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. 21, 2014
Filed:
Sep. 26, 2003
Bharat T. Doshi, Holmdel, NJ (US);
Zbigniew M. Dziong, Montreal, CA;
Ramesh Nagarajan, Somerset, NJ (US);
Muhammad A. Qureshi, Green Brook, NJ (US);
Yung-terng Wang, Marlboro, NJ (US);
Bharat T. Doshi, Holmdel, NJ (US);
Zbigniew M. Dziong, Montreal, CA;
Ramesh Nagarajan, Somerset, NJ (US);
Muhammad A. Qureshi, Green Brook, NJ (US);
Yung-Terng Wang, Marlboro, NJ (US);
Alcatel Lucent, Boulogne-Billancourt, FR;
Abstract
A method for determining a restoration path for a new service in a mesh network involves selecting between candidate restoration paths corresponding to a primary path for the new service based on the shared-risk link groups (SRLGs) associated with links in the primary path. The method includes, for each of a plurality of candidate restoration paths associated with the primary path, (1) determining whether the primary path requires any additional restoration bandwidth to be reserved on any link of the restoration path based on whether, for each link of the restoration path, the primary path is SRLG-disjoint from each other primary path that is protected by that link, (2) generating a path cost for the restoration path, where the path cost is a function of whether any additional restoration bandwidth is required; and (3) selecting the restoration path for the new service based on the path cost.