EAI preserves the business's investment in existing applications and new applications to exchange data via messages governed by rules of the business process. A message broker routes messages among applications according to these rules. Data may be translated from one format to another to accommodate the needs of each application. EAI provides appropriate interfaces to each system and performs the necessary integration processing. Benefit of EAI - it can speed up the introduction of new services and reduce the resources required.
Pages contain text, graphic images, and links to voice and video.
Each page contains info defined using hypertext markup language. Each page is identigied by an address know as a uniform resource locator. Uniform Resource Locator -a compact representation of the location and access method for a resource available via the Internet. Used to locate resources by providing an abstract id of the resource location. A system may perform a variety of operations on the resource, once found, - access, update, replace, find attributes.