Controlling communication path reservations in a packet...

Details Controlling communication path reservations in a packet... Controlling communication path reservations in a packet...

2005-06-01

2009-12-29

Yao, Kwang B (Department: 2416)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S389000, C370S395210, C370S401000

Reexamination Certificate

active

07639669

ABSTRACT:
An exemplary method controls features and services implemented by nodes in a first communication network where nodes in a second network are not adapted to provide such control or services. A first signaling message is sent by a device in response to receipt by a recipient in the first network of a packet transmitted from an originator in another network that does not support the control and services of the first network. The first signaling message is received at a first perimeter node of the first network that in response sends second signaling messages to the other perimeter nodes. Upon the determination of the occurrence of an event by a second perimeter node, a third signaling message is sent from the second perimeter node to the recipient so that it traverses intermediate nodes in the first network utilized for carrying packets from the originator to the recipient. The third signaling message contains control information defining a service feature to be controlled by the intermediate nodes.

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