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New Post 2/17/2012 9:48 AM
User is offline Jeff
2 posts
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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


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 

Jeff,

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,

K

 
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