- Subscribe to this page:
- RSS
- Email Alert
switching
(3239 results)-
White Papers
Rationality and Traffic Attraction: Incentives for Honest Path Announcements in BGP
Jul 2009
Inter-domain routing on the Internet consists of a control plane, where Autonomous Systems (ASes) discover and establish paths, and a data plane, where they actually forward packets along these...
Provided by Association for Computing Machinery
-
White Papers
Spectrum Mobility Games
Jan 2012
Cognitive radio gives users the ability to switch channels and make use of dynamic spectrum opportunities. However, switching channels takes time, and may affect the quality of a user's...
Provided by Chinese University of Hong Kong
-
White Papers
Address-Based Route Reflection
Dec 2011
BGP Route Reflectors (RR), which are commonly used to help scale Internal BGP (iBGP), can produce oscillations, forwarding loops, and path inefficiencies. ISPs avoid these pitfalls through careful...
Provided by Association for Computing Machinery
-
White Papers
The Green-Game: Striking a Balance Between QoS and Energy Saving
Jan 2011
The energy consumed by communication networks can be reduced in several ways. A promising technique consists in concentrating the workload of an infrastructure on a reduced set of devices, while...
Provided by Institut Telecom
-
White Papers
GRiDA: A Green Distributed Algorithm for Backbone Networks
Nov 2010
In this paper, the authors face the problem of reducing the power consumption of Internet backbone networks. They propose a novel algorithm, called GRiDA, to selectively switch off links in an...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Energy-Aware Routing: A Reality Check
Nov 2010
In this paper, the authors analyze the design of green routing algorithms and evaluate the achievable energy savings that such mechanisms could allow in several realistic network scenarios. They...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Dynamic Transmission Capacity Control Schemes for Power Saving Using a Mixture of the History and the Latest Information
Nov 2010
Power saving technology for the Internet has become a vital issue because of the growing energy consumption, caused by the increasing traffic demand. Thus, the authors have proposed a scheme to...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Router Primitive Approach for Building Diverse Network Services
Jan 2012
The vantage points of routers along end-to-end paths in the Internet have long made them a compelling target for additional functionality. In this paper, the authors describe a new method for...
Provided by COLGATE UNIVERSITY
-
White Papers
On the Prevalence and Characteristics of MPLS Deployments in the Open Internet
Nov 2011
Multi-Protocol Label Switching (MPLS) is a mechanism that enables service providers to specify virtual paths through IP networks. The use of MPLS in the open Internet (i.e., public end-to-end...
Provided by Association for Computing Machinery
-
White Papers
Evaluation of Signaling Schemes Under Multi-Region Survivable Network by Agent Negotiations
Nov 2009
A reconfigurable protection is extended in ASON survivability testbed SURBED, the performance and extra overhead are presented and also compared with several survivability techniques (1+1, shared...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
High-Performance Multicasting Schemes in Optical Packet Switched Networks
Nov 2009
Current trends in communications indicate that multicasting is becoming increasingly popular and important in networking applications. Since multicasting can be supported more efficiently in...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
An Effective Routing Strategy Through Impairment-Aware RWA in Transparent Optical Network
Nov 2009
In this paper, a dynamic impairment-aware Routing and Wavelength Assignment (RWA) algorithm is proposed to efficiently provide signal-quality-guaranteed connections and achieve lower blocking...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Novel Multi-Granularity Optical Switching Node With Wavelength Management Pool Resources
Nov 2009
A novel multi-granularity optical switching node with wavelength management poll resource is presented, which is much more cost effective and multifunctional than the conventional architectures....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Novel Highly Reliable WDM-PON System
Nov 2009
The authors propose and experimentally investigate a highly reliable WDM-PON system. The proposed system adopts the colorless solution. It can detect the failure of the feeder fiber by the polling...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
LEDBAT: The New BitTorrent Congestion Control Protocol
Feb 2010
A few months ago, BitTorrent developers announced that the transfer of torrent data in the official client was about to switch to a new application-layer congestion-control protocol using UDP at...
Provided by Telecom ParisTech
-
White Papers
A Hands-On Assessment of Transport Protocols With Lower Than Best Effort Priority
Apr 2010
Last year, the official BitTorrent client switched to LEDBAT, a new congestion control algorithm targeting a lower-than Best Effort transport service. In this paper, the authors study this new...
Provided by Telecom ParisTech
-
White Papers
News From the Internet Congestion Control World
Aug 2009
A few months ago, the BitTorrent developers announced that the transfer of torrent data in the official client was about to switch to uTP, an application-layer congestion-control protocol using...
Provided by Telecom ParisTech
-
White Papers
Soft-Handoff in WLAN Realized by Dual Link
Apr 2011
WLAN has been widely deployed in many aspects such as city hotspots and video surveillance system. When the mobile station roams in WLAN, it will switch among different Access Points (AP). This...
Provided by Academy Publisher
-
Case Studies
Airport's Common Use Model Relies on Modular Switches
Jun 2008
The extraordinary vision of the Greater Toronto Airports Authority (GTAA) has transformed Toronto Pearson International Airport into one of the most technologically advanced airports in the world....
Provided by Cisco Systems
-
White Papers
All-Optical 2x2 Switch by Exploiting Optical Nonlinearities in a Single Semiconductor Optical Amplifier
Dec 2009
A 2x2 cross/bar optically-driven switch is implemented with a single semiconductor optical amplifier. The switch exploits nonlinear polarization rotation experienced by two input signals in the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
All-Optical Grooming for 100 Gbit/s Ethernet
Dec 2009
A regenerative optical grooming switch for interconnecting 100 Gbit/s networks with lower bit-rate networks and switching functionality in time, space and wavelength domain is demonstrated. Lab...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Compact Routing in Power-Law Graphs
Jul 2009
Message routing is a fundamental service in communication networks. When routing a message from a source to a destination in the network, to decide where to forward the message to, a node may only...
Provided by University of Tokyo
-
Case Studies
Oil and Gas Facilities Company Enhances Business Operations Through Resilient Data Network
Oct 2008
Petrofac wanted to enhance business productivity by implementing a state-of-the-art, highly resilient network and data centre in Petrofac's brand new HeadQuarters (HQ) building. Petrofac deployed...
Provided by Nortel Networks
-
Case Studies
The Motorcity Casino-Hotel Deals a Winning Hand With Its State-of-the-Industry Communications Services
Nov 2007
To bring visitors to a rejuvenated downtown Detroit by offering an unrivaled luxury experience throughout this first-class hotel and casino. MotorCity management recognized that it would need an...
Provided by Nortel Networks
-
White Papers
Q-Switched Yb-Doped Microstructure Fiber Laser Using Gaas as Saturable Absorber
Dec 2009
A passive Q-switched Yb-doped Microstructure Fiber (MF) laser is demonstrated using a GaAs wafer as the saturable absorber. A high Ytterbium-doped fiber with a core diameter of 21 μm and a...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Performance Evaluation of Scalable Live Video Streaming With Nano Data Centers
Oct 2008
To improve the efficiency and the quality of a service, a network operator may consider deploying a peer-to-peer architecture among controlled peers, also called here nano data centers, which...
Provided by Reed Elsevier
-
White Papers
The Research of TRIP Protocol Based on Soft-switching Technology
Dec 2010
This paper makes a comparison through the TRIP agreement in different soft switching network, the authors find that the TRIP protocol in the improved network performs better than the old, and the...
Provided by Academy Publisher
-
White Papers
The L2-LInfinite Control for Leader-following Coordination With Switching Topology and Time-delay
Dec 2010
Recent years have witnessed a growing interest in the study of consensus problems for multi-agent systems. Because there are many applications of multi-agent systems in many areas such as...
Provided by Academy Publisher
-
White Papers
A Scalable Model for the Performance Evaluation of ROADMs With Generic Switching Capabilities
Oct 2010
In order to evaluate the performance of Reconfigurable Optical Add/Drop Multiplexers (ROADMs) consisting of a single large switch, in circuit switched Wavelength-Division Multiplexing (WDM)...
Provided by Academy Publisher
-
White Papers
Parallel Probing: Dynamic and Constant Time Setup Procedure in Circuit Switching NoC
Dec 2011
The authors propose a circuit switching Network-on-chip with a parallel probe searching setup method, which can search the entire network in constant time, only dependent on the network size but...
Provided by KTH Royal Institute of Technology
-
White Papers
An Analytical Latency Model for Networks-on-Chip
Dec 2011
The authors propose an analytical model based on queueing theory for delay analysis in a wormhole-switched Network-on-Chip (NoC). The proposed model takes as input an application communication...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New All-Optical Switching Node Including Virtual Memory and Synchronizer
Feb 2010
This paper presents an architecture for an all optical switching node. The architecture is suitable for optical packet and optical burst switching and provides appropriate contention resolution...
Provided by Academy Publisher
-
White Papers
ERONs: Dynamic Lightpath Networking Via Overlay Control of Static Optical Connections
Jan 2009
To bridge the gap between the current practice of setting up expensive, dedicated, lightpath connections (i.e., static topologies), and the distant future vision of inexpensive access to...
Provided by North Carolina State University
-
White Papers
Lightpath Bundling and Anycast Switching (LB+AS): A New Paradigm for Multilayer Optical Networks
Jan 2012
In IP over WDM multilayer optical networks, IP routers are interconnected by all-optical channels called lightpaths, of typical rates of 10, 40 or, more recently, 100 Gbps. In this context,...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
Dimensioning the Add/drop Contention Factor of Directionless ROADMs
Apr 2011
Reconfigurable Optical Add/Drop Multiplexers (ROADM) are the optical switching equipment of transparent optical networks. Directionless ROADMs permit the network carriers to change the direction...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
On the Myths of Optical Burst Switching
May 2011
This paper discusses merits and drawbacks of the Optical Burst Switching (OBS) paradigm, which received so much attention by the academic research community. Since the topic is hot, and given the...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
A Parallel Iterative Scheduler for Asynchronous Optical Packet Switching Networks
Nov 2010
This paper presents PI-OPS (Parallel-Iterative Optical Packet Scheduler) a parallel-iterative scheduler for asynchronous Optical Packet Switching nodes with optical buffering. Optical packets are...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
Parallel Desynchronized Block Matching: A Feasible Scheduling Algorithm for the Input-Buffered Wavelength-Routed Switch
Nov 2009
The Input-Buffered Wavelength-Routed (IBWR) switch is a promising switching architecture for slotted Optical Packet Switching (OPS) networks. The benefits of the IBWR fabric are a better...
Provided by Polytechnic University of Cartagena
-
White Papers
Round-Robin Wavelength Assignment: A New Packet Sequence Criterion in Optical Packet Switching SCWP Networks
Nov 2009
The WASPNET project proposed a packet sequence criterion to preserve end-to-end packet order in Optical Packet Switching (OPS) networks controlled by the SCattered Wavelength Path (SCWP)...
Provided by Polytechnic University
-
White Papers
Introducing Optical Switching in High-Capacity Commercial Routers
Apr 2011
High-performance packet switches are costly, bulky and power-hungry. Their scalability is constrained by the limits of electronic technology at high binary rates. In this paper, the authors study...
Provided by UNIVERSITY OF CARTAGENA
-
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
-
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
-
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
-
White Papers
Multi-Mode Message Passing Switch Networks Applied for QC-LDPC Decoder
Jun 2008
The multi-mode message passing switch networks for multi-standard QC-LDPC decoder are presented. An enhanced self-routing switch network with only one barrel shifter permutation structure and a...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Radio Access Network Traffic Generation for Mobile Switching Center
Dec 2009
One of the challenges faced by telecom companies is to provide robust and powerful servers that are capable to handle the great increase of the number of subscribers and to accomplish the heavy...
Provided by Institute of Electrical and Electronics Engineers
-
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
-
White Papers
Vehicular Wireless Burst Switching Network: Enhancing Rural Connectivity
Mar 2008
This paper introduces a network architecture called Vehicular Wireless Burst Switching (VWBS). The main objective of this architecture is to provide lowcost connectivity solution for isolated and...
Provided by University of Texas
-
White Papers
Haste: Practical Online Network Coding in a Multicast Switch
Dec 2009
The use of network coding has been shown to improve throughput in input-queued multicast switches, but not without costs of computational complexity and delays. This paper investigates the design...
Provided by University of Toronto
-
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
-
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
-
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
-
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
-
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
-
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
-
White Papers
Blocking Probabilities in WDM Switching Networks Using Overflow Analysis Method
Nov 2008
Wavelength Division Multiplexed switching networks are considered as an important candidate for the future transport networks. As the size of network increases conventional methods used in...
Provided by Bahria University
-
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
-
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
-
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)
-
White Papers
How to Put MPLS to Work: Linking Branch Offices Securely, Privately
Apr 2010
Spend 3 minutes with this easy-to-understand demo and learn how to link remote/branch offices or extranet business partners with secure, private converged connections. This multi-protocol label...
Provided by Megapath
-
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
-
Case Studies
Sun Microsystems Delivers Storage and Service Solution for German Automobile Conglomerate
Jan 2010
Founded in Munich, Germany, in 1916, BMW Group manufactures automobiles, motorcycles, and engines. The challenge was to update existing storage infrastructure enterprise-wide and incorporate...
Provided by Sun Microsystems
-
Case Studies
Improved Connectivity Helps Local Council Enhance Public Services
Jul 2008
Santiago de Compostela City Council wanted to increase the speed and availability of key applications and services, drive employee productivity and enhance interactions with local people. A new...
Provided by Nortel Networks
-
Case Studies
Rmit University Invests in High-Tech Communications to Deliver World-Class Education
May 2009
RMIT is one of Australia's leading educational institutions. By 2006 its communications network was in urgent need of a complete upgrade. The most pressing issue was that RMIT's legacy voice...
Provided by Nortel Networks
-
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
-
Case Studies
Leveraging IT to Create an Innovative, Collaborative, Student-Centric Curricula
Jul 2009
Though less than a decade old, Franklin W. Olin College of Engineering, located in Needham, Mass., is already competing against the finest engineering schools in the country, including MIT and...
Provided by Nortel Networks
-
Case Studies
3Com's Networking Solutions Improve Services or Patients and Staff at NHS Walsall
Oct 2009
NHS (National Health Service) Walsall is the primary care trust responsible for the health needs of the inhabitants of this English town. NHS Walsall started its programme of network consolidation...
Provided by 3Com
-
Case Studies
University of Malaya Upgrades Campus-Wide Network With H3C Solution
Jan 2010
The University of Malaya (UM) prides itself on its status as Malaysia's first university. The rapidly growing user population of 27,000 students and 2,200 academic staff require ubiquitous access...
Provided by 3Com
-
Case Studies
3Com Leads Stadler Rail to a Network for the Future
Dec 2009
Founded more than 60 years ago in Zurich, Stadler Rail AG today employees 2,350 employees at seven locations in Switzerland, Germany, Poland, Hungary and, more recently, Algeria. The company's IT...
Provided by 3Com
-
Case Studies
Sage Has Installed a State-of-the-Art 3Com Network and Switched to VoIP
Nov 2009
The Sage Group plc, a leading international software company based in the British city of Newcastle, has 5.8 million customers and around 14,500 employees. The company wanted to establish a new...
Provided by 3Com
-
Case Studies
Azienda Ospedaliera Di Alessandria Uses Latest-Generation 3Com Switching Architecture to Keep Pace With Growing Data Demands
Feb 2010
The Azienda Ospedaliera Nazionale di Alessandria Santi Antonio e Biagio e Cesare Arrigo operates a highly specialised 750-bed hospital in Alessandria in northern Italy. The hospital has a highly...
Provided by 3Com
-
Case Studies
Oldham College Improves Teaching and Learning With Converged Voice/Data Network From 3Com
Jan 2010
Oldham College is one of the UK's leading colleges for Further Education (FE). With a large campus spanning six separate buildings, the college needed to widen access to online information and...
Provided by 3Com
-
Case Studies
Next-Generation Network From 3Com Saves Money for City College Norwich and Supports 'Green' Initiatives
Oct 2009
Keen to remain at the forefront of further and higher education provision in the UK, City College Norwich recently embarked on an infrastructure review and upgrade project. The organisation is...
Provided by 3Com
-
Case Studies
Unified Communications Network Drives Medison's Business Growth
Jan 2010
Founded in 1985, Medison is an R&D and manufacturing specialist of diagnostic ultrasound systems for the healthcare sector. Medison has made significant investments in advanced IT systems to...
Provided by 3Com
-
Case Studies
3Com Keeps London Luton Airport Flying
Feb 2010
London Luton Airport is one of the UK's busiest airports, handling more than 10 million passengers and 38,000 tonnes of freight per year. Luton Airport depends on its network for communications...
Provided by 3Com
-
Case Studies
3Com Delivers Flexible, Cost-Saving Remote Working to Lancaster City Council
Oct 2009
Lancaster City Council (LCC) runs a city that is rich in history. LCC decided to implement hot-desking across the organization. By taking advantage of the latest technologies to work more...
Provided by 3Com
-
Case Studies
World-Leader Krohne Messtechnik GmbH & Co. Turns to 3Com for Network Expansion
Dec 2009
The history of Krohne Messtechnik GmbH & Co. KG began in 1921 in Duisburg. A stable, high-performance network is particularly essential in R&D and electronics production. Due to time-critical data...
Provided by 3Com
-
Case Studies
3Com Connects the Communities of the Island of Sylt
Dec 2009
The Frisian island of Sylt off the coast of northern Germany is famous for its healthy climate, and for the many German celebrities who own houses there. Previously, jobs were located all over the...
Provided by 3Com
-
Case Studies
Thailand's Egco Goes Green and Open With 3Com
Jan 2010
As the first independent power producer in Thailand, the Electricity Generating Public Company Limited (EGCO) is the country's leader in power generation and supply. Power generation companies...
Provided by 3Com
-
Case Studies
3Com's Latest-Generation Switches Shine at the Centre of Carapellis Star
Dec 2009
Carapelli is a historic Italian brand, boasting a long history of expertise and a passion for making extra-virgin olive oil that makes it Italy's market leader. Carapelli used a customized ERP...
Provided by 3Com
-
Case Studies
Betagro Integrates Value Chain With 3com Solution
Jul 2009
Betagro Group is Thailand's leading integrated agricultural company. Given its widely dispersed business linkages throughout the country, Betagro needed a reliable network infrastructure that...
Provided by 3Com
-
White Papers
Soft-Handoff in WLAN Realized by Dual Link
Apr 2011
WLAN has been widely deployed in many aspects such as city hotspots and video surveillance system. When the mobile station roams in WLAN, it will switch among different Access Points (AP). This...
Provided by Academy Publisher
-
Case Studies
Airport's Common Use Model Relies on Modular Switches
Jun 2008
The extraordinary vision of the Greater Toronto Airports Authority (GTAA) has transformed Toronto Pearson International Airport into one of the most technologically advanced airports in the world....
Provided by Cisco Systems
-
White Papers
All-Optical 2x2 Switch by Exploiting Optical Nonlinearities in a Single Semiconductor Optical Amplifier
Dec 2009
A 2x2 cross/bar optically-driven switch is implemented with a single semiconductor optical amplifier. The switch exploits nonlinear polarization rotation experienced by two input signals in the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
All-Optical Grooming for 100 Gbit/s Ethernet
Dec 2009
A regenerative optical grooming switch for interconnecting 100 Gbit/s networks with lower bit-rate networks and switching functionality in time, space and wavelength domain is demonstrated. Lab...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Compact Routing in Power-Law Graphs
Jul 2009
Message routing is a fundamental service in communication networks. When routing a message from a source to a destination in the network, to decide where to forward the message to, a node may only...
Provided by University of Tokyo
-
Case Studies
Oil and Gas Facilities Company Enhances Business Operations Through Resilient Data Network
Oct 2008
Petrofac wanted to enhance business productivity by implementing a state-of-the-art, highly resilient network and data centre in Petrofac's brand new HeadQuarters (HQ) building. Petrofac deployed...
Provided by Nortel Networks
-
Case Studies
The Motorcity Casino-Hotel Deals a Winning Hand With Its State-of-the-Industry Communications Services
Nov 2007
To bring visitors to a rejuvenated downtown Detroit by offering an unrivaled luxury experience throughout this first-class hotel and casino. MotorCity management recognized that it would need an...
Provided by Nortel Networks
-
White Papers
Q-Switched Yb-Doped Microstructure Fiber Laser Using Gaas as Saturable Absorber
Dec 2009
A passive Q-switched Yb-doped Microstructure Fiber (MF) laser is demonstrated using a GaAs wafer as the saturable absorber. A high Ytterbium-doped fiber with a core diameter of 21 μm and a...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Performance Evaluation of Scalable Live Video Streaming With Nano Data Centers
Oct 2008
To improve the efficiency and the quality of a service, a network operator may consider deploying a peer-to-peer architecture among controlled peers, also called here nano data centers, which...
Provided by Reed Elsevier
-
White Papers
The Research of TRIP Protocol Based on Soft-switching Technology
Dec 2010
This paper makes a comparison through the TRIP agreement in different soft switching network, the authors find that the TRIP protocol in the improved network performs better than the old, and the...
Provided by Academy Publisher
-
White Papers
The L2-LInfinite Control for Leader-following Coordination With Switching Topology and Time-delay
Dec 2010
Recent years have witnessed a growing interest in the study of consensus problems for multi-agent systems. Because there are many applications of multi-agent systems in many areas such as...
Provided by Academy Publisher
-
White Papers
A Scalable Model for the Performance Evaluation of ROADMs With Generic Switching Capabilities
Oct 2010
In order to evaluate the performance of Reconfigurable Optical Add/Drop Multiplexers (ROADMs) consisting of a single large switch, in circuit switched Wavelength-Division Multiplexing (WDM)...
Provided by Academy Publisher
-
White Papers
Parallel Probing: Dynamic and Constant Time Setup Procedure in Circuit Switching NoC
Dec 2011
The authors propose a circuit switching Network-on-chip with a parallel probe searching setup method, which can search the entire network in constant time, only dependent on the network size but...
Provided by KTH Royal Institute of Technology
-
White Papers
An Analytical Latency Model for Networks-on-Chip
Dec 2011
The authors propose an analytical model based on queueing theory for delay analysis in a wormhole-switched Network-on-Chip (NoC). The proposed model takes as input an application communication...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New All-Optical Switching Node Including Virtual Memory and Synchronizer
Feb 2010
This paper presents an architecture for an all optical switching node. The architecture is suitable for optical packet and optical burst switching and provides appropriate contention resolution...
Provided by Academy Publisher
-
White Papers
ERONs: Dynamic Lightpath Networking Via Overlay Control of Static Optical Connections
Jan 2009
To bridge the gap between the current practice of setting up expensive, dedicated, lightpath connections (i.e., static topologies), and the distant future vision of inexpensive access to...
Provided by North Carolina State University
-
White Papers
Lightpath Bundling and Anycast Switching (LB+AS): A New Paradigm for Multilayer Optical Networks
Jan 2012
In IP over WDM multilayer optical networks, IP routers are interconnected by all-optical channels called lightpaths, of typical rates of 10, 40 or, more recently, 100 Gbps. In this context,...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
Dimensioning the Add/drop Contention Factor of Directionless ROADMs
Apr 2011
Reconfigurable Optical Add/Drop Multiplexers (ROADM) are the optical switching equipment of transparent optical networks. Directionless ROADMs permit the network carriers to change the direction...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
On the Myths of Optical Burst Switching
May 2011
This paper discusses merits and drawbacks of the Optical Burst Switching (OBS) paradigm, which received so much attention by the academic research community. Since the topic is hot, and given the...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
A Parallel Iterative Scheduler for Asynchronous Optical Packet Switching Networks
Nov 2010
This paper presents PI-OPS (Parallel-Iterative Optical Packet Scheduler) a parallel-iterative scheduler for asynchronous Optical Packet Switching nodes with optical buffering. Optical packets are...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
Parallel Desynchronized Block Matching: A Feasible Scheduling Algorithm for the Input-Buffered Wavelength-Routed Switch
Nov 2009
The Input-Buffered Wavelength-Routed (IBWR) switch is a promising switching architecture for slotted Optical Packet Switching (OPS) networks. The benefits of the IBWR fabric are a better...
Provided by Polytechnic University of Cartagena
-
White Papers
Round-Robin Wavelength Assignment: A New Packet Sequence Criterion in Optical Packet Switching SCWP Networks
Nov 2009
The WASPNET project proposed a packet sequence criterion to preserve end-to-end packet order in Optical Packet Switching (OPS) networks controlled by the SCattered Wavelength Path (SCWP)...
Provided by Polytechnic University
-
White Papers
Introducing Optical Switching in High-Capacity Commercial Routers
Apr 2011
High-performance packet switches are costly, bulky and power-hungry. Their scalability is constrained by the limits of electronic technology at high binary rates. In this paper, the authors study...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
Lightpath Bundling and Anycast Switching: A Good Team for Multilayer Optical Networks
Dec 2010
This paper proposes the combination of the so-called Lightpath Bundling (LB) and anycast switching techniques, as a simple and effective option to increase the performances of multilayer optical...
Provided by UNIVERSITY OF CARTAGENA
-
White Papers
On the Energy Efficiency of IP-Over-WDM Networks
Jul 2011
In the next years, the Internet will undergo a substantial increase of the capacity required by end-users. Since Internet currently consumes a significant fraction of the world electrical power,...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Energy-Aware Performance Optimization for Next-Generation Green Network Equipment
Aug 2009
Besides a more widespread sensitivity to ecological issues, the interest in energy-efficient network technologies springs from heavy and critical economical needs, since both energy cost and...
Provided by Association for Computing Machinery
-
White Papers
Slot Synchronization of a WDM Packet-Switched Slotted Ring
Oct 2007
In this paper, the authors present two different strategies of slot synchronization in Wavelength-Division-Multiplexing (WDM) packet-switched slotted-ring networks. Emphasis is given to the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Active Measurement and Time-Domain Characterization of IP Packet Jitter
Dec 2009
Synchronization over packet-switched networks has been attracting increasing attention lately, e.g. due to migration to IP transport in GSM networks. Timing is distributed by sending packet flows...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Packet Multiplexing Based on BGP Routing Information on Slotted OPS Networks
Sep 2009
In this paper, the authors propose a packet multiplexing technique with flow aggregation based on BGP routing information for slotted Optical Packet Switching (OPS) networks and evaluate its...
Provided by University of Tokyo
-
White Papers
Performance Evaluation of Packet Multiplexing With Flow Aggregation in Multi-Wavelength Optical Packet Networks
Jul 2009
In this paper, the authors evaluate the performance of packet multiplexing with three flow aggregation strategies in multi-wavelength optical packet networks. The results showed flow aggregation...
Provided by University of Tokyo
-
White Papers
280Gb/s Hybrid Optical Switching Demonstration Combining Circuit and Multi-Wavlength Packet
Jul 2009
In this paper, the authors design a novel hybrid optical network architecture combining both MW-OPS and OCS, and experimentally demonstrate its feasibility in a 280-Gbps network testbed. Due to...
Provided by University of Tokyo
-
White Papers
200Gb/s Multi-Wavelength Optical Packet Switching With 2NS Ultra-Fast Optical Switch
Jul 2009
In this paper, the authors demonstrate 200Gb/s Multi-Wavelength Optical Packet Switching with an ultra-fast optical switch. The feasibility has been confirmed by the experimental results. The...
Provided by University of Tokyo
-
White Papers
Preliminary Demonstration of Hybrid Optical Switching Node With Dynamic Wavelength Resource Allocation Using SOA Switch
Jul 2009
In this paper, the authors preliminary demonstrate a hybrid optical switching node combining MW-OPS and OCS with dynamic resource allocation using SOA and MEMS switches. The primary feasibility...
Provided by University of Tokyo
-
White Papers
Detecting BGP Anomalies With Wavelet
Dec 2007
In this paper, the authors propose a BGP anomaly detection framework called BAlet that delivers both temporal and spatial localization of the potential anomalies. It requires only a simple count...
Provided by University of California
-
White Papers
Reliable and Efficient Routing Using Adaptive Genetic Algorithm in Packet Switched Networks
Jan 2012
To identify the optimal route is a complex task in packet switched network because optimization depends upon a number of parameters. In this paper Genetic Algorithm is used to locate the optimal...
Provided by International Journal of Computer Science Issues
-
White Papers
Reliability Analysis of a Fault Tolerant Switch
Jan 2012
This paper proposes an enhancement to the Tagle-Sharma network, a high performance self routing fault tolerant switch fabric which employs an enhanced scheme of the banyan network. The enhancement...
Provided by International Association of Computer Science & Information Technology (IACSIT)
-
White Papers
New Multi-Dimensional Mapping for MIMO-BICM-ID Systems
May 2011
In this paper, Bit Interleaved Coded Modulation systems with Iterative Decoding (BICM-ID) for Multiple Input Multiple Output (MIMO) channel are considered. Based on minimizing pair-wise error...
Provided by Academy Publisher
-
White Papers
An Analytical Model Relating FPGA Architecture Parameters to Routability
Mar 2011
The authors present an analytical model relating FPGA architectural parameters to the routability of the FPGA. The inputs to the model include the channel width and connection and switch block...
Provided by Association for Computing Machinery
-
White Papers
Underwater Acoustic Communications: Optimizing Data Packet Size With Respect to Throughput Efficiency, BER, and Energy Efficiency
Jan 2012
The authors of this paper embarked on a research to investigate the relationships between the data packet size and the three important performance metrics namely, Bit Error Rate (BER), throughput...
Provided by International Association of Computer Science & Information Technology (IACSIT)
-
White Papers
An FPGA-Based Simulator for Datacenter Networks
Feb 2010
The authors describe an FPGA-based datacenter network simulator for researchers to rapidly experiment with O(10,000) node datacenter network architectures. Their simulation approach configures the...
Provided by University of California
