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High Availability

High Availability Considerations

The SNMP protocol uses UDP as the transport protocol and is subject to network reliability, as a constraint. Network architecture should be considered when designing for high availability.

  • When using a single node collector ensure automatic recovery from virtual infrastructure i.e. VMware, Openstack, etc.
  • When using a multi-node cluster ensure nodes are not located such that a simple majority of nodes can be lost for example consider row, rack, network, power, storage
  • When determining the placement of clusters the closest location by the number of network hops should be utilized.
  • For “data center” applications collection should be local to the data center.
  • Consider IP Anycast