发明名称 |
METHOD AND APPARATUS FOR PERFORMING A SOFTWARE UPGRADE OF A ROUTER WHILE THE ROUTER IS ONLINE |
摘要 |
A method for performing an in-service software upgrade to a data router follows steps of (a) providing a source node hosting an upgrade software package (401); (b) causing an upgrade command to be executed (402); (c) establishing, as a result of the upgrade command, a network session between the data router and the source node (403); (d) receiving the upgrade software at the router (404); (e) copying and distributing, within the router, the upgrade software to designated components slated for upgrade (405); (f) designating one or more components in the router as backups for each components to be upgraded (405); (g) backing up services and software running on each target elements to be upgraded to designated backup element or elements while upgrade proceeds for the target element (406-408); (h) causing a switchover at the target element to the new software (410); and (i) repeating steps (g) and (h) until all the components slated for upgrade are upgraded.
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申请公布号 |
WO03021465(A1) |
申请公布日期 |
2003.03.13 |
申请号 |
WO2002US28387 |
申请日期 |
2002.09.05 |
申请人 |
PLURIS, INC. |
发明人 |
KWOK, RAYMOND, WAI-MAN;KLEIN, LARRY, ALBERT;VAIDYANATHAN, SRIRAM |
分类号 |
G06F9/445;H04L12/56;H04L29/08;(IPC1-7):G06F15/16 |
主分类号 |
G06F9/445 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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