ATM switching equipment having a switching network

Details ATM switching equipment having a switching network ATM switching equipment having a switching network

2000-06-14

2008-12-16

Chan, Wing F (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S395100, C370S395600

Reexamination Certificate

active

07466709

ABSTRACT:
An ATM switching equipment is provided comprising a switching network (ASN) and at least one server switching unit (SSC). The server switching unit (SSC) contains an AAL2 switcher (ASW) that is configured for simultaneous processing of a maximum plurality (m) of incoming connections. An AAL2 routing list (RL1. . . RLm) is provided for each of these connections, and a microprocessor (MPR) is configured to limit the allowable value range for VPI/VCI values in the header of the ATM cells according to the plurality of AAL2 routing lists, so that only the corresponding VPI/VCI coding bits are taken into consideration at an interface to the switching network.

REFERENCES:
patent: 5414701 (1995-05-01), Shtayer et al.
patent: 6031838 (2000-02-01), Okabe et al.
patent: 6266343 (2001-07-01), Caves
patent: 6289016 (2001-09-01), Subbiah et al.
patent: 6449276 (2002-09-01), Subbiah et al.
patent: 6594267 (2003-07-01), Dempo

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