1
Diana Rawlins, Lei Yao, David E McDysan: Pool-based resource management in a data network. MCI, April 24, 2007: US07209439 (191 worldwide citation)

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 ...


2
David E McDysan: System and method for managing communications in an access network. Verizon Business Global, April 8, 2014: US08693323 (99 worldwide citation)

System and method for managing communications in an access network is provided. The system and method utilizes carrier-tagged paths established between communicatively coupled terminating elements, such as a service or customer edge and network elements, such as a building aggregator, layer 2 switch ...


3
Nick DelRegno, Scott R Kotrla, David E McDysan, Michael U Bencheck, Matthew W Turlington, Ross S Hardin, Richard C Schell, Howard Chiu, William Drake: Apparatus and method for testing and fault isolation in a communication network. Verizon Business Global, June 25, 2013: US08472327 (93 worldwide citation)

An apparatus and method for performing automated testing and trouble isolation of a communications link in an access network is described. Communications link testing may occur without taking the communications link out of service for the duration of the test.


4
Andrew J Dugan, David E McDysan: ATM virtual private networks. MCI Communications Corporation, June 20, 2000: US06078586 (90 worldwide citation)

A network architecture and service platform for providing virtual private network services ("VPN") over an ATM network. The architecture provides services for voice, video, and data traffic among multiple VPN customers over a shared ATM network by implementing intelligent control devices to perform ...


5
David E McDysan: Virtual private network (VPN)-aware customer premises equipment (CPE) edge router. MCI, August 17, 2004: US06778498 (84 worldwide citation)

A network architecture includes a communication network that supports one or more network-based Virtual Private Networks (VPNs). The communication network includes a plurality of boundary routers that are connected by access links to CPE edge routers belonging to the one or more VPNs. To prevent tra ...


6
David E McDysan, Edvin V Farinholt: Method and apparatus for call control signaling. Ormand R Austin, June 29, 1993: US05224108 (68 worldwide citation)

To perform call control signaling between a user and a telecommunications switching network (and end-to-end between users), a portion of the multiplex overhead of a multiplexed data stream is formatted so that it includes the call control signaling. This in-band signaling is actually in the multiple ...


7
David E McDysan: Method and system for resilient frame relay network interconnection. MCI Communications Corporation, May 1, 2001: US06226260 (58 worldwide citation)

A method and system for resilient internetwork connection of frame relay (FR) networks and/or end systems. For FR relay networks interconnected by a self-healing network, a standard protocol is provided which allows a resilient network-to-network interface NNI to automatically respond to physical in ...


8
Diana Rawlins, Lei Yao, David E McDysan: Policy-based synchronization of per-class resources between routers in a data network. MCI, June 27, 2006: US07069337 (28 worldwide citation)

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 ...


9
David E McDysan: Virtual private network (VPN)-aware customer premises equipment (CPE) edge router. Verizon Business Global, November 4, 2008: US07447151 (25 worldwide citation)

A network architecture includes a communication network that supports one or more network-based Virtual Private Networks (VPNs). The communication network includes a plurality of boundary routers that are connected by access links to CPE edge routers belonging to the one or more VPNs. To prevent tra ...


10
David E McDysan, Stevan H Leiden, Douglas M Pasko, John E Rathke: Management of inter-provider peer-to-peer based feature network. Verizon Patent and Licensing, July 29, 2014: US08793400 (10 worldwide citation)

A device communicates with feature peers, associated with a network, to obtain information associated with the feature peers, and receives a customer packet. The device also determines, based on the feature peer information, which of the feature peers support a feature associated with the customer p ...