Advanced Issues |
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Communication between VANs can sometimes be unreliable. It's important when evaluating a VAN that you find out how they handle communication to other VANs. They should have a direct connection or use X.400. An additional protocol, X.12.56 EDI Interconnect Mailbag Handling, is intended to facilitate communication between VANs and improve the gateway reliability.
Additionally you need to know when data is sent between VANs because this can affect your business operations.
Reliable Internet connections between trading partners is making the
issue of managing interconnects between VANs less of an issue.