July 2017
Intermediate to advanced
414 pages
11h 18m
English
During the transition phase, we have to keep both old and new user interfaces together. There are three general approaches usually taken in this scenario.
The first approach is to have the old and new user interfaces as separate user applications with no link between them, as shown in this diagram:

A user signs into the new application as well as into the old application, much like two different applications with no Single Sign On (SSO) between them. This approach is simple, and there is no overhead. In most of the cases, this may not be acceptable to the business, unless it is targeted at two different ...
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