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tcp - ip
(1504 results)-
Webcasts
Your Cloud, Your Business: Perspectives from Verizon and VMware
Feb 2011
Like the idea of cloud computing but want a provider that supports the applications you already have? How can you be sure you get the security you need — and pass audit — with an external cloud?...
Provided by VMware
-
White Papers
HxH: A Hop-by-Hop Transport Protocol for Multi-Hop Wireless Networks
Nov 2008
TCP can perform poorly in multi-hop wireless networks due to problems that arise with contention and mobility. End-to-end protocols are at an inherent disadvantage in trying to solve these...
Provided by Association for Computing Machinery
-
White Papers
TCP Variants and Transfer Time Predictability in Very High Speed Networks
Jan 2008
In high performance distributed computing applications, data movements have demanding performance requirements such as reliable and predictable delivery. Predicting the throughput of large...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Fairness Issues When Transferring Large Volumes of Data on High Speed Networks With Router-Assisted Transport Protocols
Jan 2008
This paper presents improvements of the eXplicit Control Protocol (XCP) in order to support fairness between XCP and TCP flows. The mechanism is based on two main components: estimations of the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Realistic Simulation of Network Protocols in VANET Scenarios
Jan 2008
Simulation of network protocol behavior in Vehicular Ad hoc NETwork (VANET) scenarios is the predominant basis for evaluating the applicability of particular protocols developed in the Mobile Ad...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
The Case for Ubiquitous Transport-Level Encryption
Jun 2010
Today, Internet traffic is encrypted only when deemed necessary. Yet modern CPUs could feasibly encrypt most traffic. Moreover, the cost of doing so will only drop over time. TCP-Crypt is a TCP...
Provided by Stanford University
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White Papers
Making Large Scale Deployment of RCP Practical for Real Networks
Jan 2008
The authors recently proposed the Rate Control Protocol (RCP) as a way to minimize download times (or flow-completion times). Simulations suggest that if RCP were widely deployed, downloads would...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Proxy Caching in Split TCP: Dynamics, Stability and Tail Asymptotics
Jan 2008
The split of a multihop, point to point TCP connection consists in replacing a plain, end-to-end TCP connection by a cascade of TCP connections. In such a cascade, connection n feeds connection...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
On TCP-Based SIP Server Overload Control
Aug 2010
The Session Initiation Protocol (SIP) server overload management has attracted interest since SIP is being widely deployed in the Next Generation Networks (NGN) as a core signaling protocol. Yet...
Provided by Association for Computing Machinery
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White Papers
Enhanced Server Fault Tolerance for Improved User Experience
Jan 2011
Interactive applications such as email, calendar, and maps are migrating from local desktop machines to data centers due to the many advantages offered by such a computing environment....
Provided by University of Colorado at Boulder
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White Papers
Supporting Predicate Routing in DTN Over MANET
Sep 2008
The authors consider a Delay Tolerant Network (DTN) whose users (Nodes) are connected by an underlying Mobile Ad hoc NETwork (MANET) substrate. Users can declaratively express high-level policy...
Provided by Association for Computing Machinery
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White Papers
Assessing the Security of a Clean-Slate Internet Architecture
Dec 2010
The TCP/IP architecture was originally designed without taking security measures into consideration. Over the years, it has been subjected to many attacks, which has led to many patches to counter...
Provided by Boston University
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White Papers
Masquerading a Wired Covert Channel Into a Wireless-Like Channel
Nov 2008
This paper presents a novel method to implement a covert channel that is based on inducing dynamics to convey a covert message. These dynamics are induced in a manner that emulates the normal...
Provided by Texas State University
-
White Papers
TCP-Compose - A TCP-Net Based Algorithm for Efficient Composition of Web Services Using Qualitative Preferences
Nov 2008
In many practical applications, trade-offs involving non-functional attributes e.g., availability, performance play an important role in selecting component services in assembling a feasible...
Provided by Springer Science+Business Media
-
White Papers
RAPID: Shrinking the Congestion-Control Timescale
May 2009
TCP congestion-control is fairly inefficient in achieving high throughput in high-speed and dynamic-bandwidth environments. The main culprit is the slow bandwidth-search process used by TCP, which...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Stochastic Analysis of Scalable TCP
May 2009
The unsatisfactory performance of TCP in high speed wide area networks has led to several versions of TCP - like H-TCP, Fast TCP, Scalable TCP, Compound or CUBIC, all aimed at speeding up the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Fast Information Retrieval in a Self-Organising P2P Network
Jul 2007
In this paper the authors present a formal description of PROSA, a P2P resource management system heavily inspired by social networks. Social networks have been deeply studied in the last two...
Provided by Academy Publisher
-
White Papers
SVEET! a Scalable Virtualized Evaluation Environment for TCP
Oct 2008
The ability to establish an objective comparison between high-performance TCP variants under diverse networking conditions and to obtain a quantitative assessment of their impact on the global...
Provided by Florida International University
-
White Papers
Considerations for Sizing Buffers in Optical Packet Switched Networks
May 2009
Optical packet switches of the foreseeable future are expected to have severely limited buffering capability, since storage of optical signals remains a difficult and expensive operation. The...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
TCP Revisited: A Fresh Look at TCP in the Wild
Nov 2009
Since the last in-depth studies of measured TCP traffic some 6- 8 years ago, the Internet has experienced significant changes, including the rapid deployment of backbone links with 1-2 orders of...
Provided by Association for Computing Machinery
-
White Papers
To Drop or Not to Drop: On the Impact of Handovers on TCP Performance
Jul 2008
This paper presents a comparison between two handover schemes: drop and forward. In the drop scheme, packets received by the base station after the host has disconnected are dropped, whereas in...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Step Towards Understanding Loss Synchronisation Between Concurrent TCP Flows
Jul 2008
Loss synchronisation between concurrent TCP flows could have significant impact on the performance of the Internet. Loss synchronisation could contribute to the unstable behaviour of the Internet...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Are Bigger Optical Buffers Necessarily Better?
Jul 2008
Conventional wisdom suggests that bigger switch buffers translate to lower packet loss. However, the authors have observed in simulations (using ns2) that buffer sizes in the range of interest for...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Towards a Virtualized Data Center Transport Protocol
Jul 2008
This paper proposes a new transport protocol designed for large virtualized data centers of the future. The underlying premise of this work is that it is possible to achieve significant added...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Loss Synchronization and Router Buffer Sizing With High-Speed Versions of TCP
Jul 2008
In this paper the authors are interested in looking at packet loss synchronization, and the related issue of buffer sizing, when the bulk of the traffic is composed of a moderate number of flows...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Tutorial on Cross-Layer Optimization in Wireless Networks
Jan 2011
This paper overviews recent developments in optimization based approaches for resource allocation problems in wireless systems. The authors begin by overviewing important results in the area of...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
On the Goodput of TCP NewReno in Mobile Networks
May 2010
Next-generation wireless networks such as LTE and WiMax can achieve throughputs of several Mbps with TCP. These higher throughputs, however, can easily be destroyed by frequent handoffs, which...
Provided by Virginia Tech
-
White Papers
Dynamic Right-Sizing in TCP
Jan 2011
With the widespread arrival of bandwidth-intensive applications such as bulk-data transfer, multi-media web streaming and computational grids for high-performance computing, networking performance...
Provided by University of California
-
White Papers
Monitoring Protocol Traffic With a MAGNeT
Jan 2011
Network researchers have traditionally focused on monitoring, measuring, and characterizing traffic in the network to gain insight into building critical network components (e.g., protocol stacks,...
Provided by Ohio State University
-
White Papers
Dynamically Tuning Level of Parallelism in Wide Area Data Transfers
Jun 2008
Using multiple parallel streams for wide area data transfers may yield much better performance than using a single stream, but overwhelming the network by opening too many streams may have an...
Provided by Association for Computing Machinery
-
White Papers
Prediction of Optimal Parallelism Level in Wide Area Data Transfers
Oct 2009
Wide area data transfers may be a major bottleneck for the end-to-end performance of distributed applications. A practical way of increasing the wide area throughput at the application layer is...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Data Throughput Prediction and Optimization Service for Widely Distributed Many-Task Computing
Nov 2009
In this paper, the authors present the design and implementation of a network throughput prediction and optimization service for many-task computing in widely distributed environments. This...
Provided by Association for Computing Machinery
-
White Papers
Balancing TCP Buffer Vs Parallel Streams in Application Level Throughput Optimization
Jun 2009
The end-to-end performance of TCP over wide-area may be a major bottleneck for large-scale network-based applications. Two practical ways of increasing the TCP performance at the application layer...
Provided by Association for Computing Machinery
-
White Papers
Measurement and Performance Study of PERT for On-Demand Video Streaming
Nov 2010
This paper demonstrates the performance of PERT, a new TCP congestion control, for video streaming. PERT stands for Probabilistic Early Response TCP. As a delay based protocol, it measures the...
Provided by Texas A&M University
-
White Papers
Performance of Quantized Congestion Notification in TCP Incast Scenarios of Data Centers
Jun 2010
This paper analyzes the performance of Ethernet layer congestion control mechanism Quantized Congestion Notification (QCN) during data access from clustered servers in data centers. The authors...
Provided by Texas A&M University
-
White Papers
Application-Layer Multipath Data Transfer Via TCP: Schemes and Performance Tradeoffs
Jun 2007
For applications involving data transmission from multiple sources, an important problem is: when sources are allowed to use multiple paths, how does one select paths and control the sending rates...
Provided by Reed Elsevier
-
White Papers
Structured Streams: A New Transport Abstraction
Aug 2007
Internet applications currently have a choice between stream and datagram transport abstractions. Datagrams efficiently support small transactions and streams are suited for long-running...
Provided by Massachusetts Institute of Technology
-
White Papers
On Performance Bottleneck of Anonymous Communication Networks
Oct 2007
Although a significant amount of effort has been directed at discovering attacks against anonymity communication networks and developing countermeasures to those attacks, there is little...
Provided by Texas A&M University
-
White Papers
TCP Performance in Flow-Based Mix Networks: Modeling and Analysis
Aug 2010
Anonymity technologies such as mix networks have gained increasing attention as a way to provide communication privacy. Mix networks were developed for message based applications such as email,...
Provided by Dakota State University
-
White Papers
A Class of New Protocol-Level Attacks Against Tor
Feb 2009
Tor is a real-world, circuit-based low-latency anonymous communication network, supporting TCP applications over the Internet. In this paper, the authors present a new class of attacks,...
Provided by University of Massachusetts Lowell
-
Whitepapers
Improving TCP's Robustness to Long Connectivity Disruptions
Oct 2008
TCP was designed with fixed, wired networks in mind. As a result TCP performs suboptimal in networks where changes to path characteristics are frequent, e.g., in wireless mesh networks. One reason...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Estimating Congestion Window With Misbehaving Client Using Proposed FACK
May 2012
Detect and fix a misbehaving TCP implementation/client that is trying to get more than its fair share of bandwidth by artificially acknowledging not received packets in order to advance the...
Provided by International Journal of Engineering Research & Technology (IJERT)
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Whitepapers
Congestive Loss in Wireless Ad Hoc Network
Aug 2011
Communication in wireless network is quite susceptible to mobility, nodes capacity and power consumption level. These might contributes to the major problem of TCP performance degradation where...
Provided by Universiti Teknikal Malaysia Melaka
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Whitepapers
Online Loss Differentiation Algorithm With One-Way Delay for TCP Performance Enhancement
Apr 2011
In this paper for the performance enhancement of TCP protocol in the mixed wired/wireless network, packet loss differentiation algorithm is proposed which distinguishes the nature of losses and...
Provided by International Journal of Computer Science and Network Security
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Whitepapers
Service Differentiation Through End-to-End Rate Control in Low Bandwidth Wireless Packet Networks
Nov 2007
With the increased commercial deployment of wireless networks, the issue of service differentiation among flows in a wireless/wireline network is becoming important. While many wireline solutions...
Provided by University of Illinois
-
Whitepapers
Cross-Layer Loss Differentiation Algorithms to Improve TCP Performance in WLANs
Apr 2012
Loss Differentiation Algorithms (LDA) are currently used to determine the cause of packet losses with an aim of improving TCP performance over wireless networks. In this paper, the authors propose...
Provided by University of Paris
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Whitepapers
Impact of Traffic Arrival Distributions on an 802.11 Ad Hoc Network: Modeling and Performance Study
May 2012
This paper investigates the impact of traffic arrival distributions on a typical 802.11 ad hoc network using simulation and modeling. In the investigation, four diverse traffic models...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
An Experimental Study on the Performance and Fairness of Loss Differentiation for TCP
Jan 2012
This paper investigates the performance and fairness of receiver-based loss differentiation for TCP. Experiments have been performed with a FreeBSD kernel implementation. As expected, the results...
Provided by Karlstad University
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Whitepapers
End-to-End Differentiation of Congestion and Wireless Losses
Jan 2012
In this paper, the authors explore end-to-end Loss Differentiation Algorithms (LDAs) for use with congestion-sensitive video transport protocols for networks with either backbone or last-hop...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Study of Multicast Congestion Control for UMTS
Jan 2009
In this paper, the authors study the applicability of multicast congestion control over Universal Mobile Telecommunications System (UMTS) networks. They analyze two well-known multicast congestion...
Provided by John Wiley & Sons
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Whitepapers
Congestion Control for Multicast Transmission Over UMTS
Sep 2007
In this paper, the authors present a novel mechanism for the multicast congestion control over Universal Mobile Telecommunications System (UMTS) networks. The proposed mechanism is based on the...
Provided by University of Patras
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Whitepapers
Estimating Packet Loss Rate in the Access Through Application-Level Measurements
Aug 2012
End user monitoring of quality of experience is one of the necessary steps to achieve an effective and winning control over network neutrality. The involvement of the end user, however, requires...
Provided by Association for Computing Machinery
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Whitepapers
Joint Hop-by-Hop and Receiver-Driven Interest Control Protocol for Content-Centric Networks
Aug 2012
Content-Centric Networking (CCN) advocates a new transport model tailored to named-data communication. Three features distinguish CCN transport from the TCP/IP model: unique endpoint at the...
Provided by Association for Computing Machinery
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Whitepapers
Optimizing TCP Performance Through Joint Channel Coding and Power Management in Power Constrained Satellite Networks
Oct 2008
In this paper an analytical framework is introduced for the optimization of TCP performance through joint channel coding and transmission power management in satellite communications, where both...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Performance Analysis of Datagram Congestion Control Protocol (DCCP)
Oct 2011
Applications like streaming audio, Internet telephony and multi-player online games prefer timeliness in packet delivery to reliability. TCP's reliability through packet retransmission and abrupt...
Provided by International Journal of Computer Theory and Engineering (IJCTE)
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Whitepapers
Simulation Base Analysis of TCP Reno and TCP Westwood Over IEEE 802.11 Wireless Ad Hoc Networks
Dec 2010
Mobile ad hoc networking has been a fast growing research area for the last few years. The need for a network when there is no fixed infrastructure is no more limited to military and emergency...
Provided by Kurukshetra University
-
Whitepapers
Understanding Bufferbloat in Cellular Networks
Aug 2012
Bufferbloat is a prevalent problem in the Internet where excessive buffers incur long latency, substantial jitter and sub-optimal throughput. This paper provides the first elaborative...
Provided by Association for Computing Machinery
-
Whitepapers
Cross-Layer Error Control Optimization in 3G LTE
Dec 2007
3G Long-Term Evolution (LTE) is a recent effort taken by cellular industries to step into wireless broadband market. The key enhancements target an introduction of new all-IP architecture,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Performance Improvement in Wireless Networks Using Cross-Layer ARQ
Jun 2007
This paper presents a novel cross-layer approach (LLE-TCP) designed for performance enhancement of TCP over a large variety of wireless networks. LLE-TCP avoids TCP ACK packet transmission over...
Provided by Reed Elsevier
-
Whitepapers
Context-Aware Receiver-Driven Retransmission Control in Wireless Local Area Networks
Aug 2009
Automatic Repeat reQuest (ARQ) techniques employed by leading wireless technologies aim at compensating the high error rates due to radio impairments, but do not offer any differentiated levels of...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Cognitive Information Service: Basic Principles and Implementation of a Cognitive Inter-Node Protocol Optimization Scheme
Mar 2010
Cognitive networks are becoming extremely popular in the network domain. This paper proposes a novel concept in cognitive network management and protocol configuration, where any protocol of the...
Provided by University of Trento
-
Whitepapers
TCP Kikolo for Performance Improvement in Highspeed Networks in Presence of Packet Losses
Nov 2010
TCP shows poor performance in high speed networks with large latencies as well as in wireless networks where link error rates are high. The main two factors degrading TCP performance are related...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
TCP-Aware Forward Error Correction for Wireless Networks
Nov 2010
This paper studies TCP performance improvement in wireless and heterogeneous networks using Forward Error Correction (FEC) technique driven by TCP semantics. In the proposed scheme, called...
Provided by Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering
-
Whitepapers
CogProt: A Framework for Cognitive Configuration and Optimization of Communication Protocols
Nov 2010
Advancements in network technologies dramatically increased management complexity. Cognitive networking was introduced to deal with this problem, by providing algorithms for autonomous network...
Provided by Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering
-
Whitepapers
Cross-Layer Error Recovery in Wireless Access Networks: The ARQ Proxy Approach
Feb 2011
Wireless networks are being increasingly employed to provide mobile access to network services. In most existing standards, reliable transmission on the wireless medium is achieved through the...
Provided by John Wiley & Sons
-
Whitepapers
Performance of High-Speed TCP Applications in Networks With Very Small Buffers
Oct 2007
In the on-going debate on how large Internet router buffers should be, of particular interest is a recent claim that 10-50 packets of buffering suffice, permitting all-optical buffering in the...
Provided by University of New South Wales
-
Whitepapers
Routers With Very Small Buffers: Anomalous Loss Performance for Mixed Real-Time and TCP Traffic
Mar 2008
The past few years have seen researchers debate the size of buffers required at core Internet routers. Much of this debate has focused on TCP throughput, and recent arguments supported by theory...
Provided by University of New South Wales
-
Whitepapers
Shared Versus Dedicated Buffers for Real-Time Traffic in Optical Routers With Very Small Buffers
Oct 2008
When TCP and real-time (UDP) traffic multiplex at an optical packet router with very small buffers (less than 50 KiloBytes), the authors recently showed that UDP packet losses can increase with...
Provided by University of New South Wales
-
Whitepapers
Perspectives on Router Buffer Sizing: Recent Results and Open Problems
Feb 2009
The past few years have witnessed a lot of debate on how large Internet router buffers should be. The widely believed rule-of-thumb used by router manufacturers today mandates a buffer size equal...
Provided by University of New South Wales
-
Whitepapers
Sharing Small Optical Buffers Between Real-Time and TCP Traffic
Sep 2009
Buffers in emerging optical packet routers are expensive resources, and it is expected that they would be able to store at most a few tens of KiloBytes of data in the optical domain. When TCP and...
Provided by University of New South Wales
-
Whitepapers
A Refined New Model for Efficient Explicit Congestion Reduction in High Traffic High Speed Networks Through Automated Rate Controlling
Dec 2009
The Transmission Control Protocol (TCP) suffers from poor performance on high bandwidth delay product links meant for supporting data transmission rates of multi Gigabits per seconds (Gbps)....
Provided by Kurukshetra University
-
Whitepapers
A QSPS -PSR Approach on Differentiated TCP Flows for Internet Traffic
Dec 2010
According to the recent Internet traffic measurements the majority of the TCP flows are short lived. Use of short flow highest priority scheduling provides the performance improvement in the...
Provided by Kurukshetra University
-
Whitepapers
An Enhancement to TCPW BBE by Modifying the Bandwidth Estimation Using Modified EWMA
Jun 2012
Transport Control Protocol (TCP), the dominantly used transport protocol, execute well over wired networks. As far as wireless network is brought into use, TCP should be altered to work with...
Provided by International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
-
Whitepapers
AODV, DSDV Performance Analysis With TCP Reno, TCP Vegas, and TCP-NJplus Agents of Wireless Networks on Ns2
Jul 2012
When there is no infrastructure in the network, then mobile ad hoc network is the best choice which is also less costly and easily deployable as in comparison. In such networks, in order to make...
Provided by International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
-
Whitepapers
Implementation and Evaluation of Coupled Congestion Control for Multipath TCP
Jul 2012
Multipath TCP (MPTCP) is an experimental protocol currently under standardization in the IETF. MPTCP allows to use multiple TCP connections for one data transmission if at least one of the...
Provided by International Federation for Information Processing
-
Whitepapers
An Optical Burst Reordering Model for Time-Based and Random Selection Assembly Strategies
Nov 2010
Contention resolution schemes in Optical Burst Switched networks (OBS) as well as contention avoidance schemes delay burst delivery and change the burst arrival sequence. The burst arrival...
Provided by Reed Elsevier
-
Whitepapers
Multipath Transmission for Wireless Internet Access - From an End-to-End Transport Layer Perspective
Dec 2011
With the growing demand of Internet services, network operators have put significant efforts to improve network error resilience and efficiency. Since there exist different wired/wireless...
Provided by University of Waterloo
-
Whitepapers
Internet Protocol in the Service of Streaming
May 2010
One way, how to deal with the packet losses for video transmitted over congested network is using connection-oriented, end-to-end reliable protocol. In this paper, the authors focused on...
Provided by Technicka univerzita v Kosiciach
-
Whitepapers
A Study of Hardware Assisted IP Over InfiniBand and Its Impact on Enterprise Data Center Performance
Jan 2010
High-performance sockets implementations such as the Sockets Direct Protocol (SDP) have traditionally showed major performance advantages compared to the TCP/IP stack over InfiniBand (IPoIB)....
Provided by Argonne National Laboratory
-
Whitepapers
IWARP Redefined: Scalable Connectionless Communication Over High-Speed Ethernet
Aug 2010
iWARP represents the leading edge of high performance Ethernet technologies. By utilizing an asynchronous communication model, iWARP brings the advantages of OS bypass and RDMA technology to...
Provided by Argonne National Laboratory
-
White Papers
TCP-Compose - A TCP-Net Based Algorithm for Efficient Composition of Web Services Using Qualitative Preferences
Nov 2008
In many practical applications, trade-offs involving non-functional attributes e.g., availability, performance play an important role in selecting component services in assembling a feasible...
Provided by Springer Science+Business Media
-
White Papers
RAPID: Shrinking the Congestion-Control Timescale
May 2009
TCP congestion-control is fairly inefficient in achieving high throughput in high-speed and dynamic-bandwidth environments. The main culprit is the slow bandwidth-search process used by TCP, which...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Stochastic Analysis of Scalable TCP
May 2009
The unsatisfactory performance of TCP in high speed wide area networks has led to several versions of TCP - like H-TCP, Fast TCP, Scalable TCP, Compound or CUBIC, all aimed at speeding up the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Fast Information Retrieval in a Self-Organising P2P Network
Jul 2007
In this paper the authors present a formal description of PROSA, a P2P resource management system heavily inspired by social networks. Social networks have been deeply studied in the last two...
Provided by Academy Publisher
-
White Papers
SVEET! a Scalable Virtualized Evaluation Environment for TCP
Oct 2008
The ability to establish an objective comparison between high-performance TCP variants under diverse networking conditions and to obtain a quantitative assessment of their impact on the global...
Provided by Florida International University
-
White Papers
Considerations for Sizing Buffers in Optical Packet Switched Networks
May 2009
Optical packet switches of the foreseeable future are expected to have severely limited buffering capability, since storage of optical signals remains a difficult and expensive operation. The...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
TCP Revisited: A Fresh Look at TCP in the Wild
Nov 2009
Since the last in-depth studies of measured TCP traffic some 6- 8 years ago, the Internet has experienced significant changes, including the rapid deployment of backbone links with 1-2 orders of...
Provided by Association for Computing Machinery
-
White Papers
To Drop or Not to Drop: On the Impact of Handovers on TCP Performance
Jul 2008
This paper presents a comparison between two handover schemes: drop and forward. In the drop scheme, packets received by the base station after the host has disconnected are dropped, whereas in...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Step Towards Understanding Loss Synchronisation Between Concurrent TCP Flows
Jul 2008
Loss synchronisation between concurrent TCP flows could have significant impact on the performance of the Internet. Loss synchronisation could contribute to the unstable behaviour of the Internet...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Are Bigger Optical Buffers Necessarily Better?
Jul 2008
Conventional wisdom suggests that bigger switch buffers translate to lower packet loss. However, the authors have observed in simulations (using ns2) that buffer sizes in the range of interest for...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Towards a Virtualized Data Center Transport Protocol
Jul 2008
This paper proposes a new transport protocol designed for large virtualized data centers of the future. The underlying premise of this work is that it is possible to achieve significant added...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Loss Synchronization and Router Buffer Sizing With High-Speed Versions of TCP
Jul 2008
In this paper the authors are interested in looking at packet loss synchronization, and the related issue of buffer sizing, when the bulk of the traffic is composed of a moderate number of flows...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Tutorial on Cross-Layer Optimization in Wireless Networks
Jan 2011
This paper overviews recent developments in optimization based approaches for resource allocation problems in wireless systems. The authors begin by overviewing important results in the area of...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
On the Goodput of TCP NewReno in Mobile Networks
May 2010
Next-generation wireless networks such as LTE and WiMax can achieve throughputs of several Mbps with TCP. These higher throughputs, however, can easily be destroyed by frequent handoffs, which...
Provided by Virginia Tech
-
White Papers
Dynamic Right-Sizing in TCP
Jan 2011
With the widespread arrival of bandwidth-intensive applications such as bulk-data transfer, multi-media web streaming and computational grids for high-performance computing, networking performance...
Provided by University of California
-
White Papers
Monitoring Protocol Traffic With a MAGNeT
Jan 2011
Network researchers have traditionally focused on monitoring, measuring, and characterizing traffic in the network to gain insight into building critical network components (e.g., protocol stacks,...
Provided by Ohio State University
-
White Papers
Dynamically Tuning Level of Parallelism in Wide Area Data Transfers
Jun 2008
Using multiple parallel streams for wide area data transfers may yield much better performance than using a single stream, but overwhelming the network by opening too many streams may have an...
Provided by Association for Computing Machinery
-
White Papers
Prediction of Optimal Parallelism Level in Wide Area Data Transfers
Oct 2009
Wide area data transfers may be a major bottleneck for the end-to-end performance of distributed applications. A practical way of increasing the wide area throughput at the application layer is...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Data Throughput Prediction and Optimization Service for Widely Distributed Many-Task Computing
Nov 2009
In this paper, the authors present the design and implementation of a network throughput prediction and optimization service for many-task computing in widely distributed environments. This...
Provided by Association for Computing Machinery
-
White Papers
Balancing TCP Buffer Vs Parallel Streams in Application Level Throughput Optimization
Jun 2009
The end-to-end performance of TCP over wide-area may be a major bottleneck for large-scale network-based applications. Two practical ways of increasing the TCP performance at the application layer...
Provided by Association for Computing Machinery
-
White Papers
Measurement and Performance Study of PERT for On-Demand Video Streaming
Nov 2010
This paper demonstrates the performance of PERT, a new TCP congestion control, for video streaming. PERT stands for Probabilistic Early Response TCP. As a delay based protocol, it measures the...
Provided by Texas A&M University
-
White Papers
Performance of Quantized Congestion Notification in TCP Incast Scenarios of Data Centers
Jun 2010
This paper analyzes the performance of Ethernet layer congestion control mechanism Quantized Congestion Notification (QCN) during data access from clustered servers in data centers. The authors...
Provided by Texas A&M University
-
White Papers
Application-Layer Multipath Data Transfer Via TCP: Schemes and Performance Tradeoffs
Jun 2007
For applications involving data transmission from multiple sources, an important problem is: when sources are allowed to use multiple paths, how does one select paths and control the sending rates...
Provided by Reed Elsevier
-
White Papers
Structured Streams: A New Transport Abstraction
Aug 2007
Internet applications currently have a choice between stream and datagram transport abstractions. Datagrams efficiently support small transactions and streams are suited for long-running...
Provided by Massachusetts Institute of Technology
-
White Papers
On Performance Bottleneck of Anonymous Communication Networks
Oct 2007
Although a significant amount of effort has been directed at discovering attacks against anonymity communication networks and developing countermeasures to those attacks, there is little...
Provided by Texas A&M University
-
White Papers
TCP Performance in Flow-Based Mix Networks: Modeling and Analysis
Aug 2010
Anonymity technologies such as mix networks have gained increasing attention as a way to provide communication privacy. Mix networks were developed for message based applications such as email,...
Provided by Dakota State University
-
White Papers
A Class of New Protocol-Level Attacks Against Tor
Feb 2009
Tor is a real-world, circuit-based low-latency anonymous communication network, supporting TCP applications over the Internet. In this paper, the authors present a new class of attacks,...
Provided by University of Massachusetts Lowell
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White Papers
Link Quality Estimated TCP for Wireless Sensor Networks
Nov 2008
In a large-scale sensor network individual sensors can be compromised to inject bogus sensing reports. While SEF can filter out the outfield false reports, it is incapable of detecting the...
Provided by Academy Publisher
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White Papers
Increasing Communications Security Through Protocol Parameter Diversity
Jan 2011
Pulsing attacks use carefully synchronized high-rate low-duration bursts of traffic that are injected into a network to induce denial-of-service. These attacks are effective because the bursts...
Provided by University of New Mexico
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White Papers
Understanding BGP Session Robustness in Bandwidth Saturation Regime
Jan 2011
The reliability and robustness of the Border Gateway Protocol (BGP) play very important roles in achieving highly stable and prompt Internet data communication. The present BGP uses TCP/IP to...
Provided by University of Illinois
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White Papers
Client-Centered, Energy-Efficient Wireless Communication on IEEE 802.11b Networks
Jan 2011
In mobile devices, the Wireless Network Interface Card (WNIC) consumes a significant portion of overall system energy. One way to reduce energy consumed by a device is to transition its WNIC to a...
Provided by University of Georgia
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White Papers
Dynamic TCP Proxies: Coping With Disadvantaged Hosts in MANETs
Apr 2009
Applications in mobile ad-hoc networks can suffer from poor link quality and degraded network services. In particular, standard TCP over low-quality, long routing paths, can have disproportionally...
Provided by Case Western Reserve University
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White Papers
Low-Resource Routing Attacks Against Tor
Oct 2007
Tor has become one of the most popular overlay networks for anonymizing TCP traffic. Its popularity is due in part to its perceived strong anonymity properties and its relatively low latency...
Provided by Association for Computing Machinery
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White Papers
Designing NFS With RDMA for Security, Performance and Scalability
Jan 2011
NFS has traditionally used TCP or UDP as the underlying transport. However, the overhead of these stacks has limited both the performance and scalability of NFS. Recently, high-performance network...
Provided by Ohio State University
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White Papers
Advanced Flow-Control Mechanisms for the Sockets Direct Protocol Over InfiniBand
May 2007
The Sockets Direct Protocol (SDP) is an industry standard to allow existing TCP/IP applications to be executed on high-speed networks such as InfiniBand (IB). Like many other high-speed networks,...
Provided by Ohio State University
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Whitepapers
HAIPE Compliant TCP Performance Enhancing Proxy for Bandwidth-on-Demand Environment
Oct 2008
IP layer encryption introduces substantial challenges for Bandwidth on Demand satellite communication. The authors' solution, namely Broadband HAIPE-embeddable SATCOM Terminal (BHeST), utilizes...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Supporting Reliable and Secure Transport Services Over DVB-RCS Satellite Systems Using XCP
Sep 2008
The DVB-RCS standard provides a framework for Multi-Frequency TDMA (MF-TDMA) and dynamic resource (frequencies and time slots) allocation over satellite links. Nevertheless, MF-TDMA and dynamic...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Analysis of ECN on TCP Performance Enhancing Proxy Performance for Satellite Networks
Sep 2008
TCP has been a robust and efficient protocol for data communication in the terrestrial wired networks for more than a couple of decades now. However, TCP is very inefficient over high delay and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Media Tablets in the Enterprise
Mar 2011
Tablets bring several benefits, like increased productivity and flexibility. But they also bring security and manageability challenges. According to a commissioned study conducted by Forrester...
Provided by Dell, Inc., Intel, Inc. & Citrix Systems
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White Papers
Network Simulation Via Hybrid System Modeling: A Time-Stepped Approach
Dec 2008
The ever increasing complexity of networks dramatically increases the challenges faced by service providers to analyze network behavior and (re)provision resources to support multiple complex...
Provided by Vanderbilt University
