MIS365 18 - On The Horizon

MIS365 18 - On The Horizon - MIS365 Data Communications &...

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MIS365 Jerry Malcolm On The Horizon
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Quote “I believe the United States Patent Office should be closed… Everything that could possibly be invented has already been invented… --- Director of U.S. Patent Office --- ~1895
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The Future In information technology, there will always be another challenge / issue / desire that needs to be addressed Several of these are already known Many others are yet to emerge A solution to one challenge will likely introduce additional challenges
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Recent Challenges Today, we are going to address some of the challenges that have emerged in the last 5-8 years Several of these have solutions that are maturing Others are still on the horizon
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Agenda Services Web Services Service Oriented Architecture (SOA) Enterprise Application Integration (EAI) Web 2.0 IPv6
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Services Problem: You have accumulated a huge database of baseball stats for Major League Baseball players going back to the 1940’s You would like to sell subscriptions to researchers looking for an easy place to find this information You can create a nice webapp html interface to allow the user the specify the search criteria and then present an html page with the results Problem is…. Most of your clients are other computer applications that need ‘machine readable’ information They have their own web site They simply want to aggregate your information into their own pages for their own clients
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Services It is not out of the question for them to format an http request simulating the request data from an html form. Then they would parse the returned html page, and dig out the stats from the formatted page We talked about this exact problem in our XML discussion This scenario calls for XML data exchange – not formatted HTML
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Service Service characteristics 1-n operations that it will perform An interface definition specifying how to access the operations and exchange data
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Interface Definition An interface definition requires four things: A list of Operations getBattingAverage getOnBasePercentage For each operation:
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This note was uploaded on 10/20/2011 for the course MIS 365 taught by Professor Malcolm during the Spring '09 term at University of Texas.

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MIS365 18 - On The Horizon - MIS365 Data Communications &...

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