Method of injecting/extracting control cells in an...

Details Method of injecting/extracting control cells in an... Method of injecting/extracting control cells in an...

2005-06-14

2005-06-14

Nguyen, Chau (Department: 2661)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S241100, C370S395210

Reexamination Certificate

active

06907007

ABSTRACT:
A method and system for injecting/extracting a control cell into/from a data connection transmitted from a source switching node to a destination switching node of an Asynchronous Transfer Mode (ATM) network. The injecting method consists in adding to the ATM cell a switch routing label (SRL) and a protocol engine correlator (PEC) by the control point of the injection switching node before injecting the cell into the connection. The extracting method consists in setting a control flag in the control block of the incoming cell if this cell includes an extraction condition indicating that it is a control cell to be extracted, and adding to the control cell a switch routing label corresponding to the control point (CP SRL) and a reserved static protocol engine correlator (SPEC).

REFERENCES:
patent: 6198726 (2001-03-01), Hayami et al.
patent: 6377574 (2002-04-01), Endo

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