Method to estimate the current datapacket rate of a virtual conn

Details Method to estimate the current datapacket rate of a virtual conn Method to estimate the current datapacket rate of a virtual conn

1997-03-20

1998-12-08

Nguyen, Chau

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370252, H04Q 1104

Patent

active

058480560

ABSTRACT:
A method is described to estimate the current datapacket rate CCR.sub.i called herein current cell rate, of a connection out of a plurality of connections which are carrying datapackets via a multiplexed transmission channel in a communication network. The method includes the steps of storing in a buffer (B) incoming datapackets of the connections, determining the total number of datapackets BC.sub.TO in the buffer (B), determining the number of datapackets of the connection BC.sub.i in the buffer (B), measuring an aggregate input datapacket rate C.sub.IN of the buffer and estimating the current datapacket rate CCR.sub.i via the formulae: ##EQU1##

REFERENCES:
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patent: 5515359 (1996-05-01), Zheng
patent: 5633859 (1997-05-01), Jain et al.
"Admission Control and Routing in ATM Networks Using Inferences from Measured Buffer Occupancy" by Courcoubetis et al, IEEE Trans. Feb./Apr., Nos. 2/4, pp. 1778-1784.
"Intelligent Congestion Control for ABR Service in ATM Networks" by Siu, et al. Computer Communication Review, No. 5, NY, pp. 81-106.
"The Rate-Based Flow Control Framework for the Available Bit Rate ATM Service", by Bonomic et al, IEEE Network, Mar./Apr. 1995, pp. 25-39.
ATM Forum Traffic Management Specification Version 4.0 with Reference ATM Forum 95-0013R10 published by Shirish S. Sathaye Fore Systems, Inc. Feb. 5-9, 1996.

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