Monday, March 15, 2010

WSRP Specification


The WSRP specification defines a web service interface for interacting with presentation-oriented web services. Initial work was produced through the joint efforts of the Web Services for Interactive Applications (WSIA) and Web Services for Remote Portlets (WSRP) OASIS Technical Committees in September, 2003.

It is an interoperability standard. It’s platform- and language-neutral. It’s all about requesting and transmitting chunks of HTML using SOAP.

The purpose of the Web Services for Remote Portlets protocol is to provide a web services standard that allows for the "plug-n-play" of remote running portlets from disparate sources. Many sites allow registered users to personalize their view of the website by turning on or off portions of the webpage, or by adding or deleting features. This is sometimes accomplished by a set of portlets that together form the portal.

WSRP defines how a portal can connect to a diverse set of information service providers using a single, generic protocol that requires only one type of portlet (a WSRP consumer portlet). This has the potential of greatly easing the integration burden associated with portal deployments.

The Key capabilities of WSRP

  • Allow portals to publish portlets so that other portals can consume them without programming.
  • Make the Internet a marketplace of visual Web services, ready to be integrated into portals.
  • Allow anybody to create and publish his or her content and applications as user-facing Web services.
  • Allow line-of-business portal administrators to browse directories for WSRP services to plug into their portals without programming effort.
  • Enable interactive, user-facing Web services to be easily plugged into standards-compliant portals.

WSRP v1 and v2

WSRP v1 provides a limited interoperability platform. So that effort could be concentrated on WSRP v2. WSRP v2 will augment the initial standard with cross-portlet coordination and access management features.

This major update to the standard will permit for a more useful integration of multiple of content sources, regardless of whether they are local or remote, into a new web application.

In addition, WSRP v2 may support some subsets of Web 2.0 technologies, such as AJAX and REST, without requiring them.

WSIA (Web Services for Interactive Applications) will extend the concepts in WSRP to a range of distributed Web applications, not just portals.

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