Method and apparatus for providing end-to-end quality of service in multiple transport protocol environments using permanent or switched virtual circuit connection management

US20060195581A1Inactive Publication Date: 2006-08-31INTELLECTUAL VENTURES I LLC
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
INTELLECTUAL VENTURES I LLC
Publication Date
2006-08-31
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method and apparatus for ensuring end-to-end QoS for user applications operating in multi-transport protocol environments while using PVC or SVC connection management procedures. A user application at a workstation having specific QoS requirements can selectively connect to one of a plurality of servers having varying QoS profiles, regardless of the transport protocols used in the underlying network. The user application initiates a session with a first QoS negotiator and a first QoS selector. The first QoS negotiator queries a second QoS negotiator for the QoS profile of a connected server. The second QoS negotiator, in conjunction with a second QoS selector, notifies the server of the address of the second QoS negotiator. The second QoS negotiator, in conjunction with the second QoS selector, sends a response to the first QoS negotiator and the first QoS selector indicating QoS profile and connection information of the server. The first QoS selector stores the received QoS profile and connection information in a database. The database is then queried by the user application to determine if a server having the desired QoS profile exists. If such a server does not exist, the QoS selection and negotation procedures are repeated and the database is updated. If a server having the desired QoS profile does exist, a PVC or SVC connection is established between the first and second QoS negotiators and QoS selectors, thereby ensuring end-to-end QoS for the user application and allowing the application to exchange data with the server using the PVC or SVC connection.
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Description

RELATED APPLICATIONS

[0001] This application is a continuation-in-part of copending application Ser. No. 09 / 435,549 filed Nov. 8, 1999, now U.S. Pat. No. ______. The entire disclosure of this related application is expressly incorporated herein by reference.BACKGROUND OF THE INVENTION

[0002] 1. Field of the Invention

[0003] The present invention relates to a method and apparatus for providing end-to-end Quality of Service (“QoS”) in Multiple Transport Protocol Environments using permanent or switched virtual circuit connection management. More specifically, the invention provides QoS selection and negotiation procedures among multiple server profiles that allow applications to selectively negotiate connections with servers having desired QoS parameters, regardless of the transport protocols and permanent or switched virtual circuit connection methodologies of the underlying network connection.

[0004] 2. Related Art

[0005] U.S. patent application Ser. No. 09 / 435,549, filed Nov. 8, 19...

Claims

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