Connection admission control for ATM networks

Details Connection admission control for ATM networks Connection admission control for ATM networks

1996-09-05

1999-01-19

Olms, Douglas W.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370233, 370395, H04L 1228, H04L 1256

Patent

active

058621261

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. Unlike any prior CAC, the CAC of the invention for constant bit rate (CBR) service takes also into consideration the cells delay variation (CDV) for calculating the required bandwidth.

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"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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