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:
Jan. 31, 2017
Filed:
Jun. 17, 2013
Alcatel Lucent, Boulogne Billancourt, FR;
Dieter Beller, Korntal, DE;
Donald Fedyk, Groton, MA (US);
Alcatel Lucent, Boulogne-Billancourt, FR;
Abstract
In order to achieve path diversity for dual-homed User-Network Interface clients connected to a Generalized Multiprotocol Label Switching control plane enabled transport network that is operated in an overlay mode, the overlay extension service model is enhanced by adding shared constraint information for path diversity in the optical transport network. In particular, within the provider network, shared constraint information of a first traffic path is determined and a data element indicative of the shared constraint information is returned by a first provider edge node to a customer edge device via a User-Network Interface. When the customer edge device requests a second traffic path through the provider network to be established from a second provider edge node and to be disjoint from said first traffic path, the customer edge device forwards the data element to the second provider edge node to enable path calculation of the second traffic path using the shared constraint information as exclusion list.