Network quality of service for qualitative applications

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7478161
APP PUB NO 20040022191A1





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A system and method that enables network quality of service to be based on qualitative factors. RSVP signaling is extended to allow RSVP messages to be identified as qualitative, and to pass qualitative information with the messages. RSVP-aware network devices such as routers in the message path analyze the qualitative information and apply policy based thereon to perform admission control and allocation of resources based on qualitative factors. An application identifier is provided, along with a sub-application identifier that provides fine-grained qualitative information, such as to identify what type of network service an application is requesting. Qualitative signaling may employ RSVP integrated with differentiated services by returning a DCLASS object in an RSVP message, to assign an application's traffic to one or more aggregate classes based on a policy evaluation, which may use qualitative factors against policy for each request. For admitted requests, the application's host machine or an upstream sender may mark the packets with the appropriate aggregate classification information, whereby packets are then prioritized accordingly in the network.

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Patent Owner(s)

Patent OwnerAddress

International Classification(s)


Inventor Name Address # of filed Patents Total Citations
Bernet, Yoram Seattle, US 29 1080
Moore, Timothy M Bellevue, US 85 2378
Pabbati, Ramesh B Bellevue, US 2 107

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