By setting up multiple peer instances of Interchange — ideally located at different physical sites — trading partners can be continuously replicated to a hot-backup instance of the trading engine.
Swapping between the production and backup instances is handled outside of Interchange by way of network routing configured by the peer network user. For example, given an external URL such as http://edi.myco.com/exchange/myco, the network could be set up to route requests for edi.myco.com internally to IP address 10.10.1.1 if the production instance is active or to 10.10.1.2 if the backup instance is active.
Production and backup peers: