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.

Date of Patent:
Sep. 15, 2009

Filed:

Feb. 27, 2004
Applicants:

Stefan Ansorge, Ohmden, DE;

Martin Huck, Möglingen, DE;

Dieter Beller, Korntal, DE;

Inventors:

Stefan Ansorge, Ohmden, DE;

Martin Huck, Möglingen, DE;

Dieter Beller, Korntal, DE;

Assignee:

Alcatel, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

Transmission signals in a transport network are multiplexed from traffic streams respectively representing paths. Each path is identified with a path tag and forwarding information is provided in each network element. Failed paths in the network are restored in that the source network element crossconnects the affected traffic stream to an alternate output port and subsequent network elements receiving this unexpected traffic stream at an input port check the received path tag, determine an appropriate output port based on the tag and the forwarding information, and establish an internal cross-connection between the input port and corresponding output port.


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