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New Post 2/17/2012 9:48 AM
User is offline Jeff
2 posts
No Ranking

Architecture question 

I'm not sure where this question would go and i'm not aware of any forums for architecture buffs on the internet.


My question is simple.  If there is a web service offered by vendor X, what's the proper (best practice) way to call it?


1) Directly

2) Via an Integration Layer


I'm keeing it vague for a reason to encourage wide open answers. 

New Post 2/20/2012 7:37 PM
User is offline Adrian M.
764 posts
3rd Level Poster

Re: Architecture question 

Hi Jeff,

While this forum is not architecture centric here's one view.

The generic/vague answer to your generic question is "it depends".

It's hard to answer a generic question with specifics without having detailed requirements of what you are trying to accomplish.

The answer would depend on a miriad of variables such as:

  • Is the functionality being provided open to any anonymous client (ex: tell me the state & county for a given zip code)?
  • Is the service going to be called via the internet or within a company's internal network?
  • Should the service require authentication thus requiring an authentication layer or scheme?
  • Does the service deal with private data which need to be protected (ex: SSN, date of birth, credit card numbers, etc.) thus requiring an encryption method or layer?
  • Is the service data reach (either input or output) and does the client use the service schema natively vs. needing a data mapping and translation layer?
  • Is the service going to be used by an organization which has certain architectural standards already in place for calling web services?
  • Are there any requirements for monitoring the performance and uptime of the service?
  • etc.
  • etc.
  • etc.


Adrian Marchis
Business Analyst Community Blog - Post your thoughts!
New Post 3/5/2012 6:04 AM
User is offline KJ
243 posts
6th Level Poster

Re: Architecture question 


It depends. If you using a 2-tiered architecture, then you'd call the service directly. However, if you using a 3-tiered architecture (View-Control-Model) then the view (interface object) would call the Model service via the Controller layer.

So if the webservice provided by vendor -x is no longer needed, it can easily be replaced by vendor-Y product if you use the 3-tiered architecture.

The newer J2ee provisions n-tiered architectures, which means you can scale, replicate with sufficient redundancies etc. (but thats another story)

warm regards,


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