B2B Integration : A Practical Guide to Collaborative E-commerce

222 B2B Integration — A Practical Guide to Collaborative E-commerce
Scalability
MOM is a highly scalable technology. The scalability of MOM has
resulted in its wide-spread use in some of the world's largest and most
complex systems, including many within demanding Wall Street financial
institutions.
Reliability
MOM is not a new technology. It has been around for over a decade
and has a proven track record in some of the most demanding
environments. It is extremely reliable and able to handle high
transactional systems.
8.3.2. Types of communication
There are three asynchronous: broadcasting, publish/subscribe and pointto-point
and one synchronous: message passing messaging models in
common use today.
Broadcasting
In a broadcast communication, a message is sent to every application on
the network. Broadcasting may also be referred to as 'fire-and-forget'.
Applications then decide if they want to act on the message. If an
application has a need for the message, it will process the request and
possibly respond to the sender. Otherwise, the message is ignored.
Broadcasting is generally not recommended for a messaging solution,
as it can impact network performance by increasing overall network
traffic.
Publish/subscribe
A publish/subscribe messaging system supports an event-driven
model where information consumers and producers participate in the
transmission of messages. Producers 'publish' events, while consumers