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Cross plotform communication technologies

Prabhakar Reddy Bokka
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Joined: Jul 26, 2005
Posts: 193

Hi All,

What was the most populer technology being used for cross plotform communication before web services?


SCJP 5, SCWCD 5
William Brogden
Author and all-around good cowpoke
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Joined: Mar 22, 2000
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    5
People invented all sorts of approaches that were the precursors of the formal standards of web services.

An early techniques was called Screen-Scraping - essentially capturing text that would normally be displayed on a terminal and parsing the desired data out of it.

Bill
Ulf Dittmer
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Joined: Mar 22, 2005
Posts: 42635
    
  65
That depends on what qualifies as "communication". Email is cross-platform, as are sockets, files and databases.


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Prabhakar Reddy Bokka
Ranch Hand

Joined: Jul 26, 2005
Posts: 193

I mean to say the synchronous request response kind of communication.
Prabhakar Reddy Bokka
Ranch Hand

Joined: Jul 26, 2005
Posts: 193

Folks !

any ideas??
William Brogden
Author and all-around good cowpoke
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Joined: Mar 22, 2000
Posts: 12825
    
    5
I mean to say the synchronous request response kind of communication.


What did you think I was talking about

In "screen scraping" your program would generate a request to a server, emulating the actions of a human being at a terminal.

The response - a character stream intended to drive a plain terminal display - would be examined for the requested data.

This wikipedia article describes the kind of terminal used in those days. The response character stream could be full of all sorts of control codes to format the screen because bandwidth was expensive and serial communication slow.

There - I have take you back to the dawn of cross platform communication - we now return you to modern life - please make sure your seat backs and tray tables are in the upright position.

Bill
(the grumpy historian of computing)
Prabhakar Reddy Bokka
Ranch Hand

Joined: Jul 26, 2005
Posts: 193

Thanks for the reply William.

The "screen scraping" was happening very olden days. I understand this is still in use. But once java comes into picture the things are chaged. and many are started using CORBA, JMS, MQs, TIBCO etc., before Web services. I know the webservices changed the picture totally.

But just before webserices is that CORBA was used popularly for synchronous communication? As i understand JMS, MQ, TIBCO are used for asynchronous communication.
William Brogden
Author and all-around good cowpoke
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Joined: Mar 22, 2000
Posts: 12825
    
    5
I think it is fair to say that CORBA was the next big deal in cross platform communication, if that is what you are asking.

CORBA attempted to tackle all of the incompatibilities between hardware and operating systems.

Bill
 
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subject: Cross plotform communication technologies