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congestion management

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COCOON: An Alternative Approach to End-Point Congestion Management: This paper proposes an alternate endpoint congestion management scheme, called COordinated COngestion cONtrol COCOON. The basic idea is to identify and group connections that may traverse the same backbone link, to enable them to share congestion information, and to coordinate among them all the congestion avoidance/control activities. The size of...; Tags: Congestion, Connection, COCOON, Congestion Management, Idea, Tcp/Ip, Networking, Construction, Telecommunications; White papers

Additional Resources

Congestion Propagation Among Routers in the Internet: In recent years, various non-linear phenomena of the Internet have been discovered. For instance, it is reported that congestion of a router propagates to neighboring routers like a wave. Several researches on congestion propagation among routers have been performed. However, in these researches, cause of congestion propagation and condition that...; Tags: Internet, Router, Congestion Propagation, Routers & Switches, Network Technology, Networking; White papers 2007-11-16
De-Randomizing Congestion Losses to Improve TCP Performance Over Wired-Wireless Network: Currently, a TCP sender considers all losses as congestion signals and reacts to them by throttling its sending rate. With Internet becoming more heterogeneous with more and more wireless error-prone links, a TCP connection may unduly throttle its sending rate and experience poor performance over paths experiencing random losses unrelated...; Tags: Idea, Congestion, TCP, Congestion Loss, Tcp/Ip, Networking; White papers 2007-01-01
"De-Randomizing" Congestion Losses to Improve TCP Performance Over Wired-Wireless Networks: Currently, a TCP sender considers all losses as congestion signals and reacts to them by throttling its sending rate. With Internet becoming more heterogeneous with more and more wireless error-prone links, a TCP connection may unduly throttle its sending rate and experience poor performance over paths experiencing random losses unrelated...; Tags: Congestion, TCP, Congestion Loss, Idea, Tcp/Ip, Networking; White papers 2007-01-01
Congestion Control Advancements in Linux: This paper describes the recent advancements in network congestion control in the Linux kernel. Specifically the paper focuses on the TCP congestion framework, and the implementation of the DCCP protocol stack. Linux has had multiple TCP congestion methods added to it and the subsequent growth of the codebase has made...; Tags: Congestion, TCP, Tcp/Ip, Linux, Networking, Operating Systems, Open Source, Software; White papers 2005-11-22

Congestion Control Algorithms of TCP in Emerging Networks: This paper examines some of the challenges faced by the congestion control algorithms of TCP in emerging networks. Three main issues are focused. First, it proposes TCP with delayed congestion response (TCP-DCR), for improving performance in the presence of non-congestion events. Second, the paper proposes Layered TCP LTCP, which modifies...; Tags: Algorithm, Network, Congestion, TCP, Tcp/Ip, Networking; White papers 2006-08-01
Collaborative Congestion Control in Parallel TCP Flows: This paper suggests a new congestion control scheme in parallel TCP flows and compares it with single-flow based congestion control approaches in the Internet. When a node opens multiple connections that are going to the same or nearby destinations, one can assume that there is a significant correlation of congestion...; Tags: Congestion, TCP, Tcp/Ip, Networking; White papers 2005-08-09
Modified TCP Congestion Control Algorithm for Throughput Enhancement in Wired-Cum-Wireless Networks: The key idea proposed in this paper is to determine the Optimal Congestion Window for a TCP Sender in a particular network scenario that corresponds to the fair share of that connection and keep this congestion window a constant to a point where the fair share in the network has...; Tags: Algorithm, Mechanism, Network, TCP, Tcp/Ip, Networking; White papers 2006-10-08
Congestion Control in Linux TCP: The TCP protocol is used by the majority of the network applications on the Internet. TCP performance is strongly influenced by its congestion control algorithms that limit the amount of transmitted traffic based on the estimated network capacity and utilization. Because the freely available Linux operating system has gained popularity...; Tags: Network, Congestion, TCP, TCP Performance, TCP Protocol, Tcp/Ip, Linux, Networking, UNIX, Operating Systems, Open Source, Software; White papers
TCP Congestion Control Over 3G Communication Systems: An Experimental Evaluation of New Reno, BIC and Westwood+: One of TCP's key tasks is to react and avoid network congestion episodes which nor-mally arise in packet switched networks. A wide literature is available concerning the behaviour of congestion control algorithms in many different scenarios and several congestion control algorithms have been proposed in order to improve performances in...; Tags: Algorithm, Literature, Congestion, 3G, TCP, Tcp/Ip, Engineering, Networking; White papers 2007-04-17
Issues in Performance Evaluation of New TCP Stacks in High Speed Networks: TCP congestion control has been designed to ensure Internet stability along with fair and efficient allocation of the network bandwidth. With the spreading of high-speed and long-distance networks, the standard TCP congestion control algorithm showed some limitations in exploiting full bandwidth utilization. During the last few years, many new congestion...; Tags: Performance, Network, Congestion, Performance Evaluation, TCP, Tcp/Ip, Networking; White papers 2005-05-01
MTCP: Scalable TCP-Like Congestion Control for Reliable Multicast: The paper presents MTCP, a congestion control scheme for large-scale reliable multicast. Congestion control for reliable multicast is important, because of its wide applications in multimedia and collaborative computing, yet nontrivial, because of the potentially large number of receivers involved. Many schemes have been proposed to handle the recovery of...; Tags: Multicast, Congestion, TCP, Tcp/Ip, Productivity, Networking; White papers 2007-01-01
An Experimental Investigation of the Congestion Control Used by Skype VoIP: The explosive growth of VoIP traffic poses a potential challenge to the stability of the Internet that, up to now, has been guaranteed by the TCP congestion control. This paper investigates how Skype behaves in the presence of time-varying available bandwidth in order to discover if some sort of congestion...; Tags: Bandwidth, VoIP, Congestion, Skype Technologies S.A., Tcp/Ip, Networking; White papers 2007-03-06
A TCP With Guaranteed Performance in Networks With Dynamic Congestion and Random Wireless Losses: It is well-known that TCP performs poorly in the presence of packet losses happening for reasons other than Internet congestion. One increasingly important source of such errors is wireless links. In this paper, networks are studied where the congestion - and thus the bandwidth available to a host - varies...; Tags: Performance, Network, Congestion, TCP, Wireless, Tcp/Ip, Networking; White papers 2006-07-18
TCP/IP Interaction Based on Congestion Price: Stability and Optimality: Despite the large body of work studying congestion control and adaptive routing in isolation, much less attention has been paid to whether these two resource-allocation mechanisms work well together to optimize user performance. Most analysis of congestion control assumes static routing, and most studies of adaptive routing assume the offered...; Tags: Princeton University, Congestion, Tcp/Ip, Engineering, Performance Management, Network Technology, Networking, Human Resources, Workforce Management; White papers 2005-09-25
Sender Side Intelligence for TCP Throughput Enhancement in Wired-Cum-Wireless Network: Performance of the TCP Congestion Control Algorithm has been the focus of research over the last decade. This paper proposes modifications to TCP Congestion Control to improve its performance in wired-cum-wireless networks. The key idea to determine the Optimal Congestion Window for a TCP Sender, in a particular network scenario...; Tags: Network, TCP, Tcp/Ip, Networking; White papers 2007-06-13
The Role of Buffer Management in Controlling the Effects of Congestion over 10 GbE Links: This white paper describes the rationale for providing switch/routers with port buffers that are scaled to the expected delay-bandwidth product DBP. DBP-sized buffers, together with RED congestion avoidance, can be used to optimize the utilization of congested links by TCP applications.; Tags: Force10 Networks Inc., Congestion, Tcp/Ip, Networking; White papers 2006-05-01
TCP-Friendly Many-to-Many End-to-End Congestion Control: The paper addresses the issue of TCP-friendly congestion control mechanism for many-to-many communication environment. Lack of congestion control inhibits deployment of WAN applications that involve collaboration of groups of processes in the Internet environment. Recent efforts targeted unicast WAN congestion control TFRC. The paper extends that approach to multicast many-to-many...; Tags: Congestion, WANs, Middleware, Networking, Enterprise Software, Software; White papers 2007-01-01
Fuzzy Green: A Modified TCP Equation-Based Active Queue Management Using Fuzzy Logic Approach: Congestion control provides quality of service over the best effort networks. Congestion occurred when arrival rate to a router is greater than its departure rate. In this paper, using fuzzy logic approach, a modified TCP equation-based active queue management mechanism is proposed which is based on traditional GREEN algorithm. The...; Tags: Router, Congestion, TCP, Tcp/Ip, Routers & Switches, Networking, Network Technology; White papers 2006-05-01
Performance Evaluation of TCP Congestion Control Algorithms Over UMTS: TCP congestion control was designed and optimized for wired networks. During recent years, however, the popularity of wireless network infrastructures enabling ubiquitous Internet access, such as Universal Mobile Telecommunication System UMTS, has grown considerably. As a consequence, many improved TCP congestion control algorithms, able to effectively operate over hybrid wired/wireless...; Tags: Algorithm, UMTS, Performance, Network, Congestion, Performance Evaluation, TCP, Tcp/Ip, Networking, Wireless; White papers 2006-03-02

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