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. 20, 2009
Filed:
Sep. 30, 2004
Yigal Bejerano, Springfield, NJ (US);
Joseph Seffi Naor, Haifa, IL;
Alexander Sprintson, Pasadena, CA (US);
Yigal Bejerano, Springfield, NJ (US);
Joseph Seffi Naor, Haifa, IL;
Alexander Sprintson, Pasadena, CA (US);
Alcatel-Lucent USA Inc., Murray Hill, NJ (US);
Abstract
A method comprises allocating a respective restoration path to protect each of a plurality of primary paths in a network. Each primary path has a plurality of nodes and at least two subpaths connecting the nodes of the primary path. Each restoration path includes at least one link. Each link protects at least one of the subpaths of the primary path. Each of the subpaths of the primary path is protected. None of the links in the restoration path is included in the corresponding primary path. At least one of the links is shared among at least two restoration paths corresponding to at least two of the primary paths.