| 发明名称 |
DUPLICATION METHOD IN TRANSPARENT LAN SERVICE, RELAYING APPARATUS, AND TRANSPARENT LAN SERVICE SYSTEM |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily and inexpensively realize duplication of access lines in a transparent LAN service. <P>SOLUTION: A system 10 comprises: an active system network 12 in which only a plurality of relaying devices 15 in the active system can mutually perform transparent LAN service; a standby system network 13 in which only a plurality of relaying devices 15 in the standby system can mutually perform transparent LAN service; and an active/standby system changeover means 14 that inter- switches the active/standby system between the active system relaying devices 15 and the standby system relaying devices 15 through communication using a particular frame. <P>COPYRIGHT: (C)2003,JPO</p> |
| 申请公布号 |
JP2003218911(A) |
申请公布日期 |
2003.07.31 |
| 申请号 |
JP20020009987 |
申请日期 |
2002.01.18 |
| 申请人 |
FUJITSU LTD |
发明人 |
KITAMURA TAKUYA |
| 分类号 |
H04L12/70;H04L12/46;H04L12/707;H04L12/711;H04L12/723;H04L29/14;(IPC1-7):H04L12/56 |
主分类号 |
H04L12/70 |
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