Global Patent Index - EP 1256257 A1

EP 1256257 A1 20021113 - 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 20021113 (DE)

Application

EP 01909618 A 20010112

Priority

  • EP 01909618 A 20010112
  • EP 0100340 W 20010112
  • EP 00103082 A 20000215

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

H04Q 11/04

IPC 8 full level

H04Q 11/04 (2006.01)

CPC (source: EP US)

H04Q 11/0478 (2013.01 - EP US)

Citation (search report)

See references of WO 0162037A1

Citation (examination)

LE FAUCHEUR F.: "IETF Multiprotocol Label Switching (MPLS) Arhitecture", PROCEEDINGS OF ICATM'98: IEEE INTERNATIONAL CONFERENCE ON ATM, 22 June 1998 (1998-06-22), COLMAR FRANCE, pages 6 - 15, XP000977411, DOI: doi:10.1109/ICATM.1998.688153

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

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

DOCDB simple family (application)

EP 00103082 A 20000215; AU 3729601 A 20010112; CA 2399983 A 20010112; CN 01805074 A 20010112; EP 0100340 W 20010112; EP 01909618 A 20010112; US 20381702 A 20020814