Router and method for refreshing quality of service reservation

Details Router and method for refreshing quality of service reservation Router and method for refreshing quality of service reservation

2011-08-16

2011-08-16

Sheikh, Ayaz R (Department: 2476)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S229000, C370S230000, C370S231000, C370S235000, C370S237000, C709S227000, C709S228000, C709S229000

Reexamination Certificate

active

08000248

ABSTRACT:
A method and an associated router in first administrative domain of a telecommunications network wherein the first administrative domain comprises a first end point associated to a reservation for a session transiting through the router between the first end point and a second end point in a second administrative domain. The router comprises a quality of service (QoS) reservation module maintaining a refresh timer associated with the reservation. The QoS reservation module is capable of, upon expiration of the refresh timer, sending a refresh reservation message toward the second end point on behalf of the first end point and, upon reception of a refresh confirmation message to the refresh reservation message, resetting the refresh timer without forwarding the refresh confirmation message toward the first end point.

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RFC 2205; R. Braden, Ed.et al; “Resource ReSerVation Protocol (RSVP)—Version 1 Functional Specification”; Network Working Group; Request for Comments: 2205; Sep. 1997.
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PCT Search Report from corresponding application PCT/IB2004/052098.

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