System and method for managing pre-emption of quality of...

Details System and method for managing pre-emption of quality of... System and method for managing pre-emption of quality of...

2007-06-18

2010-12-28

Nguyen, Steven H (Department: 2473)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S235000

Reexamination Certificate

active

07859998

ABSTRACT:
A system and method manages Quality-of-Service (QoS) in a network by allocating resources, such as available network bandwidth. The network devices transmit and receive data traffic streams, each of which includes QoS parameters, including a priority level and bandwidth allocation. The method includes choosing which existing QoS allocations are pre-empted, notifying original requesters of pre-empted allocations, and re-establishing pre-empted allocations with appropriate modifications. If a new QoS request cannot be accommodated due to the previous allocations to lower-priority requesters, the existing lower-priority allocations are released until enough allocations are released to accommodate the new request. Once the new request is allocated, the pre-empted configurations may be reallocated.

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UPnP QoS Architecture:2, Oct. 16, 2006.
UPnP QosManager:2, Oct. 16, 2006.

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