Chapter 10. Delivery Protocols

IN THIS CHAPTER

• Overview of Notification Delivery in SQL-NS

• Preparing to Work with Delivery Protocols

• Using the Built-in SMTP Delivery Protocol

• Building a Custom Delivery Protocol

• Restoring Your System

Inside the distributor, notifications are formatted and then delivered. Formatting is handled by content formatters, as described in Chapter 9, "Content Formatters." This chapter looks at delivery protocols: the components that send formatted notification messages to external delivery systems for routing to subscribers.

This chapter explains how delivery protocols fit into the SQL-NS application model and how to use them in your own applications. It covers the key concepts behind delivery protocol operation, shows how to leverage the built-in SQL-NS delivery protocols, and explains how to build custom delivery protocols for your applications.