Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Reexamination Certificate
2005-09-30
2009-11-24
Ly, Anh-Vu H (Department: 2416)
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
Reexamination Certificate
active
07623458
ABSTRACT:
A method for providing network integrated services based ReSerVation Protocol acorss a cryptographic network boundary includes assigning one or more DiffServ forwarding classifications to correspond to IntServ requests for QoS provisioning. A daemon in the QoS Service Provider module signals the QoS upon detecting data packets indicating a DiffServ forwarding class assigned to IntServ QoS requests. In response to the notification, the QoS Services Provider module initiates an RSVP-based request for network resources, and establishes a network path in response to acceptance of the RSVP path request. The data flow comprised of encrypted data is then transmitted over the reserved path. Multiple simultaneous aggregated flows may be provisioned. Path may be reconfigured and resized by the QoS services provider module in response to an overlimit data flow, subject to network resource availability. An ECN bit is returnable from the destination application to signal a problem with the data transmission.
REFERENCES:
patent: 7251218 (2007-07-01), Jorgensen
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“A Framework for Integrated Service Operation over Diffserv Networks”, IETF RFC 2998, Nov. 2000, pp. 1-29.
“Quality of Service (QoS) Signaling in a Nested Virtual Private Network”, IETF RFC 4923, Aug. 2007, pp. 1-36.
Ayyagari Arun
Brewer Orlie T.
Ly Anh-Vu H
McNees Wallace & Nurick LLC
The Boeing Company
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