Global Patent Index - EP 1256257 A1

EP 1256257 A1 2002-11-13 - EQUIVALENT SWITCHING METHOD FOR TRANSMISSION DEVICES IN MPLS NETWORKS

Title (en)

EQUIVALENT SWITCHING METHOD FOR TRANSMISSION DEVICES IN MPLS NETWORKS

Title (de)

VERFAHREN ZUM ERSATZSCHALTEN VON ÜBERTRAGUNGSEINRICHTUNGEN IN MPLS-NETZEN

Title (fr)

PROCEDE DE COMMUTATION DE REMPLACEMENT DE DISPOSITIFS DE TRANSMISSION DANS LES RESEAUX MPLS

Publication

EP 1256257 A1 (DE)

Application

EP 01909618 A

Priority

  • EP 01909618 A
  • EP 0100340 W
  • EP 00103082 A

Abstract (en)

[origin: EP1126741A1] In prior art,equivalent switching of MPLS packets can result in maloperations. The inventive method provides a solution to the problem in the following manner: when a working entity fails, equivalent switching is controlled in accordance with priority criteria and logical link information for one single protection entity.

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

H04Q 11/04

IPC 8 full level (invention and additional information)

H04Q 11/04 (2006.01)

CPC (invention and additional information)

H04Q 11/0478 (2013.01)

Citation (search report)

See references of WO 0162037A1

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

EP 1126741 A1 20010822; AU 3729601 A 20010827; AU 767793 B2 20031127; CA 2399983 A1 20010823; CN 1401200 A 20030305; EP 1256257 A1 20021113; US 2003063561 A1 20030403; WO 0162037 A1 20010823

INPADOC legal status


2004-11-03 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20040423

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

- Designated State(s): DE ES FR GB IT

2003-05-07 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030321

2002-11-13 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020709

2002-11-13 [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