Let's briefly describe several important notations that we will use in this book—consider this little section as an introduction to the BizTalk terminology. They are as follows:
Message Box: There are many books written on the topic of messages. We shall not discuss its details; let's assume that, intuitively, we understand what a message is. BizTalk operates with messages; they are the basic units of information that floats between connected applications. Once a message enters BizTalk, it is persisted in the Message Box, which consists of one or more SQL Server databases. This is essential for businesses that require highly reliable solutions. Also, persisting messages help with debugging, tracing, monitoring, and working with long transactions. Does it come with a price? Definitely. As architects, we have to realize that BizTalk is optimized for throughput rather than low latency; when we work on an integration solution, we have to assess that.
Publish/Subscribe: The...