Service detail records for layered communications protocols

Details Service detail records for layered communications protocols Service detail records for layered communications protocols

2005-12-20

2005-12-20

Qureshi, Afsar (Department: 2667)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S230000, C370S466000, C709S230000

Reexamination Certificate

active

06977936

ABSTRACT:
Service detail records (SDRs) are generated for at least two layers in a stack of protocols used in a communications network, where protocol data units (PDUs) for a lower-level protocol encapsulate PDUs for a higher-level protocol. SDRs for the higher-level protocol include pointers to SDRs for connections at the lower level which encapsulate PDUs from which the higher-level SDRs were generated.

REFERENCES:
patent: 6490251 (2002-12-01), Yin et al.
patent: 6532211 (2003-03-01), Rathonyi et al.
patent: 6651099 (2003-11-01), Dietz et al.
patent: 6665725 (2003-12-01), Dietz et al.

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