- Subscribe to this page:
- RSS
- Email Alert
network technologies
(1372 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.
-
White Papers
Multiple TCP Connections Improve HTTP Throughput ? Myth or Fact?
Sep 2008
The earlier research showed that HTTP over TCP suffers from aggravated Head-Of-Line (HOL) blocking in browsing conditions found in the developing world. The paper proposed a multistreamed...
Provided by University of Delaware
-
White Papers
Aeronautical Gateways: Supporting TCP/IP-Based Devices and Applications Over Modern Telemetry Networks
Aug 2009
Telemetry applications in the mobile airborne networks pose unique challenges. In the current underlying network infrastructure these applications rely on point-to-point links based on IRIG 106...
Provided by University of Kansas
-
White Papers
NEWQUE: A New Approach to Active Queue Management for TCP With ECN
Mar 2010
Active Queue Management (AQM) can potentially reduce packet drop rate in the Internet. This is used by routers to control congestion, where packets are dropped before queue become full. In order...
Provided by PSG College of Technology
-
White Papers
Support Vector Machines for TCP Traffic Classification
May 2009
Support Vector Machines (SVM) represent one of the most promising Machine Learning (ML) tools that can be applied to the problem of traffic classification in IP networks. In the case of SVMs,...
Provided by Universita degli Studi di Brescia
-
White Papers
Environmental Independence: BSD Kernel TCP/IP in Userspace
Feb 2009
Code is code. In the entire application stack only a very small fraction of code is special in the sense that it requires the hardware to run in privileged mode. In theory all the rest can run in...
Provided by Helsinki University of Technology
-
White Papers
Implementation of Hardware Stack TCP/IP Using Virtex-2 Pro FPGA
Nov 2009
There is a general consensus that in years to come more and more Internet devices will be embedded and not PC oriented. Just one such prediction is that by 2010, 95% of Internet-connected devices...
Provided by Academy Publisher
-
White Papers
Embedded TCP/IP Based Device Controlling System Through Network
Sep 2008
Embedded applications have become a part of the day today life. As microprocessors have become smaller and cheaper; more and more devices have microprocessors embedded in them to make them...
Provided by Rajagiri College of Social Sciences
-
White Papers
Design and Implementation of the High Speed TCP/IP Offload Engine
Aug 2009
As the growth of Ethernet speed surpassed the growth of microprocessor performance. TCP/IP Offload Engine (TOE) technology has emerged and aimed at not only releasing servers and communication...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
IP Over DTN: Large-Delay Asynchronous Packet Delivery in the Internet
Oct 2009
The well-known DTN divides an end-to-end communication path into hop-by-hop sessions and allows asynchronous message delivery over physically delay or disruptive network environments. They have...
Provided by University of Tokyo
-
White Papers
SAS Data Integration Studio Tips and Tricks
Mar 2010
Anyone who has used SAS Data Integration Studio to process and transform data has invariably said to themselves "Is there another way to do the things that the author wants to do?" SAS Data...
Provided by d-Wise Technologies
-
White Papers
A Look Back at "Security Problems in the TCP/IP Protocol Suite"
Aug 2008
Several points are immediately obvious from this analysis. The first, surely, is that in general, relying on the IP source address for authentication is extremely dangerous. Fortunately, the...
Provided by AT&T Labs-Research
-
White Papers
The Delay-Friendliness of TCP
Jun 2008
TCP has traditionally been considered unfriendly for real-time applications. Nonetheless, popular applications such as Skype use TCP since UDP packets cannot pass through many NATs and firewalls....
Provided by Association for Computing Machinery
-
White Papers
Efficient and Robust TCP Stream Normalization
Jan 2010
Network intrusion detection and prevention systems are vulnerable to evasion by attackers who craft ambiguous traffic to breach the defense of such systems. A normalizer is an in line network...
Provided by Massachusetts Institute of Technology
-
White Papers
Network Coding Meets TCP
Sep 2008
This paper propose a mechanism that incorporates network coding into TCP with only minor changes to the protocol stack, thereby allowing incremental deployment. In this scheme, the source...
Provided by Massachusetts Institute of Technology
-
White Papers
FAST TCP in High-Speed Networks: An Experimental Study
Jan 2010
Various experiments are conducted using FAST TCP on two high-speed networks and uncovered some of the hidden problems affecting high-speed TCP implementations in practice. While FAST TCP achieved...
Provided by California Institute of Technology
-
White Papers
Modeling TCP-Vegas Under On/Off Traffic
Jan 2010
There has been a significant amount of research toward modeling variants of the Transmission Control Protocol (TCP) in order to understand the impact of this protocol on file transmission times...
Provided by Carnegie Mellon University
-
White Papers
Towards a Common TCP Evaluation Suite
Dec 2007
This paper describes a common evaluation suite for the initial evaluation of new TCP extensions. It defines a small number of evaluation scenarios, including traffic and delay distributions,...
Provided by Cisco Systems
-
White Papers
A Performance Study of Loss Detection/Recovery in Real-World TCP Implementations
Jan 2010
TCP is the dominant transport protocol used in the Internet and its performance fundamentally governs the performance of Internet applications. It is well-known that packet losses can adversely...
Provided by University of North Carolina
-
White Papers
Stochastic TCP: A Statistical Approach to Congestion Avoidance
Feb 2008
High speed wide area networks offer a challenging environment for transmission protocols seeking an optimal balance between efficiency and fairness. Poor TCP performance in these environments is...
Provided by Purdue University (Krannert)
-
White Papers
Safe and Effective Fine-Grained TCP Retransmissions for Datacenter Communication
Aug 2009
This paper presents a practical solution to a problem facing high-fan-in, high-bandwidth synchronized TCP workloads in datacenter Ethernets - the TCP incast problem. In these networks, receivers...
Provided by Association for Computing Machinery
-
White Papers
Measurement and Analysis of TCP Throughput Collapse in Cluster-Based Storage Systems
Jan 2008
Cluster-based and iSCSI-based storage systems rely on standard TCP/IP-over-Ethernet for client access to data. Unfortunately, when data is striped over multiple networked storage nodes, a client...
Provided by Carnegie Mellon University
-
White Papers
Pathdiag: Automated TCP Diagnosis
Mar 2008
This paper describes a tool to diagnose network performance problems commonly affecting TCP-based applications. The tool, pathdiag, runs under a web server framework to provide non-expert network...
Provided by Pittsburgh Supercomputing Center
-
White Papers
Reflections on the TCP Macroscopic Model
Nov 2008
The prevailing paradigm, uniform congestion control algorithms interacting with simple network devices, was absolutely the correct model when the Internet was in its in-fancy. Today, there is too...
Provided by Association for Computing Machinery
-
White Papers
Web100: Extended TCP Instrumentation for Research, Education and Diagnosis
Jan 2010
TCP has become the dominant protocol for all network data transport because it presents a simple uniform data delivery service which is sufficient for most applications over all types of lower...
Provided by Pittsburgh Supercomputing Center
-
White Papers
A Statistical Approach to TCP Session Classification
Apr 2008
Government computer networks need a real-time network traffic monitoring tool to detect anomalies in network traffic patterns to improve security. Specifically, they need a tool to determine if a...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
TCP Performance in Wireless Multi-Hop Networks
Nov 2007
In recent years, wireless networks have become increasingly common and an increasing number of devices are communicating with each other over lossy links. Unfortunately, TCP performs poorly over...
Provided by University of California
-
White Papers
Routing Scalability in Multi-Domain DWDM Networks
Sep 2008
This paper studies routing scalability in multi domain DWDM networks. Although inter-domain provisioning has been well studied for packet/cell-switching networks, the wavelength dimension (along...
Provided by Springer Science+Business Media
-
White Papers
Inter-Domain Routing Scalability in Optical DWDM Networks
Mar 2008
Recent studies on inter-domain DWDM networks have focused on topology abstraction for state summarization, i.e., transforming a physical topology to a virtual mesh, tree, or star network. Although...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Ultimate Spectral Efficiency Limits in DWDM Systems
Jul 2008
The overall capacity (b/s) of a DWDM transmission system is governed by the available bandwidth (Hz) and by the achievable spectral efficiency (b/s/Hz). Ultimate limits to the spectral efficiency...
Provided by University of California
-
White Papers
OTN Interfaces for IP Over DWDM: IP-Optical Integration for Managing Wavelengths in Routers
Apr 2010
Traffic growth across core networks has proven to be a major driver for IP-optical integration. As time-division multiplexing (TDM)-based framing at Layer 2 has been discarded in favor of simpler...
Provided by Juniper Networks
-
White Papers
Improving Business Operations With Unified Video Communications
Feb 2010
Medium and large enterprises are finding new opportunities to reduce costs and improve team collaboration and customer service by deploying the latest enterprise video solutions. This paper...
Provided by Alcatel-Lucent
-
White Papers
Architecture to Integrate Multiple PONs With Long Reach DWDM Backhaul
Feb 2009
This paper demonstrates the feasibility of an architecture that consolidates a number of deployed Passive Optical Network (PON) infrastructures into a long-reach, high-split ratio system which...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Recent Trends in 100G Module and Subsystem Development for Long Haul DWDM Applications
May 2009
100G long haul DWDM transmission has been an area of intense research and development over the past several years, with commercial system availability generally expected within the next couple...
Provided by Opnext
-
White Papers
A Novel Block Turbo Code for High-Speed Long-Haul DWDM Optical Communication Systems
Mar 2008
The Forward Error Correction (FEC) code can effectively correct the error information that has arisen in the optical communication channel, so modern Dense Wavelength Division Multiplexing (DWDM)...
Provided by Reed Elsevier
-
White Papers
Open Photonics DWDM Systems Deployment Within the CESNET2 Network, With Emphasis to Single Fibre Bidirectional Operation
Dec 2008
This paper describes an experience with the deployment of DWDM system, based on open photonic devices family called CzechLight, within the CESNET2 network optical infrastructure in 2008. Emphasis...
Provided by CESNET
-
White Papers
40-Gb/s Dense Wavelength Division Multiplexing Transmission System
Oct 2009
Fujitsu Telecom Networks develops and supplies optical transmission systems for domestic telecommunications carriers. For Japanese telecommunications carriers, it has recently developed the...
Provided by Fujitsu
-
White Papers
10 Things to Look for in a Communications System Support Provider
Feb 2010
Increasing market velocity, heightened competitive pressures and a tightened economy are driving organizations to rely on their communications systems more than ever to conduct business, stay in...
Provided by Avaya
-
Whitepapers
Optimal Training Sequence Design for Bi-Directional Relay Networks
Oct 2008
In this paper, the problem of training sequence design in a bi-directional relay network is investigated. The two nodes Tx1 and Tx2 communicate with each other via a ReLay (RL). The RL receives...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Cooperative Multiplexing in Full-Duplex Multi-Antenna Relay Networks
Oct 2008
Consider a network with one source, one destination and multiple relays. It is shown that multiplexing gains that are higher than that of the direct link are possible for any finite SNR, in such a...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Kofax Capture Network Server: The Point of Entry for Business Processes
May 2008
Today's organizations are much more widely dispersed than they were a generation ago. With worldwide locations, multiple field offices, and remote work forces, businesses are apt to have a...
Provided by Kofax
-
Whitepapers
Decode-and-Forward Based Strategies for Secrecy in Multiple-Relay Networks
Mar 2012
In this paper, the authors first study the Decode-and-Forward strategy for secrecy in a single-relay network. They propose a suboptimal Decode-and-Forward with Zero Forcing (DF/ZF) strategy for...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Energy-Delay Tradeoffs in a Linear Sequence of Relay Channels
Mar 2012
In this paper, the authors aim at characterizing the gain induced by using relay channels in a linear network under both capacity constraint and realistic energy model. They express a general...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Capacity Maximization in Cooperative CRNs: Joint Relay Assignment and Channel Allocation
May 2012
Cooperative Communication (CC) can offer high channel capacity and reliability in an efficient and low-cost way by forming a virtual antenna array among single-antenna nodes that cooperatively...
Provided by University of Washington School of Public Health & Community Medicine
-
Whitepapers
Error Resistant Lossless Data Compression With Equal Length Coding Using Fine Tuned Multiple Label Mapping
May 2012
Data inherently including memory can be compressed using either equal or variable length coding. This paper proposes a novel method to compress the data with memory by using equal length code...
Provided by University of Ottawa
-
Whitepapers
Energy-Aware Relay Selection for Multiuser Relay Networks
May 2012
The authors consider a dual-hop relay network with multiple Source-Destination (S-D) pairs and multiple relays, where amplify-and-forward relaying strategy is applied and transmission among S-D...
Provided by University of Oldenburg
-
Whitepapers
Survey on Random Early Detection Mechanism and Its Variants
Aug 2012
Active Queue Management (AQM) algorithms are an Implementing schemes, So that packets are transmitted with higher priority than others. Random Early Detection (RED) is the first active queue...
Provided by Association for Computing Machinery
-
Whitepapers
Superposition Coding Aided Bi-Directional Relay Transmission Employing Iteratively Decoded Self-Concatenated Convolutional Codes
Mar 2010
In this paper, the authors consider coding schemes designed for two nodes communicating with each other with the aid of a relay node, which receives information from the two nodes in the first...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Common Information Multicast With Different Data Rates
Mar 2010
The task of multicast is to deliver common information to all users in a group. However, these users' different channel qualities result in their decoding capabilities being different. Therefore,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A New Algorithm for Carrier Frequency Offset Estimation in the Presence of I/Q Imbalance
Mar 2010
The estimation of Carrier Frequency Offset (CFO) is an important topic in broadband communication systems. It is known that the accuracy of CFO estimation will be affected by the existence of the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Distributed Network Channel Coding for Multiple Access Relay Interference Channels
Mar 2010
In this paper, the authors consider a Multi-Access Relay Interference Channel (MARIC), where multiple groups of source nodes communicate with multiple respective destinations, respectively,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
On the Design of Turbo Packet Combining Schemes for Relay-Assisted Systems Over Multi-Antenna Broadband Channels
Mar 2010
This paper focuses on turbo packet combining strategies for multi-relay-assisted systems operating over Multiple-Input - Multiple-Output (MIMO) broadband channel. The authors propose a frequency...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Generalized Constellation Rearrangement in Cooperative Relaying
Mar 2010
In Constellation Rearrangement (CoRe), the basestation and the relay use different constellations, with the same number of signal points, to communicate with the user terminal. In contrast to the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Novel Hybrid Relaying Scheme Using Multilevel Coding
Mar 2010
In this paper, multilevel coding is tailored for cooperative communication, where the source deploys a layered encoding structure. Due to the BER difference for different coding levels, there is...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Tracking and Sketching Distributed Data Provenance
Oct 2010
Current provenance collection systems typically gather metadata on remote hosts and submit it to a central server. In contrast, several data-intensive scientific applications require a...
Provided by Carnegie Mellon University
-
Case Studies
UWE Bristol Boosts Competitive Edge, Enhances Education With Unified Communications
Nov 2011
The University of the West of England, Bristol (UWE Bristol) has around 30,000 students and 3,500 employees. Like all universities in England, UWE Bristol faced decreased government funding due to...
Provided by Microsoft
-
Case Studies
Technology Provider Helps Customers Standardize Communications to Boost Productivity
Nov 2010
Damovo Group has 35 years of experience deploying solutions and services across the complete information communication technology spectrum. As a Microsoft Gold Partner, Damovo facilitates business...
Provided by Microsoft
-
Case Studies
Healthcare Firm Upgrades Unified Communications, Streamlines IT Operations
Apr 2011
Colmédica is a healthcare insurance and management firm that was founded in 1990, is headquartered in Bogotá, Colombia, and has been part of the Chile-based Banmédica Group since 1996. Colmédica...
Provided by Microsoft
-
Case Studies
Swedish City Updates Communications Solution and Saves $750,000 Annually
Nov 2010
The city of Vaxjo, Sweden was maintaining a complex communications environment. Each of its departments had a different solution, which did not foster collaboration among employees and was...
Provided by Microsoft
-
Webcasts
Cisco TelePresence Management Suite Extension for Microsoft Exchange (TMSXE 3.0)
Jul 2012
In this webcast, the presenter going to provides an overview about Tele-Presence Management. The presenter also explains how to properly install the Cisco Tele-presence Management Suite Extension...
Provided by Cisco Systems
-
Webcasts
Cisco Smart CallConnector
Jul 2012
In this webcast, the presenter going to provides an overview about Cisco Smart CallConnector. The presenter also explains how to properly install the Cisco CallConnector solution that includes...
Provided by Cisco Systems
-
Whitepapers
An Adaptive Modulation Scheme for Two-Way Relay Channel
Aug 2012
In this paper, an adaptive modulation scheme for the Two-Way Relay Channel (TWRC) is proposed. The modulation used at each user is adaptively selected according to their own channel. When the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Relay Selection and Power Allocation Based on Incremental Relaying for Two-Way Relay Network With Asymmetric Traffics
Aug 2012
Most of existing studies about two-way relay network rely on the assumption that two sources transmit with symmetric traffics, which is often unsatisfied in practical application. In this paper,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
The Limitation of Random Network Coding
Oct 2012
It is already known that in multicast (single source, multiple sinks) network, random linear network coding can achieve the maximum flow upper bound. In this paper, the authors investigate how...
Provided by Cornell University
-
Whitepapers
TCP-UB: A New Congestion Aware Transmission Control Protocolvariant
Jul 2012
Transmission Control Protocol (TCP) is a connection oriented protocol for several types of distributed applications. TCP is reliable particularly for traditional fixed networks. With emergence of...
Provided by University of Brescia
-
Whitepapers
Comparison of Speech Activity Detection Techniques for Speaker Recognition
Oct 2012
Speech Activity Detection (SAD) is an essential component for a variety of speech processing applications. It has been observed that performances of various speech based tasks are very much...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
An Asymptotically Optimal Push-Pull Method for Multicasting Over a Random Network
Oct 2012
The authors consider all cast and multicast flow problems where either all of the nodes or only a subset of the nodes may be in session. Traffic from each node in the session has to be sent to...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Reduction of Blocking Artifacts in JPEG Compressed Image
Apr 2012
In JPEG (DCT based) compresses image data by representing the original image with a small number of transform coefficients. It exploits the fact that for typical images a large amount of signal...
Provided by Guru Nanak Dev Engineering College
-
Whitepapers
Enhancements Performance in TCP-LP: Low-Priority Service Via End Point Conditional Randomized Protocols
Aug 2012
Peer-To-Peer (P2P) networks establish loosely coupled application-level overlays on top of the Internet to facilitate efficient sharing of resources Without constraints over the network topology,...
Provided by International Journal of Electronics and Computer Science Engineering
-
Whitepapers
Modelling of VoIP Based Tele-Teaching System: A Petri Net Based Approach
Sep 2012
In this paper, the authors propose an algorithm called interactive group synchronization to reduce the chance of audio speech overlapping in VoIP based conferencing. They also extend the...
Provided by International Journal of Computer Science Issues
-
Whitepapers
A New Algorithm for Data Compression Optimization
Aug 2012
People tend to store a lot of files inside theirs storage. When the storage nears it limit, they then try to reduce those files size to minimum by using data compression software. In this paper,...
Provided by The Schwa
-
Whitepapers
A Markov Model of Server to Client IP Traffic in First Person Shooter Games
Apr 2008
Modeling traffic generated by Internet based multiplayer computer games has attracted a great deal of attention in the past few years. In part this has been driven by a need to simulate the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Pseudo-Scheduling: A New Approach to the Broadcast Scheduling Problem
Oct 2012
The broadcast scheduling problem asks how a multi-hop network of broadcast transceivers operating on a shared medium may share the medium in such a way that communication over the entire network...
Provided by University of Rhode Island
-
Whitepapers
An Explanation of Video Compression Techniques
Sep 2008
JPEG, Motion JPEG and MPEG are three well-used acronyms used to describe different types of image compression format. But what do they mean, and why are they so relevant to today's rapidly...
Provided by Axis Communications
-
Whitepapers
Shielded or Unshielded Network Cables
Mar 2012
All electric and electronic devices emit electromagnetic energy, also referred to as Radio Frequency emission or RF emission. RF emissions are a byproduct of electrical or magnetic activity....
Provided by Axis Communications
-
Whitepapers
Controller Area Network for Vehicle Automation
Feb 2012
Based on requirements of modern vehicle, in-vehicle Controller Area Network (CAN) architecture has been implemented. In order to reduce point to point wiring harness in vehicle automation, CAN is...
Provided by International Journal of Emerging Technology and Advanced Engineering (IJETAE)
-
Whitepapers
MANET Routing Protocols Performance Evaluation with TCP Taho, Reno and New-Reno
Mar 2011
The paper aims to investigate the performance of the TCP variants in MANET and its behavior with respect to different routing protocols. In the performance evaluation two different routing...
Provided by Science and Development Network (SciDev.Net)
-
Whitepapers
A Comparative Study on Responding Methods for TCP's Fast Recovery in Wireless Networks
Sep 2011
When TCP operates in wireless networks, it suffers severe performance degradation because TCP's Fast Retransmit/Fast Recovery (FR/FR) is often triggered regardless of congestion when a packet is...
Provided by Science and Development Network (SciDev.Net)
-
Whitepapers
A Slit-Loaded Notch-Cut Patch Antenna for Broadband Applications
Apr 2012
In this paper, the authors have Investigated various meandering techniques for obtaining compact and broadband patch antenna. They have designed a slit-loaded notch-cut patch antenna based on...
Provided by INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE & ADVANCED TECHNOLOGY
-
Whitepapers
Detection of Intruders and Flooding in VoIP Using IDS, Jacobson Fast and Hellinger Distance Algorithms
Aug 2012
VoIP services are becoming increasingly a big competition to existing telephony services (PSTN). Hence, the need arises to protect VoIP services from all kinds of attacks that target network...
Provided by IOSR Journal of Engineering
-
Whitepapers
Augmented Reality Tracking Techniques: A Systematic Literature Review Protocol
Aug 2012
Augmented Reality (AR) is a technology through which the view of real world environment is augmented by computer generated elements/objects. Tracking and registration are the key challenges in AR...
Provided by Iosrjournals
-
White Papers
Modeling TCP-Vegas Under On/Off Traffic
Jan 2010
There has been a significant amount of research toward modeling variants of the Transmission Control Protocol (TCP) in order to understand the impact of this protocol on file transmission times...
Provided by Carnegie Mellon University
-
White Papers
Towards a Common TCP Evaluation Suite
Dec 2007
This paper describes a common evaluation suite for the initial evaluation of new TCP extensions. It defines a small number of evaluation scenarios, including traffic and delay distributions,...
Provided by Cisco Systems
-
White Papers
A Performance Study of Loss Detection/Recovery in Real-World TCP Implementations
Jan 2010
TCP is the dominant transport protocol used in the Internet and its performance fundamentally governs the performance of Internet applications. It is well-known that packet losses can adversely...
Provided by University of North Carolina
-
White Papers
Stochastic TCP: A Statistical Approach to Congestion Avoidance
Feb 2008
High speed wide area networks offer a challenging environment for transmission protocols seeking an optimal balance between efficiency and fairness. Poor TCP performance in these environments is...
Provided by Purdue University (Krannert)
-
White Papers
Safe and Effective Fine-Grained TCP Retransmissions for Datacenter Communication
Aug 2009
This paper presents a practical solution to a problem facing high-fan-in, high-bandwidth synchronized TCP workloads in datacenter Ethernets - the TCP incast problem. In these networks, receivers...
Provided by Association for Computing Machinery
-
White Papers
Measurement and Analysis of TCP Throughput Collapse in Cluster-Based Storage Systems
Jan 2008
Cluster-based and iSCSI-based storage systems rely on standard TCP/IP-over-Ethernet for client access to data. Unfortunately, when data is striped over multiple networked storage nodes, a client...
Provided by Carnegie Mellon University
-
White Papers
Pathdiag: Automated TCP Diagnosis
Mar 2008
This paper describes a tool to diagnose network performance problems commonly affecting TCP-based applications. The tool, pathdiag, runs under a web server framework to provide non-expert network...
Provided by Pittsburgh Supercomputing Center
-
White Papers
Reflections on the TCP Macroscopic Model
Nov 2008
The prevailing paradigm, uniform congestion control algorithms interacting with simple network devices, was absolutely the correct model when the Internet was in its in-fancy. Today, there is too...
Provided by Association for Computing Machinery
-
White Papers
Web100: Extended TCP Instrumentation for Research, Education and Diagnosis
Jan 2010
TCP has become the dominant protocol for all network data transport because it presents a simple uniform data delivery service which is sufficient for most applications over all types of lower...
Provided by Pittsburgh Supercomputing Center
-
White Papers
A Statistical Approach to TCP Session Classification
Apr 2008
Government computer networks need a real-time network traffic monitoring tool to detect anomalies in network traffic patterns to improve security. Specifically, they need a tool to determine if a...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
TCP Performance in Wireless Multi-Hop Networks
Nov 2007
In recent years, wireless networks have become increasingly common and an increasing number of devices are communicating with each other over lossy links. Unfortunately, TCP performs poorly over...
Provided by University of California
-
White Papers
Routing Scalability in Multi-Domain DWDM Networks
Sep 2008
This paper studies routing scalability in multi domain DWDM networks. Although inter-domain provisioning has been well studied for packet/cell-switching networks, the wavelength dimension (along...
Provided by Springer Science+Business Media
-
White Papers
Inter-Domain Routing Scalability in Optical DWDM Networks
Mar 2008
Recent studies on inter-domain DWDM networks have focused on topology abstraction for state summarization, i.e., transforming a physical topology to a virtual mesh, tree, or star network. Although...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Ultimate Spectral Efficiency Limits in DWDM Systems
Jul 2008
The overall capacity (b/s) of a DWDM transmission system is governed by the available bandwidth (Hz) and by the achievable spectral efficiency (b/s/Hz). Ultimate limits to the spectral efficiency...
Provided by University of California
-
White Papers
OTN Interfaces for IP Over DWDM: IP-Optical Integration for Managing Wavelengths in Routers
Apr 2010
Traffic growth across core networks has proven to be a major driver for IP-optical integration. As time-division multiplexing (TDM)-based framing at Layer 2 has been discarded in favor of simpler...
Provided by Juniper Networks
-
White Papers
Improving Business Operations With Unified Video Communications
Feb 2010
Medium and large enterprises are finding new opportunities to reduce costs and improve team collaboration and customer service by deploying the latest enterprise video solutions. This paper...
Provided by Alcatel-Lucent
-
White Papers
Point-to-Point DWDM System Design and Simulation
Aug 2009
As for the problems of complexity and long cycle in the DWDM design, part of problems needed to be considered in DWDM system design were analyzed. An optimized point-to-point DWDM transmission...
Provided by Academy Publisher
-
White Papers
Architecture to Integrate Multiple PONs With Long Reach DWDM Backhaul
Feb 2009
This paper demonstrates the feasibility of an architecture that consolidates a number of deployed Passive Optical Network (PON) infrastructures into a long-reach, high-split ratio system which...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Recent Trends in 100G Module and Subsystem Development for Long Haul DWDM Applications
May 2009
100G long haul DWDM transmission has been an area of intense research and development over the past several years, with commercial system availability generally expected within the next couple...
Provided by Opnext
-
White Papers
A Novel Block Turbo Code for High-Speed Long-Haul DWDM Optical Communication Systems
Mar 2008
The Forward Error Correction (FEC) code can effectively correct the error information that has arisen in the optical communication channel, so modern Dense Wavelength Division Multiplexing (DWDM)...
Provided by Reed Elsevier
-
White Papers
Open Photonics DWDM Systems Deployment Within the CESNET2 Network, With Emphasis to Single Fibre Bidirectional Operation
Dec 2008
This paper describes an experience with the deployment of DWDM system, based on open photonic devices family called CzechLight, within the CESNET2 network optical infrastructure in 2008. Emphasis...
Provided by CESNET
-
White Papers
40-Gb/s Dense Wavelength Division Multiplexing Transmission System
Oct 2009
Fujitsu Telecom Networks develops and supplies optical transmission systems for domestic telecommunications carriers. For Japanese telecommunications carriers, it has recently developed the...
Provided by Fujitsu
-
White Papers
10 Things to Look for in a Communications System Support Provider
Feb 2010
Increasing market velocity, heightened competitive pressures and a tightened economy are driving organizations to rely on their communications systems more than ever to conduct business, stay in...
Provided by Avaya
-
Whitepapers
Optimal Training Sequence Design for Bi-Directional Relay Networks
Oct 2008
In this paper, the problem of training sequence design in a bi-directional relay network is investigated. The two nodes Tx1 and Tx2 communicate with each other via a ReLay (RL). The RL receives...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Cooperative Multiplexing in Full-Duplex Multi-Antenna Relay Networks
Oct 2008
Consider a network with one source, one destination and multiple relays. It is shown that multiplexing gains that are higher than that of the direct link are possible for any finite SNR, in such a...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Kofax Capture Network Server: The Point of Entry for Business Processes
May 2008
Today's organizations are much more widely dispersed than they were a generation ago. With worldwide locations, multiple field offices, and remote work forces, businesses are apt to have a...
Provided by Kofax
-
White Papers
Queueing Model Based Network Server Performance Control
Feb 2009
Controlling the timing performance of a network server is a challenging problem. This paper presents a Queueing Model Based Feedback Control approach to keep the timing performance of a network...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Understanding and Addressing Blocking-Induced Network Server Latency
Jan 2010
This paper investigate the origin and components of network server latency under various loads and find that filesystem-related kernel queues exhibit head-of-line blocking, which leads to bursty...
Provided by Princeton University
-
White Papers
Oracle Communications Unified Communications Suite
Apr 2010
The Oracle Communications Unified Communications Suite is a cost-effective, industry-leading provider of carrier-grade communication and collaboration solutions for service providers and large...
Provided by Oracle
-
Webcasts
Unified Communications Delivers a Scalable, Consolidated, and Manageable Communication Experience
Feb 2010
Unified Communications at Microsoft supports over 40,000 users. Multiple communications tools such as e-mail, Instant Messaging, voice mail, voice, and presence are delivered in a unified...
Provided by Microsoft
-
White Papers
Cisco 40-Gbps DWDM Solutions: Boost Capacity and Flexibility the Smart Way
Apr 2010
The Exabyte Era is upon us. Cisco research indicates that the total volume of worldwide IP traffic is doubling every two years. By 2011, the world's IP networks will transport 29 exabytes of...
Provided by Cisco Systems
-
White Papers
Avaya Unified Communications Integration Roadmap
Jan 2010
Avaya has released the Unified Communications Integration Roadmap, as committed, within the first thirty days following the combination of Avaya and Nortel Enterprise Solutions into a single...
Provided by Avaya
-
White Papers
The True Cost of Voice Over IP: As VOIP Becomes Mainstream, Costs Level Out, Benefits Increase
Nov 2009
The majority of companies are doing something - ranging from pilots to full deployments - with Voice Over IP. At the same time, nearly 80% of IT professionals say it's vital to build a business...
Provided by Nemertes Research
-
White Papers
The Business Value of SIP VoIP and Trunking
Jun 2008
Early man used pictographs on cave walls to express ideas. Since then, technologies have evolved to bridge the gap between humans and change how one interacts. Communications have evolved as well....
Provided by Realtimepublishers.com
-
Case Studies
How Cisco Uses Video Conferencing to Communicate with Remote Workers
Jul 2008
Cisco System Media Network team produces and distributes live streaming events and Video On Demand (VoD) content for both internal and external audiences. As the Cisco Media Network producer works...
Provided by Cisco Systems
-
Whitepapers
Leveraging the Benefits of Provider Backbone Bridges
Aug 2009
The Provider Backbone Bridges (PBB) standard, IEEE 802.1ah, has been studied in this paper to understand the limitations that come with this standard. The paper suggests that when compared with a...
Provided by Brocade
-
White Papers
A New Approach to Content-Based File Type Detection
Nov 2009
With the increase in use of computers and network security, it has become a difficult task to locate files in an operating system. The idea of this paper is to talk about content-based file type...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Selecting the Right Cable for the Network
Aug 2008
This paper delves on ideas that one can use to decrease use of fossil while in indirect ways. Ideas of this paper have evolved from the need that individuals and power utilities are pressurized...
Provided by Olex
-
Whitepapers
Cable Management for Rack-Mounted Systems
Dec 2007
This paper discusses methods and techniques by which one can avoid mismanagement of cables and attain a more organised cable management. This is particularly relevant in the case of high-density...
Provided by Hewlett-Packard (HP)
-
White Papers
Videoconferencing Best Practices: Leveraging the Value of a Total Solution
May 2008
With the globalization of businesses, organizations are making use of video conferencing to talk and get in touch with their employees around the globe. This paper points out the total solution...
Provided by Frost & Sullivan
