Standards remain a huge issue for enterprise portals.
XML and its Web services derivatives Universal Description, Discovery
and Integration, and Simple Object Access Protocol are the critical
emerging standards. (See Web
services: Where middleware and XML converge). These
protocols will ensure the portal can incorporate new technologies
as they become available, says Gary Hein, an analyst with The
Burton Group.
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Other standards such as [Security Assertion Markup Language]
will simplify integration between portal and access management
products like Netegrity Siteminder, says Hein. SAML is an
XML security standard for exchanging authentication and authorization
information, currently being developed by the Organization for
the Advancement of Structured Information Standards.
Most vendors claim support for XML, but are waiting for standards such as SOAP
and SAML to be finalized. In lieu, they offer APIs, software developer kits and
third-party add-ins, such as Plumtrees hundreds of Gadgets.
As portal software and XML matures, such proprietary approaches will fade away,
Hein expects. In the meantime, network executives should ensure that code written
to a portals APIs can speak HTTP, as is the case with Gadgets, Plumtree
officials say.
Support for the Lightweight Directory Access Protocol (LDAP) is also critical.
With it, portals can tap into a companys existing LDAP identity and authentication
settings.
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