Title:
FAILURE MONITORING METHOD AND DEVICE FOR VIRTUAL LEASED LINE
Document Type and Number:
WIPO Patent Application WO/2008/119275
Kind Code:
A1
Abstract:
A failure monitoring method for a virtual leased line is provided, and the method
includes: receiving a message sent by a local user end to an opposite user end from
the virtual leased line; judging whether the received message is a link protocol
message; and when the message is a link protocol message, judging whether the
link protocol message is a failure message. In addition, a failure monitoring
device for a virtual leased line is provided, and the device can monitor the failure
occurring in any position of the link when the same media are interconnected,
and can fast reroute the virtual leased line service according to the monitored
failure.
Inventors:
LIU CHANGBAO (CN)
ZI KANG (CN)
ZI KANG (CN)
Application Number:
PCT/CN2008/070349
Publication Date:
October 09, 2008
Filing Date:
February 22, 2008
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
LIU CHANGBAO (CN)
ZI KANG (CN)
LIU CHANGBAO (CN)
ZI KANG (CN)
International Classes:
H04L12/26; H04N7/173; G06F11/10; G06F15/00; G06F21/24; G09C1/00; G11B20/10; G11B20/14; G11B20/18; H03L7/091; H03M13/03; H03M13/13; H03M13/23; H03M13/29; H04B1/707; H04B1/74; H04B7/005; H04B7/24; H04B7/26; H04B14/00; H04H60/72; H04J13/00; H04J13/16; H04L1/22; H04L9/00; H04L9/08; H04L9/10; H04L9/32; H04L12/24; H04L12/46; H04L12/56; H04L25/03; H04L25/497; H04L29/06; H04M1/66; H04M1/72415; H04N7/26; H04N7/52; H04W4/06; H04W4/12; H04W4/14; H04W8/02; H04W8/16; H04W8/20; H04W12/06; H04W12/10; H04W24/00; H04W40/22; H04W76/02; H04W80/06; H04W84/12; H04W88/02; G11B20/22; H04L1/00; H04W8/24; H04W8/26; H04W72/04
Foreign References:
| CN1556617A | 2004-12-22 | |||
| CN101035032A | 2007-09-12 | |||
| US5193086A | 1993-03-09 | |||
| CN1302139A | 2001-07-04 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (Scitech PlaceNo.22, Jian Guo Men Wai Ave., Chao Yang District, Beijing 4, CN)
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