Method and apparatus for controlling cell transmission rate in a

Details Method and apparatus for controlling cell transmission rate in a Method and apparatus for controlling cell transmission rate in a

1996-04-01

1998-07-07

Kizou, Hassan

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370236, 370409, H04L 1256

Patent

active

057779848

ABSTRACT:
A cell based network (100) for transmitting cells (118), including data cells and control cells at predetermined cell rates from at least one user source (102) in a virtual connection, VC (110), through at least one switch (120) and at least one transmission link (130) in the network to at least one user destination (104) employs a method for controlling a user source (102) transmission cell rate in the presence of congestion in the VC (110). The calculation of a Fair.sub.-- Share value of the Explicit Rate (ER) that is written into a backward control cell takes place only in the presence of congestion at either an Ingress Switch Port (141) or on an Egress Physical Port (162) connected to the Switch (120).

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patent: 5633859 (1997-05-01), Jain et al.
patent: 5633861 (1997-05-01), Hanson et al.
"The ATM Forum Newsletter." Education Comer Jill Kaufman, IBM North America Market Awareness Committee Chair, Education Working Group. Oct. 1995. V. 3. Issue 4.
"Congestion Control and Traffic Management in ATM Networks: Recent Advances and A Survey." By Raj Jain. Department of Computer and Information Science. The Ohio State University. Columbus, Ohio 43210. Email: Jain@ACM.Org. Draft version: Jan. 26, 1995.
"Traffic Management Specification Version 4.0.".

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