Alcatel Carrier Internetworking Solutions OmniSwitch 9000 - Manual (Page 11)

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RESILIENCY – MAXIMIZED NETWORK UPTIME
Network resiliency is critical to providing network availability.
The OS9000s offer a superior architecture with no single point of failure
and a subsecond fail-over in its redundant configuration. In the event of
a CMM failure on an OmniSwitch 9800 or OmniSwitch 9700, they are
able to provide continuous operation with no loss of connections when
deployed with dual CMMs. Existing L2/L3 traffic, including voice
conversations, will continue seamlessly without interruption.
DISTRIBUTED INTELLIGENCE
Unlike other switches on the market, Alcatel-Lucent OmniSwitch are unique in
that they are able to provide Smart Continuous Switching by using a design
where most processes are distributed and handled on the network interfaces
themselves, relegating the CMM to a coordination role. A bottleneck is avoided
by not using a centralized control plane architecture where the CMM – the key
management module – is responsible for all processing. The distributed design allows
key processes such as Spanning Tree to maintain a fully operational state, even during a
sub-second CMM failover.
For single CMM configurations, network resiliency is achieved through switch redundancy, network path
redundancy, and the L2/L3 protocols for smart use of the switch and path redundancy. In this configuration,
the OmniSwitch 9600 offers the best price/performance ratios.
Alcatel-Lucent | OmniSwitch 9000