1
Brett Howard, Paul Kierstead, Gabor Solymar, Andrew Robison, Roy Pereira, Lucien Marcotte: Method and system for secure network policy implementation. Alcatel Canada, Blake Cassels & Graydon, March 5, 2002: US06353886 (181 worldwide citation)

A method and system for implementing network policy is described. The method involves storing policy data using certificates using a certificate database server. Upon retrieval, a policy is then validated as properly certified prior to use. When a policy is not validated, it indicates tampering or i ...


2
Henry Chow, Anthony Hung, Mark Janoska, Srinivasan Ramaswamy: Two-component bandwidth scheduler having application in multi-class digital communications systems. Alcatel Canada, Blake Cassels & Graydon, August 20, 2002: US06438134 (146 worldwide citation)

The method for servicing queues holding messages, such as ATM data packets, for subsequent processing or transmission to a resource such as a communications link having a finite processing capability comprises the steps of servicing each queue by forwarding the messages thereof to the resource at ti ...


3
Chang Lim, Jimmy K Hui, Wendy W J Wu, Timmy W Lee, Heng M Look: Internet-enabled service management system and method. Alcatel Canada, Marks & Clerk, August 13, 2002: US06434619 (124 worldwide citation)

A system and method for the management of communication services from a service provider by a customer of the provider. The management system employs an Internet-based architecture that provides access to user's virtual private networks via an end user browser. The customer service management ( ...


4
David W Carr, Paul Nadj: Method and apparatus for packet classification in a data communication system. Alcatel Canada, July 29, 2003: US06600744 (110 worldwide citation)

A method and apparatus for packet classification stores rules or parameters for classifying the packets in a memory structure. The memory structure receives a set of rule selection signals, where the memory provides a selected set of rules in response to the rule selection signals. A comparison bloc ...


5
Mark William Janoska, Albert D Heller, Hossain Pezeshki Esfahani: Method and apparatus for data buffer management in a communications switch. Alcatel Canada, March 25, 2003: US06539024 (109 worldwide citation)

A method and apparatus is for buffering data cells in a queuing element is presented. Each queuing element includes a partitioned buffer, where the partitioned buffer includes a plurality of partitions. Each of the partitions stores data cells received by the queuing element. Storage of the data cel ...


6
André Poulin: Round trip delay measurement. Alcatel Canada, Marks & Clerk, April 8, 2003: US06545979 (106 worldwide citation)

A system and method for calculating round trip delay (RTD) values in a switched digital network such as an asynchronous transfer mode (ATM) network. A loopback cell such as an ATM operation and maintenance (OAM) cell is used to carry a delta value through the network. The delta value, which represen ...


7
Shawn McAllister, Mark Tooker, Ron Veeneman: Operator directed routing of connections in a digital communications network. Alcatel Canada, Blake Cassels & Graydon, February 24, 2004: US06697329 (88 worldwide citation)

A virtual circuit whose path across a network is specified by a human operator (hereinafter operator directed route or ODR VC) is established by manually provisioning a preferred path for the connection, including a source node, destination node, and intermediate nodes or subnetworks therebetween. T ...


8
Natalie Giroux, Michael Gassewitz: Method and apparatus for provisioning traffic dedicated cores in a connection oriented network. Alcatel Canada, Marks & Clerk, Richard J Mitchell, May 16, 2006: US07046631 (83 worldwide citation)

There is provided a method for transmitting non-real time traffic in a connection oriented communications network. The network includes a network core that has a source and a destination with a path between them. The non-real time traffic is received at the source from a number of connections and ea ...


9
Satvinder Singh Bawa, Bruce Brown, Mike Holloway: Bandwidth load consideration in network route selection. Alcatel Canada, Marks & Clerk, February 24, 2004: US06697333 (79 worldwide citation)

Methods of considering bandwidth load or load balancing in the selection of an optimal path for routing calls through a switched digital network are described. The described methods are applicable to both new calls and existing connected calls. Algorithms that take into consideration selection crite ...


10
David W Carr: Method and apparatus for longest matching prefix determination in a communication network. Alcatel Canada, February 24, 2004: US06697363 (67 worldwide citation)

A method and apparatus for compressing the data associated with trie cuts (strides), and a method and apparatus for utilizing such compressed data to determine forwarding decisions for data packets in a communication network are presented. The compression technique presented generates a pair of bitm ...