Connection admission control for ATM networks handling CBR and V

Details Connection admission control for ATM networks handling CBR and V Connection admission control for ATM networks handling CBR and V

1996-09-05

1999-06-29

Pham, Chi H.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370229, G01R 3108, G06F 1100, G08C 1500

Patent

active

059178043

ABSTRACT:
In an ATM network, the physical resources are shared by many connection and the bandwidth is allocated virtually to each connection. The connection admission control (CAC) algorithm uses traffic descriptors, desired quality of service (QOS) parameters etc., to compute a required bandwidth for a requested connection by which it makes a decision to admit or reject the connection. For admission control for a requested VBR connection, two required bandwidths are calculated in two different ways, both of which take into consideration impacts of CBR traffic which is being serviced. The admission decision is based on the lesser of the two bandwidths.

REFERENCES:
patent: 5357507 (1994-10-01), Hughes et al.
patent: 5530695 (1996-06-01), Dighe et al.
patent: 5583857 (1996-12-01), Soumiya et al.
"Effective Bandwidths for the Multi-type UAS Channel", R. J. Gibbens et al, Queueing Systems 9 (1991), pp. 17-28.
"Equivalent Capacity and Its Application to Bandwidth Allocation in High-Speed Networks", R. Guerin et al, IEEE Journal on Selected Areas in Communications, vol. 9, No. 7, Sep. 1991, pp. 968-981.

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