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High Availability

The SNMP protocol uses UDP as the transport protocol. Network reliability is a constraint. Consider network architecture when designing for high availability:

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