Linear Programming
Feb 2008
Carrier Ethernet integrates distributed layer-2 bridge networks to a backbone network. Since carrier Ethernets use simple layer-2 routing, its performance is lower than that of layer-3 routing...
Provided by Soongsil University
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Whitepapers
KT's Deployment With Fiber to the Home
Feb 2008
The competition between Telcos and cable TV operators becomes intense for the broadband Internet service market in Korea. Also, IPTV service is becoming a hot issue these days since it is recently...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
TRE+: Extended Tree-Based Routing Ethernet
Feb 2010
Tree-based Routing Ethernet (TRE) is a recent Ethernet architecture that enables shortcut links to improve performance compared to spanning tree protocols. However, TRE can only use shortcuts that...
Provided by Electronics and Telecommunication Research Institute
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Case Studies
Riverbed Steelhead Appliances Improve Application Performance and Employee Productivity for Manufacturing Company
Apr 2011
Perma-Pipe ME is a wholly owned subsidiary of Perma-Pipe Inc. After consolidating key applications to its data center, Perma-Pipe ME found that employees based at its branch offices were unable to...
Provided by Riverbed
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Case Studies
Liz Claiborne: Riverbed Steelhead Appliances Deployed by a Global Retailer to Improve Employee Productivity, Centralize Applications, and Ease WAN-Based Backup
Dec 2011
Liz Claiborne Inc. designs and markets an extensive range of branded women's and men's apparel, accessories and fragrance products. Currently in a period of fast growth, Liz Claiborne wanted to...
Provided by Riverbed Technology
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Case Studies
Khaleej Times: Riverbed Technology Helps Newspaper Improve Application Performance Speeds, Increase Employee Productivity, and Make Significant Cost Savings
Feb 2012
The Khaleej Times is currently the highest-circulated English-language newspaper. Employees at the Khaleej Times Abu Dhabi office were experiencing difficulties in accessing key business...
Provided by Riverbed Technology
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Case Studies
JEO Consulting Group, Inc: Consulting Firm Improves Performance Over the WAN for Branch Offices and Mobile Workers
Dec 2010
JEO Consulting Group, Inc. has been focused on delivering viable engineering solutions to customers across the Midwest. They was looking for a solution that would allow their distributed workforce...
Provided by Riverbed Technology
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Case Studies
Hydro-Québec: Concurrent Engineering is Possible Over a WAN, With Riverbed
Mar 2011
Hydro-Québec wanted to practice concurrent engineering but wasn't able to make it work due to the long distances between its headquarters and partners' offices throughout the province. The...
Provided by Riverbed Technology
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Case Studies
Career Education Corp: WAN Optimization Enables Server Centralization, Ensuring Student and Faculty Satisfaction With the Company's Network
Mar 2012
Career Education Corporation (CEC) offers doctoral, master's, bachelor's and associate degrees as well as diploma and certificate programs. CEC's IT team wanted to centralize certain applications...
Provided by Riverbed Technology
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Case Studies
Al Abbar: Riverbed Helped Al Abbar Improve Application Speeds Over the WAN Up to 30 Times
Mar 2011
Al Abbar Group is a multi-national company with offices in the UAE, India and the Philippines. Slow-running applications over the company WAN meant that employees in Al Abbar Group's branch...
Provided by Riverbed Technology
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Case Studies
Aguirre Newman
Mar 2011
Aguirre Newman is Spain's leading real estate consultancy group, and operates in seven business areas including, investment, architecture, property management and corporate finance. Aguirre Newman...
Provided by Riverbed Technology
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Case Studies
BAM Civiel: Providing Construction Sites LAN-Like Performance
Jun 2009
BAM Civiel is a division of the BAM Group, which ranks among the top 10 of European construction companies and has a turnover of approximately 8.5 billion euros. BAM Civiel is the Dutch subsidiary...
Provided by Riverbed Technology
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Case Studies
Aurecon
Jun 2011
Aurecon provides engineering, management and specialist technical services for government and private sector clients globally. Aurecon's employees rely on the company's WAN for file sharing and...
Provided by Riverbed Technology
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Case Studies
Riverbed Steelhead Appliances Lift NAVTEQ's WAN to Higher Level
Jun 2009
NAVTEQ is a provider of comprehensive digital map data for car navigation systems, mobile navigation solutions, and business solutions. NAVTEQ continues to expand it estimates that the number of...
Provided by Riverbed Technology
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Whitepapers
High-Frequency Modeling and Optimization of E/O Response and Reflection Characteristics of 40 Gb/s EML Module for Optical Transmitters
Jun 2012
A complete high-frequency small-signal circuit model of a 40 Gb/s butterfly electro-absorption modulator integrated laser module is presented for the first time to analyze and optimize its...
Provided by Electronics and Telecommunication Research Institute
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Whitepapers
An Evaluation of Weak State Mechanism for Large-Scale Dynamic Networks
Mar 2012
Forwarding decisions in routing protocols rely on information about the destination nodes provided by routing table states. When paths to a destination change, corresponding states become invalid...
Provided by International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
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Whitepapers
Optimization of Optical Communication Window Mesh Through Full-Wave Analysis of Periodic Mesh
Jun 2008
In order to develop an optical communication window mesh with good optical transmittance and shielding effectiveness at the same time, models were established for the shielding effectiveness and...
Provided by Reed Elsevier
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Whitepapers
Nonlinear Loop Mirror-Based All-Optical Signal Processing in Fiber-Optic Communications
Mar 2008
All-optical data processing is expected to play a major role in future optical communications. The fiber Nonlinear Optical Loop Mirror (NOLM) is a valuable tool in optical signal processing...
Provided by Reed Elsevier
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Whitepapers
Performance of Alternate-Block-Inversion Modulation Format in Optical Communication Systems With No Dispersion Compensation
Jul 2008
Phase-Shaped Binary Transmission (PSBT) is known to be an attractive modulation format in system with no inline dispersion compensation because of its resilience to chromatic dispersion. The...
Provided by Reed Elsevier
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Whitepapers
Experimental Evaluation of the Backup Sharing Aggressiveness for Dynamic Shared Path Protection in GMPLS Transparent Optical Networks
Jun 2008
This paper focuses on the problem of dynamic and distributed shared path protection in GMPLS-enabled all optical networks without wavelength conversion capability. Thus, both working and backup...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
GMPLS-Based Multidomain Restoration: Analysis, Strategies, Policies and Experimental Assessment
Jun 2010
A connection spanning, for example, several countries crosses multiple optical backbone networks, each one controlled by different administrators or operators. In this context, the interworking of...
Provided by Optical Society of America
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Whitepapers
Static Versus Dynamic Virtual Network Topology Configuration Within GMPLS-Enabled Connection-Oriented Ethernet Over WSON
Aug 2010
In this paper, the authors focus on three approaches for VNT configuration within CO Ethernet over a WSON network controlled by a GMPLS control plane: static, semi-dynamic and dynamic. They...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
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Whitepapers
Lab Trial of Multi-Domain Path Computation in GMPLS Controlled WSON Using a Hierarchical PCE
Oct 2010
The authors report the design, implementation and lab-trial of an H-PCE for multi-domain path computation in GMPLS networks and the required PCEP protocol extensions. They quantitatively show the...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
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White Papers
Field and Lab Trials of PCE-Based OSNR-Aware Dynamic Restoration in Multi-Domain GMPLS-Enabled Translucent WSON
Dec 2011
Dynamic lightpath restoration is a key issue in Wavelength Switched Optical Networks (WSON). On the other hand, the introduction of the Path Computation Element (PCE) and the Generalized...
Provided by Optical Society of America
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White Papers
A Study on the Assessment of Load Balancing Algorithms in Grid Based Network
Mar 2012
Grid computing comprises of distributed computer systems which are geographically dispersed to share the combination of resources in a heterogeneous environment. The ever varying and increasing...
Provided by International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
New Optical Splitter Design for Application in Fibre-to-the Home Passive Optical Network using Virtual Lab Platform
Mar 2012
In this study, authors present a new design of optical splitter to be applied in FTTH-PON named Multi Ratio Optical Splitter (MROS). MROS was introduced to enhance the power distribution in the...
Provided by Science Publications
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White Papers
Adaptive Load Balanced Routing for 2-Dilated Flattened Butterfly Switching Network
Jul 2011
High-radix networks such as folded-Clos outperform other low radix networks in terms of cost and latency. The 2-Dilated Flattened Butterfly (2DFB) network is a non-blocking high-radix network with...
Provided by IARIA
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White Papers
A Proposal of Dynamic RWA Using Ant Colony in Optical Burst Switched Networks
Feb 2012
One of the main problems in optical networks concerns routing and wavelength assignment for establishing optical circuits. Burst switching is a viable alternative to overcome the problem of idle...
Provided by IARIA
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White Papers
PhoenixSim: A Simulator for Physical-Layer Analysis of Chip-Scale Photonic Interconnection Networks
Mar 2010
Recent developments have shown the possibility of leveraging silicon nanophotonic technologies for chip-scale interconnection fabrics that deliver high bandwidth and power efficient communications...
Provided by Economic Development Association of Alabama
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White Papers
Very Large Scale Optical Interconnect Systems For Different Types of Optical Interconnection Networks
Apr 2012
The need for scalable systems in market demands in terms of lower computing costs and protection of customer investment in computing: scaling up the system to quickly meet business growth is...
Provided by mecs-press
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White Papers
Architecture, Control, and Management of Optical Switching Networks
Aug 2007
The authors present Dynamic Circuit Switching (DCS) as a new paradigm for telecom backbone networks. DCS is well suited for optical networks and can support emerging services such as...
Provided by University of California
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White Papers
Comparison of 4 Multi-User Passive Network Topologies for 3 Different Quantum Key Distribution
Aug 2010
The purpose of this paper is to compare the performance of four passive optical network topologies in implementing multi-user quantum key distribution, using 3 protocols proposed by quantum...
Provided by Scientific Research Publishing
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White Papers
Layer-Wise Topology Design for Cost Effective IP-Optical Networks
Feb 2012
Traffic engineering and topology design considering multilayer configuration have become more important. While multilayer design studies usually discuss the traffic engineering issue or...
Provided by Scientific Research Publishing
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White Papers
A Methodology for Physical Interconnection Decisions of Next Generation Transport Networks
Oct 2011
The physical interconnection for optical transport networks has critical relevance in the overall network performance and deployment costs. As telecommunication services and technologies evolve,...
Provided by World Scientific Publishing
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White Papers
Four steps to high-performance WAN and Internet
May 2012
Congestion, latency, protocol design, sudden bursts of disruptive traffic: these issues cause problems with application and network performance on the WAN and Internet links. Plus, new factors...
Provided by Blue Coat Systems
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White Papers
Building the Next-Generation Packet-Optical Switching Network
Sep 2009
Network operators in all regions of the world face a fundamental dilemma. On the one hand, global IP traffic continues to grow rapidly while the mix shifts to more and more multimedia and...
Provided by Ciena
-
White Papers
Unifying Packet and Circuit Switched Networks
Sep 2009
There have been many attempts to unify the control and management of circuit and packet switched networks, but none have taken hold. This paper proposes a simple way to unify both types of network...
Provided by Stanford University
-
White Papers
On Avoiding-Minimizing Burst Collisions in Optical Burst-Switched Networks Without Wavelength Conversion
Jun 2009
In this paper, a new MAC protocol for OBS networks is introduced, described and evaluated. Into operation, DAOBS avoids burst collisions in the core of the network by controlling the way OBS nodes...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Hybrid Packet-Circuit Switched On-Chip Network Based on SDM
Apr 2009
This paper proposes a novel on-chip communication scheme by dividing the resources of a traditional packet-switched network-on-chip between a packet-switched and a circuit-switched sub-network....
Provided by Economic Development Association of Alabama
-
White Papers
Implementing Open Access on NGA Networks Using Optical Switching
Feb 2009
Next Generation Access (NGA) is seen by many as the key to the ongoing development, both socially and economically, of the global economy. Governments have cited the importance of high speed...
Provided by Calient Networks
-
White Papers
Protection Switching Against Failure in Distribution Region
Mar 2009
Protection and restoration mechanisms have been applied in backbone networks, but access networks are not considered significantly in the scope of survivability. In this paper, the paper proposes...
Provided by Universiti Kebangsaan Malaysia
-
White Papers
A Novel Scheduling Algorithm for Optical Burst Switched Networks
Dec 2009
Optical Burst Switching (OBS) is an emerging technology that allows variable size data bursts to be transported directly over DWDM links. In order to make OBS a viable solution, the wavelength...
Provided by Thapar University
-
White Papers
Service Restoration in Switched Ethernet Networks
Jan 2009
Recovery from a network failure has two primary components: detection and restoration. Before recovery can be effected, the failure has to be detected. Sometimes this is easy such as when a fiber...
Provided by BTI Systems
-
White Papers
Non-Uniform Waveband Switching in Multi-Granular Optical Networks
Oct 2009
WaveBand Switching (WBS) has recently attracted attention from a wide range of industry and academia groups for its practical and hierarchial concepts in handling massive lightpaths with reduced...
Provided by Georgia State University
-
White Papers
Broadband Hitless Silicon Electro-Optic Switch for On-Chip Optical Networks
Dec 2009
This paper report on the demonstration of a broadband (60 GHz), spectrally hitless, compact (20 µm x 40 µm), fast (7 ns) electro-optical switch. The device is composed of two coupled resonant...
Provided by Optical Society of America
-
White Papers
Field-Modulated Packet Forwarding Chips for Label-Switched Optical Routing
Dec 2009
Wavelength Division Multiplexing (WDM) has become the enabling technology for utilizing the available Bandwidth (BW) in fiber optic links. However, as BW usage increases, the capacity of the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
On Average Consensus Over Stochastically Switching Directed Topologies
Mar 2010
Average consensus is a canonical problem in wireless sensor networks. Wireless communication channels exhibit stochastic data loss due to multiple reasons including fading and interference. This...
Provided by University of Notre Dame (Mendoza)
-
White Papers
Single Port Optical Switching in Integrated Ring Resonators
Apr 2009
Semiconductor ring lasers (SRLs) are attractive components for all-optical signal processing. They typically lase bidirectional at low drive current and unidirectional at high current due to gain...
Provided by Optical Society of America
-
White Papers
Markov Switching Dirichlet Process Mixture Regression
Nov 2009
Markov switching models can be used to study heterogeneous populations that are observed over time. This paper explores modeling the group characteristics nonparametrically, under both homogeneous...
Provided by International Society for Bayesian Analysis
-
White Papers
Experimental Demonstration of Optical Switching and Routing Via Four-Wave Mixing Spatial Shift
Jan 2010
The paper demonstrates the shift characteristics of Four-Wave Mixing (FWM) beam spots which are controlled by the strong laser fields via the large cross-Kerr nonlinearity. The shift distances and...
Provided by Optical Society of America
-
Webcasts
TechNet Webcast: Scaling Out Forefront Unified Access Gateway (Level 200)
Apr 2010
Deploying more than what's in the box is a typical requirement for enterprise IT organizations. The attendee will learn how to scale out deployments with Microsoft Forefront Unified Access Gateway...
Provided by Microsoft
-
White Papers
Energy Metering for Free: Augmenting Switching Regulators for Real-Time Monitoring
Feb 2008
This paper presents iCount, a new energy meter design. For many systems that have a built-in switching regulator, adding a single wire between the regulator and the microcontroller enables...
Provided by Massachusetts Institute of Technology
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White Papers
Analysis and Design of All-Optical Switching in Apodized and Chirped Bragg Gratings
Jun 2008
In this paper, effects of the different apodization and chirp functions in one-dimensional nonlinear Bragg grating on switching characteristics are studied. It is shown that with increasing the...
Provided by Amirkabir University of Technology
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Webcasts
Business Enablement in a Down Economy Through Secure Remote Access
Jan 2010
The presenter will discuss how Secure Remote Access technologies can empower businesses during these turbulent economic times. This webcast will cover how to keep employees, clients, partners, and...
Provided by Check Point Software Technologies
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Webcasts
Securing Your Remote Workforce During H1N1 Pandemic
Dec 2009
The attendee will learn about the H1N1 pandemic, the top 3 things to focus on, the features of a successfully work from home program, and the security solutions needed to ensure business...
Provided by Check Point Software Technologies
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Webcasts
IR Tech Talk: Changing the Future of Networking
Mar 2010
The webcast will introduce an innovation that will forever change the Internet and its impact on consumers, businesses and governments and will help service providers prepare to deliver this...
Provided by Cisco Systems
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White Papers
Fibre Channel Over Ethernet - A Practical Alternative
Jun 2009
Based on comprehensive testing performed by Cisco and NetApp, this white paper explores whether Fibre Channel over Ethernet (FCoE) is a viable and practical alternative to current Storage Area...
Provided by Cisco Systems
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Case Studies
The Largest Greek Air Carrier Benefits From Remote Network Access
May 2010
Aegean Airlines S.A. is the largest Greek air-carrier in terms of passengers, destinations and fleet with one of the youngest fleets in Europe. With the addition of new destinations, the carrier...
Provided by Microsoft
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Case Studies
OpenAdvice IT Services Provides Consolidated, Service-Centric Performance Monitoring for Kabel Deutschland GmbH
Jun 2008
KDG wanted to be able to continuously see the breadth of their entire network as well as drill down into specific parts of their network to quickly determine sources of bottlenecks as well as...
Provided by IBM
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White Papers
Future of Road Network Management and the Role of Intelligent Transport Systems
Oct 2008
This paper argues the case for a better integrated approach to transport management, particularly real time road network management. The case is derived both from the need for such an approach to...
Provided by Imperial College London
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White Papers
User Oriented Virtual Network Management Based on dvNOC Environment
Oct 2008
Distributed Virtual Network Operations Center (dvNOC) presents virtualized network management framework on hybrid research networks for both network operators and endusers (e.g. researchers) to...
Provided by Korea Institute of Science and Technology Information (KISTI)
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White Papers
Cyber Evaluation Factors for Full Dimensional Network Management and Control
Jan 2009
Information Technology (IT) systems, particularly those involving network services, are inherently complex and must meet critical mission availability, security, and performance requirements....
Provided by Northrop Grumman
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White Papers
iNagMon - Network Monitoring on the iPhone
Jun 2009
Nagios is a popular network monitoring tool that can be used to monitor network services as well as data like processor load due to an snmp interface. The visualization of status and alert...
Provided by University of Federal Armed Forces Munich
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White Papers
Environmental Hazards to Peak Performance: Why Network Monitoring Is so Important for System i Managers
Apr 2008
A professional athlete has many considerations in ensuring their personal best. The food they eat, the way they physically train and mentally prepare, as well as their strategy and technique, all...
Provided by CCSS (Europe)
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White Papers
A Network Optimization Solution Using SAS/OR Tools for the Department of the Army Branching Problem
Mar 2010
This paper will demonstrate the use of SAS and SAS/OR to solve a long standing Army problem of assigning ROTC cadets to their initial basic branch (Infantry, Armor, etc). The paper starts with a...
Provided by SAS Institute
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Webcasts
From the Source: Increasing Agility With Remote Desktop Services
Apr 2010
The presenter of this webcast discusses how Windows Server 2008 R2 Remote Desktop Services (RDS) introduced support for low complexity VDI deployments, on top of the existing virtualization...
Provided by Microsoft
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Webcasts
From the Source: Increasing Agility With VDI
Mar 2010
The presenter talks about how Microsoft Virtual Desktop Infrastructure (VDI) provides integrated management of physical, virtual, and session based desktops, centralization of user data, and...
Provided by Microsoft
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Webcasts
From the Source: Increasing Agility With RDS and VDI (Overview)
Mar 2010
The presenter talks about how Virtual Desktop Infrastructure (VDI) and Windows Server 2008 R2 Remote Desktop Services (RDS) technologies play key roles in the Desktop Virtualization space. The...
Provided by Microsoft
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White Papers
The ABC's of Motorola's Passive Optical LAN Solution: How Educational Institutions Can Leverage Passive Optical LAN for a Cost-Effective, Green, Converged Network to Support Current and Future Education Needs
Mar 2010
As students and faculty have developed an insatiable appetite for bandwidth, IT professionals and educational institutions are scrambling to bolster their traditional IT infrastructure to handle...
Provided by Motorola
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White Papers
Using the Paessler PRTG Traffic Grapher in a Cisco Wide Area Application Services Proof of Concept
Feb 2010
Understanding bandwidth traffic and resource consumption is vital to enhanced and proactive network management. The ability to accurately demonstrate WAN optimization is essential to a successful...
Provided by Cisco Systems
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White Papers
Solace Message Routers and Cisco Ethernet Switches: Unified Infrastructure for Financial Services Middleware
Feb 2010
The goal of zero latency in financial services has caused the creation of entirely new industries, products, and career paths as well as volumes of data, analysis, and opinion. The degree to which...
Provided by Cisco Systems
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White Papers
Cisco Catalyst 6500 VSS and Cisco Nexus 7000 VPC Interoperability and Best Practices
Mar 2010
In the traditional port channel model, link aggregation was only possible to a single device. MEC and vPC are two new port channel concepts that extend link aggregation across two physical...
Provided by Cisco Systems
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White Papers
Cisco StackPower: Efficient Use of Power
Mar 2010
The benefits of the Cisco StackPower technology are immediately tangible, and so are the savings. Consider a stack of switches with each switch requiring a slightly higher power budget for some...
Provided by Cisco Systems
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White Papers
Next-Generation Managed Services: A Window of Opportunity for Service Providers
Jul 2009
Next-generation managed services provide SPs a platform on which to expand their business models to include higher-order services that achieve greater margins and realize business goals. Industry...
Provided by Cisco Systems
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Whitepapers
EMC Celerra Replicator V2 With Silver Peak WAN Optimization
Mar 2010
Point-in-time asynchronous replication is a common disaster recovery solution for data centers that have remote secondary sites located at varying distances from each other. EMC Celerra Replicator...
Provided by EMC
