Wednesday, April 20, 2005

Re: Web Services

This was indeed nice article to know what Web Services are but it also left me with lot of unanswered questions like
a. Do applications need to be designed in XML or other such Web Services technologies?
b. Or will there be interfaces or middleware which will act as Web Services between two applications? What if one application is WS enabled and other one is legacy system?
c. Do you know of any of your clients who have used WS or such interfaces to make apps talk?
d. If WS is all about Open Source applications, I do not think any app vendor will make their applications with source open. Thus we will still need WS as middleware between two applications. How will it be different than present middlewares?

My feeling is WS should function as middleware which will take input from any system, convert it into open source/standard message and can send to any system that wants it. This way we isolate applications from challenges of interface building & maintenance when applications upgrade to newer versions or even when new applications are brought in the business operations.

I have feeling that in SCM, when RFID gains ground usage and impact of WS will be profound given that systems likes PKMS, Manugistics, SAP etc will need to read tags and update records. In this case PKMS or POS system will read the tags and update/create records. It will then automatically pass on this information to SAP, Manugistics without need to run scheduled process to run interface transfer.

I think we can go deep into this topic. I will find out what work has Manugistics done or plans to do in this area. Also I am sure there will be hundreds of independent bodies and vendors working on this. Let us discuss what is that we can do to get ourselves up to date on this topic and also how can we add value to our company or clients by bringing in new concept or practice in this area.

Salil

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