Diana J Rawlins

US Patent:

7106756, Sep 12, 2006

Filed:

Oct 12, 1999

Appl. No.:

09/416101

Inventors:

Steven Robert Donovan - Plano TX, US
Diana J. Rawlins - Richardson TX, US
John K. Gallant - Plano TX, US

Assignee:

MCI, Inc. - Ashburn VA

International Classification:

H04L 12/56

US Classification:

370468, 37039521

Abstract:

A method, system, and computer program product for controlling customer resources for Internet protocol (IP) traffic delivery are disclosed. The network utilization of a group of endpoints on a network is tracked to generate group utilization level information corresponding to a current amount of network resource consumption by the group of endpoints. A request for network resources for a data flow for an endpoint in the group is received from a router associated with that endpoint. The request for network resources includes an identifier associated with the endpoint. A determination is made whether to accept the request based on the group utilization level information, the identifier, and a first predetermined profile associated with the group and including a first network utilization limit.

US Patent:

7209439, Apr 24, 2007

Filed:

Mar 12, 2002

Appl. No.:

10/095910

Inventors:

Diana Rawlins - Richardson TX, US
Lei Yao - Great Falls VA, US
David E. McDysan - Herndon VA, US

Assignee:

MCI, LLC - Basking Ridge NJ

International Classification:

H04L 12/56

US Classification:

370230

Abstract:

In one embodiment, a network system of the present invention includes at least a first router and a second router coupled to an upstream link to permit data flow from the first router to the second router across the upstream link. The second router includes a control plane and a data plane having an input port coupled to the upstream link and an output port connectable to a downstream link. The control plane includes a virtual pool having a capacity corresponding to a resource capacity of the first router and an admission control function. In response to a request to reserve resources for a flow through the data plane from the input port to the output port, the admission control function performs admission control for the upstream link by reference to resource availability within the virtual pool. In one embodiment, the request is a request to reserve resources for an Integrated Services flow, and the capacity of the virtual pool corresponds to a resource capacity of a Integrated Services service class supported by the first router.

US Patent:

7369536, May 6, 2008

Filed:

Dec 11, 2001

Appl. No.:

10/013777

Inventors:

Steven R. Donovan - Plano TX, US
John K. Gallant - Plano TX, US
Diana J. Rawlins - Richardson TX, US

Assignee:

Verizon Business Global LLC - Basking Ridge NJ

International Classification:

H04L 12/66
H04L 12/28
H04J 3/16

US Classification:

370352, 370410, 370465

Abstract:

The present invention discloses a method whereby the separate protocols: session initiation protocol SIP, resource reservation protocol RSVP, common open policy service COPS, and open settlement protocol OSP are used together to setup, maintain, and teardown Internet communications having an acceptable QoS. This process is accomplished by dynamically establishing RSVP policy based on SIP telephony requests to provide IP communications with QoS across the Internet. The QoS policy is installed in network elements at the request of the network elements. The network elements receive a RSVP PATH or RESV request and queries the policy server; the policy server queries a Local database about ID and services for the user and a clearinghouse server (if available) or a policy server in a corresponding network; upon positive acknowledgement from the local database and/or the clearinghouse server, the policy server confirms policy in network elements to accept RSVP PATH and RESV requests for the particular reserved data flow to the SIP client. In this manner, the called telephone will not ring until policy has been provisioned in the network elements and resources have been reserved end-to-end to ensure an acceptable level of QoS.

US Patent:

7796608, Sep 14, 2010

Filed:

Mar 12, 2002

Appl. No.:

10/095956

Inventors:

Diana Rawlins - Richardson TX, US
Lei Yao - Great Falls VA, US
David E. McDysan - Herndon VA, US

Assignee:

Verizon Business Global LLC - Basking Ridge NJ

International Classification:

H04L 12/28

US Classification:

3703954, 370351, 370400

Abstract:

In one embodiment of the invention, a network system includes a boundary router, a second router, and an upstream link of the second router coupled between to the output port of the boundary router and an input port of the second router. The second router includes an admission control function and a data plane. In response to a request to reserve resources for a flow through the second router, the admission control function performs admission control for both the upstream link and its downstream link. In a preferred embodiment, the second router performs admission control for the upstream link only if the second router is a receiving edge router for the flow. Because the second router performs admission control for its upstream link, the boundary router transmits the request toward an upstream router without performing admission control for the link.

US Patent:

20020194369, Dec 19, 2002

Filed:

Mar 12, 2002

Appl. No.:

10/095909

Inventors:

Diana Rawlins - Richardson TX, US
Lei Yao - Great Falls VA, US
David McDysan - Herndon VA, US

Assignee:

WORLDCOM, Inc. - Jackson MS

International Classification:

G06F015/173

US Classification:

709/238000, 709/225000

Abstract:

A data network may include an upstream router having one or more data handling queues, a downstream router, and a policy server. In one embodiment, the policy server includes processing resources, a communication interface in communication with the processing resources, and data storage that stores a configuration manager executable by the processing resources. The configuration manager configures data handling queues of the upstream router to provide a selected bandwidth to one or more of a plurality of service classes of data flows. In addition, the configuration manager transmits to the downstream router one or more virtual pool capacities, each corresponding to a bandwidth at the upstream router for one or more associated service classes among the plurality of service classes. In one embodiment, the configuration manager configures the data handling queues on the upstream router only in response to acknowledgment that one or more virtual pool capacities transmitted to the downstream router were successfully installed.

US Patent:

20100302943, Dec 2, 2010

Filed:

Aug 13, 2010

Appl. No.:

12/855930

Inventors:

Diana Rawlins - Richardson TX, US
Lei Yao - Great Falls VA, US
David E. McDysan - Herndon VA, US

Assignee:

VERIZON BUSINESS GLOBAL LLC - Ashburn VA

International Classification:

H04L 12/26

US Classification:

370231

Abstract:

In one embodiment of the invention, a network system includes a boundary router, a second router, and an upstream link of the second router coupled between to the output port of the boundary router and an input port of the second router. The second router includes an admission control function and a data plane. In response to a request to reserve resources for a flow through the second router, the admission control function performs admission control for both the upstream link and its downstream link. In a preferred embodiment, the second router performs admission control for the upstream link only if the second router is a receiving edge router for the flow. Because the second router performs admission control for its upstream link, the boundary router transmits the request toward an upstream router without performing admission control for the link.