These two are TIBCO product and used extensively across global investment banks for front end to back end communication or server to server communication. though they have difference in the manner they have designed and the specification they are based upon.
Tibco RV stands for Tibco Rendezvous which is based on proprietary tibco protocol (TRDP/PGM) developed by company. They have provided API in almost all major programming language and this is a preferred choice if you need high speed communication e.g. publishing market data updates etc.
Tibco EMS stands for Tibco Enterprise Messaging service and is based upon JMS specification which is provided by Sun MicroSystem. though other JMS implementation also available e.g. MQ Series
Important part of Tibco RV:
Rendezvous Daemon (RVD):
Most important part application connects to rvd daemon over TCP protocol which in tern responsible for efficient messaging over the network using TRDP/PGM multicast/broadcast transport with subject based filtering.
Rendezvous Routing Daemon (RVRD):
It is used to bridge two regional network say Tokyo and London or London and New york Implements point-to-point (TCP) routing of messages with subject-based filtering across different multicast networks and also handles the RVD functionality on the local network.
Difference b/w TIBCO RV and TIBCO EMS:
1. Tibco RV is proffered choice for high speed messaging e..g publish of market data etc while Tibco EMS which is based upon JMS implementation is mostly used for more reliable messaging.
2. Tibco EMS are static in nature and they get created on Tibco EMS Server while Subject of Tibco RV is dynamic in nature.
3. Tibco RV works on Bus model every node connected to bus have RVD running so no single point of failure if one node goes down other can still communicate with each other while in case of Tibco EMS work on Hub and Spoke model.
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