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ICOM Overview - SOHOware v1.1 17
Self-healing Ring for High Availability
Self-healing Ring for High Availability
§ Ring configuration provides for an alternate
communication path in the event of a link failure
§ Uninterrupted communication ( < 10 ms for 30 switches )
Backup
Link
Active
Link
Active Link
Active
Link
1. One link is automatically
assigned as “Backup”
2. A cable fault activates
the backup link
ICOM Overview - SOHOware v1.1 18
Other High-Availability Configurations
Other High-Availability Configurations
§ Spanning Tree Protocol STP / 802.11D : 30 to 60 sec.
§ Rapid Spanning Tree RSTP / 802.11w : 2 to 6 sec.
§ Advantech X-Ring 10ms recovery for 30 switches
Active
Standby
Dual
Ring
X-Ring
Dual
Homing
RSTPX-Ring
Coupled
Ring
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