Method and apparatus for routing and congestion control in multi

Electrical computers and digital processing systems: multicomput – Computer-to-computer protocol implementing – Computer-to-computer data transfer regulating

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Details

Other Related Categories

709224, 709232, 709238, 370229, 370254, G06F 1300

Type

Patent

Status

active

Patent number

061516333

Description

ABSTRACT:
An embodiment consistent with the present invention includes a method and apparatus for distributing multicast data. The method may be performed by a data processor and comprises the steps of forming a multicast repair tree including a sender, a plurality of heads, and a plurality of receivers, wherein at least one head is associated with the sender and at least one receiver is associated with the head; sending, by a sender to the plurality of heads and the plurality of receivers, a plurality of multicast messages at a data rate; receiving, by the sender from one of the plurality of heads, a congestion status associated with a receiver of the head; and slowing the data rate, by the sender, in accordance with the congestion status.

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D. Katz, RFC 2113 entitled "IP Router Alert Option", published Feb. 1997.
Douglas E. Comer, Chapter 17, entitled "Multicast Addressing (IGMP)" in Book entitled "Internetworking with TCP/IP vol. 1 Principles, Protocols, and Architecture" 2.sup.nd Edition, published by Prentice Hall, 1991, pp. 281-290.
D. DeLucia and K. Obraczka, "Multicast Feedback Suppression Using Representatives", Infocom '97, 16.sup.th Annual Joint Conference of the IEEE Apr. 7-12, 1997, pp. 463-470.

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