| 1 |
Although the implementation of the WebFlow proved to be very successful, we are not satisfied with this to the large extend custom solution
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| 2 |
Middle tier is based on a custom protocol implemented directly on top of URL and socket based interactions
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| 3 |
Not scalable (Uses multi-threading to support concurrency of user modules in middle-tier)
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| 4 |
Difficult to implement security features, fault tolerance, monitoring
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| 5 |
Impossible to take advantage of new technologies
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| 6 |
There is no flexibility to compose application
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| 7 |
Supports only data-flow model
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| 8 |
There is no persistent model( like with XML and java serialization)
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| 9 |
There is no way to copy and paste any user module running in a application
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