Global Patent Index - EP 1159851 A1

EP 1159851 A1 2001-12-05 - TELECOMMUNICATIONS NETWORK DISTRIBUTED RESTORATION METHODS AND SYSTEMS

Title (en)

TELECOMMUNICATIONS NETWORK DISTRIBUTED RESTORATION METHODS AND SYSTEMS

Title (de)

VERFAHREN UND SYSTEMEN ZUR VERTEILTER WIEDERHERSTELLUNG EINES FERNMELDENETZES

Title (fr)

PROCEDES ET SYSTEMES DE RETABLISSEMENT DE RESEAU DE TELECOMMUNICATION DISTRIBUE

Publication

EP 1159851 A1 (EN)

Application

EP 01906517 A

Priority

  • US 0100449 W
  • US 47910100 A

Abstract (en)

[origin: WO0152591A1] A network wherein a plurality of links connects a plurality of nodes such as cross-connects in a communication circuit network with paths interconnecting the nodes, and with there being spare capacity between a sufficient number of nodes to accommodate at least some rerouting of traffic immediately upon detection of a break in a traffic span in the network so as to restore circuit continuity within a predetermined maximum time using an improved failure detection, isolation, and recovery scheme.

IPC 1-7 (main, further and additional classification)

H04Q 11/04; H03J 3/14; H04Q 3/00

IPC 8 full level (invention and additional information)

H04L 12/56 (2006.01); H04Q 11/04 (2006.01)

CPC (invention and additional information)

H04Q 11/0478 (2013.01); H04J 3/14 (2013.01); H04J 2203/006 (2013.01); H04J 2203/0066 (2013.01)

Citation (search report)

See references of WO 0152591A1

Designated contracting state (EPC)

DE FI FR GB IT SE

EPO simple patent family

WO 0152591 A1 20010719; AU 3441601 A 20010724; CA 2366373 A1 20010719; EP 1159851 A1 20011205; JP 2003520525 A 20030702

INPADOC legal status


2007-03-07 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20060912

2004-05-19 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

- Designated State(s): DE FI FR GB IT SE

2001-12-05 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010906

2001-12-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2001-12-05 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI