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Cluster Alias<br />
Load balancing without a load balancer<br />
All nodes bring up the same IP address – how can this work?<br />
Nodes all reply to ARP requests with a multicast MAC<br />
Only one node replies to an incoming new connection; other<br />
packets are silently ignored.<br />
(src ip, port; dst ip, port) can be used as a hash key, Cluster<br />
Manager reallocates hash buckets in case of failures<br />
IP address can be used for outgoing connections too<br />
Implementation being done right now<br />
Lars MarowskyBrée, SUSE Labs, Nuremberg, 01.03.04, heartbeattutorial.sxi, 45<br />
45
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