Limitations/Problems with SSO
Although the implementation of SSO has been available in WebSphere and Domino for some time, it is an evolving effort. WebSphere and Domino functions are growing (e.g., Lotus Instant Messaging) and are being combined in more complex ways (e.g., WebSphere Portal Server), which sometimes result in problems with SSO function. In this section, we point out some of the limitations of the implementations and problem areas.
SSO Across Domains. As mentioned previously, it is not possible to use SSO among servers that exist in different DNS domains. This is a limitation in the design of the cookie-based session sharing protocol implemented by Web browsers. Providing SSO across domains would require a more sophisticated “front-end ...
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