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Chapter 11

Certified Message Delivery

Although Rendezvous communications are highly reliable, some programs require even stronger assurances of delivery. Certified delivery features offer greater certainty of delivery—even in situations where processes and their network connections are unstable.

This chapter explains the conceptual foundations of Rendezvous certified message delivery, the way it works, and ways to use it.

Topics 

•	Certified Delivery Features

•	Reliable versus Certified Message Delivery

•	Example Applications

•	Inappropriate Situations

•	Decentralization

•	Certified Message Delivery in Action

•	Creating a CM Transport

•	Labeled Messages

•	Discovery and Registration for Certified Delivery

•	Delivering a Certified Message

•	Sequencing and Retransmission

•	Persistent Correspondents

•	Anticipating a Listener

•	Canceling Certified Delivery

•	Disallowing Certified Delivery

•	No Response to Registration Requests

•	Reusable Names

•	Ledger Storage

•	Relay Agent

See Also

Certified delivery software uses advisory messages extensively. For example, advisories inform sending and receiving programs of the delivery status of each message. For complete details, see Appendix B, Certified Message Delivery (RVCM) Advisory Messages.

With programs that send or receive certified messages across network boundaries, you must configure the Rendezvous routing daemons to exchange _RVCM administrative messages. Discuss this detail with your network administrator.

 

Table 23 Certified Message Delivery Programming Details 

C	Certified Message Delivery in TIBCO Rendezvous C Reference
C++	Certified Message Delivery in TIBCO Rendezvous C++ Reference
Java	Certified Message Delivery in TIBCO Rendezvous Java Reference
.NET	Certified Message Delivery in TIBCO Rendezvous .NET Reference

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