نتایج جستجو برای: congestion control

تعداد نتایج: 1344046  

Journal: :international journal of smart electrical engineering 2013
s.a hashemi zadeh a.a gharaveisi gh shahgholian

in the deregulated power systems, transmission congestion is one of the significant and main problems of the electrical networks which can cause incremental cost in the energy. this problem has resulted to new challenging issues in different parts of power systems which there was not in the traditional systems or at least had very little importance. transmission congestion happens when the maxi...

1999
Hiroyuki Ohsaki Masayuki Murata Toshimitsu Ushio Hideo Miyahara

A window-based flow control mechanism is a sort of feedback-based congestion control mechanisms, and has been widely used in current TCP/IP networks. Recently proposed TCP Vegas is another version of the TCP mechanism and has potential to achieve much better performance than current TCP Tahoe and Reno. However, it has not been fully investigated how to determine control parameters of TCP Vegas....

1988
K. K. Ramakrishnan R. Jain

We propose a scheme for congestion avoidance in networks using a connectionless protocol at the network layer. The scheme uses feedback from the network to the users of the network. The interesting challenge for the scheme is to use a minimal amount of feedback (one bit in each packet) from the network to adjust the amount of traffic allowed into the network. The servers in the network detect c...

2006
Belinda A. Chiera

This paper addresses the problem of congestion control for transmission control protocol (TCP) traffic in the Internet. The method proposed builds on the ideas of TCP Vegas, a true feedback control approach to congestion management of TCP traffic. The new method is based on an adaptive linear quadratic Gaussian (LQG) formulation which uses an extended least squares system identification algorit...

2016
Bryce Cronkite-Ratcliff Aran Bergman Shay Vargaftik Madhusudhan Ravi Nick McKeown Ittai Abraham Isaac Keslassy

New congestion control algorithms are rapidly improving datacenters by reducing latency, overcoming incast, increasing throughput and improving fairness. Ideally, the operating system in every server and virtual machine is updated to support new congestion control algorithms. However, legacy applications often cannot be upgraded to a new operating system version, which means the advances are of...

Journal: :Ad Hoc Networks 2015
August Betzler Carles Gomez Ilker Demirkol Josep Paradells Aspas

The Constrained Application Protocol (CoAP) has been designed by the Internet Engineering Task Force (IETF) for Internet of Things (IoT) devices. Due to the limited radio channel capacities and hardware resources of such devices, congestion can be a serious problem. CoAP addresses this important issue with a basic congestion control mechanism. CoCoA, an Internet-Draft proposal, introduced alter...

2011
Hiroki Oda Hiroyuki Hisamatsu Hiroshi Noborio

In recent years, video streaming services over TCP, such as YouTube, have become more and more popular. TCP NewReno, the current TCP standard, performs greedy congestion control, which increases the congestion window size until packet loss occurs. Therefore, because TCP transmits data at a much higher rate than the video playback rate, the probability of packet loss in the network increases, wh...

2000
Célio Vinicius N. de Albuquerque Brett J. Vickers Tatsuya Suda

The end-to-end nature of Internet congestion control is an important factor in its scalability and robustness. However, end-to-end congestion control algorithms alone are incapable of preventing the congestion collapse and unfair bandwidth allocations created by applications which are unresponsive to network congestion. In this paper, we propose and investigate a new congestion avoidance mechan...

2009
A. Arcia

This document describes a possible congestion control mechanism for acknowledgement traffic (ACKs) in TCP. The document specifies an end-to-end acknowledgement congestion control mechanism for TCP that uses participation from both TCP hosts, the TCP data sender and the TCP data receiver. The TCP data sender detects lost or ECN-marked ACK packets, and tells the TCP data receiver the ACK Ratio R ...

2007
Andrea Calvagna Giuseppe Tropea

Active monitoring of a network’s congestion level can be coupled with network-level traffic control to maximise usage of bandwidth resources and avoid congestion. Explicit signalling between nodes has been introduced in literature to enable novel congestion control schemes. In this paper, we present a hybrid scheme to support distributed congestion avoidance, in which explicit feedback signalli...

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