congestion collapse

congestion collapse
отказ (коллапс) сети из-за заторов (перегрузки)
в сети, например ATM, - ситуация, когда из-за многочисленных повторных передач успешно проходит лишь малая часть трафика либо сеть вообще "встаёт". Отказ подобного вида часто происходит в сетях, где коммутаторы не имеют адекватных и эффективных механизмов буферизации, дополненных интеллектуальными средствами отбрасывания пакетов или средствами обратной связи и контроля заторов

Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.

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  • Congestion control — This article concerns telecommunications traffic. For road traffic, see traffic congestion. Congestion control concerns controlling traffic entry into a telecommunications network, so as to avoid congestive collapse by attempting to avoid… …   Wikipedia

  • Network congestion — In data networking and queueing theory, network congestion occurs when a link or node is carrying so much data that its quality of service deteriorates. Typical effects include queueing delay, packet loss or the blocking of new connections. A… …   Wikipedia

  • Congestive collapse — (or congestion collapse) is a condition which a packet switched computer network can reach, when little or no useful communication is happening due to congestion.When a network is in such a condition, it has settled (under overload) into a stable …   Wikipedia

  • TCP congestion avoidance algorithm — The TCP uses a network congestion avoidance algorithm that includes various aspects of an additive increase multiplicative decrease (AIMD) scheme, with other schemes such as slow start in order to achieve congestion avoidance. TCP Tahoe and Reno… …   Wikipedia

  • Network congestion avoidance — is a process used in computer networks to avoid congestion.The fundamental problem is that all network resources are limited, including router processing time and link throughput. Eg.: *today s (2006) Wireless LAN effective bandwidth throughput… …   Wikipedia

  • Big Dig ceiling collapse — Boston traffic snakes over a closed Ted Williams Tunnel entrance in Boston during rush hour July 11, 2006, a day after the collapse. The Big Dig ceiling collapse occurred on July 10, 2006, when a concrete ceiling panel weighing 3 tons… …   Wikipedia

  • Quality of service — In the field of computer networking and other packet switched telecommunication networks, the traffic engineering term quality of service (QoS) refers to resource reservation control mechanisms rather than the achieved service quality. Quality of …   Wikipedia

  • User Datagram Protocol — (UDP) is one of the core protocols of the Internet Protocol Suite. Using UDP, programs on networked computers can send short messages sometimes known as datagrams (using Datagram Sockets) to one another. UDP is sometimes called the Universal… …   Wikipedia

  • Internetwork protocol — In networking, a communications protocol or network protocol is the specification of a set of rules for a particular type of communication.Multiple protocols often describe different aspects of a single communication. A group of protocols… …   Wikipedia

  • Cascade failure — A cascade failure is a series of events on the internet in which network traffic is severely impaired or halted, to or between larger sections of the internet, caused by failing or disconnected hardware or software. Somewhat similar to the more… …   Wikipedia

  • Fairness measure — Fairness measures or metrics are used in network engineering to determine whether users or applications are receiving a fair share of system resources. There are several mathematical and conceptual definitions of fairness. NOTOC TCP… …   Wikipedia


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