The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 2006
Filed:
May. 14, 2002
Angelica Grace Emelie Kasvand-harris, Ottawa, CA;
Udo Mircea Neustadter, Ottawa, CA;
Walter Joseph Carpini, Ottawa, CA;
Barry Ding Ken Mark, Ottawa, CA;
Angelica Grace Emelie Kasvand-Harris, Ottawa, CA;
Udo Mircea Neustadter, Ottawa, CA;
Walter Joseph Carpini, Ottawa, CA;
Barry Ding Ken Mark, Ottawa, CA;
Tropic Networks Inc., Kanata, CA;
Abstract
A method and system for allocating and controlling a hierarchy of labels in an MPLS network is provided. The hierarchy of labels, inserted into MPLS packets, is introduced so as to correspond to the hierarchy of sub-flows within a data flow. The labels have the established dependency so that positions of labels in the hierarchy identify a sequence of processing the labels and functions associated with the labels. The system for allocating and controlling the hierarchy of MPLS labels includes a first control plane mapper for releasing available labels, a first controller for assigning the released labels according to the hierarchy, means for transmitting the labels in the network, a second controller for detecting the labels, and a second control plane mapper for maintaining current label dependency within the hierarchy. If required, re-addressing of the hierarchy of labels may be performed to maintain flow-sub-flow association throughout two adjacent networks. In the preferred embodiments on the invention the method of allocating and controlling hierarchy of labels is applied to sub-flows within FA-LSP flows, and to multi-cast services in the network associated with a function of flooding and filtering data within a network node.