Title:
系切替システム及び系切替方法
Document Type and Number:
Japanese Patent JP3753100
Kind Code:
B2
Abstract:
An active/standby switching system includes two AAL2 (ATM Adaptation Layer Type 2) cell assembling/disassembling processor units (20, 30) as an active system and a standby system so that active/standby switching is carried out between the active system and the standby system. The active/standby switching is carried out by transferring, from one of the AAL2 cell assembling/disassembling processor units (20) which has been the active system to the other AAL2 cell assembling/disassembling processor unit(30) which has been the standby system, handover information to prevent cell loss of AAL2 cells from occurring as a result of the active/standby switching and uncompleted cell data in the course of disassembling, the AAL2 cell assembling/disassembling processor unit (30) to become a new active system receiving the handover information and the uncompleted cell data and carrying out AAL2 cell assembling or disassembling.
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Inventors:
Koji Arakawa
Application Number:
JP2002190673A
Publication Date:
March 08, 2006
Filing Date:
June 28, 2002
Export Citation:
Assignee:
NEC
International Classes:
H04L45/586; H04L47/43
Domestic Patent References:
| JP2003179624A |
Attorney, Agent or Firm:
Takao Maruyama
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