Retry Pattern

Retry Pattern https://msdn.microsoft.com/en-us/library/dn589788.aspx

https://msdn.microsoft.com/en-us/library/dn600223.aspx

http://www.servicedesignpatterns.com/WebServiceInfrastructures/IdempotentRetry

Idempotency Patterns

http://blog.jonathanoliver.com/idempotency-patterns/