Ingo,
did you send this message again. or did the listserver screw up.
please don't send repeat messages.
brian
Brian M Schaefer Ph.D.
Senior Software Engineer
Onvia.com
Work. Wisely.
http://www.onvia.com
tel: 206.352.3376
fax: 206.352.3376
> -----Original Message-----
> From: Ingo Schuster [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, February 29, 2000 11:08 PM
> To: [EMAIL PROTECTED]
> Subject: Modelling use cases with JSPs/Servlets
>
>
> Hi everybody,
>
> I have a question regarding the architecture with servlets and JSPs:
> I have seen many postings on these lists describing an architecture
> with _one_ servlet that acts as the central handler and processes
> _all_ requests. It chooses which action to be taken, executes that
> action and forwards the request to the respective JSP for
> displaying the results:
>
> --> JSP
> /
> Requests --> Servlet ---> JSP
> \
> --> JSP
>
> I wonder if there is not another option to design the program
> flow for use cases that need several steps with user interaction:
> You could "chain" servlets and JSPs with one separate servlet for
> each step:
>
> init.
> request result request2 result
> -------> servlet1 ------> JSP1 --------> servlet2 ------> JSP2 -> ...
>
> Has anybody used this second approach for modelling use cases?
> What are the advantages/disadvantages of either architecture?
> Without having much expirience, I could imagine that the first
> variant might have difficulties to scale up - as this single servlet
> could turn out to be a bottleneck? On the other hand, it could be
> easier to maintain the first version and todo the security handling.
> What are the consequences for reuseability, flexibility,
> internationalisation?
>
> All comments are appriciated,
>
> ingo.
>
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