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Will J2ME will replace WAP ?

 
shailesh sonavadekar
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Recently I have come across an article on Web From Gartner Group. They have said that Java will replace WAP. What is Your Opinion Eric ? Many mobile phone companies are coming up with their own protocols? GPRS is going to come. New third generation GSM is in offing. what is the thing that will stay ?
this is the link : - http://www.allnetdevices.com/wireless/news/2000/10/23/java_will.html

[This message has been edited by shailesh sonavadekar (edited October 29, 2000).]
 
Eric Giguere
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It depends how well Java will run on these devices. The neat thing about having Java on a device is that you can run programs without having to be in coverage and without having to use precious online airtime. But don't get fooled by all those acronyms. When it comes down to it, what you're doing is comparing WML (with maybe WMLScript added in) against Java. Whether WML decks are delivered across GSM, CDMA, etc. is mostly irrelevant except for downloads speeds. And download speeds are going to be the crucial thing with Java programs: slow download speeds is really what killed applets as a viable application programming model. (That and inconsistent support for Java.)
Eric
 
shailesh sonavadekar
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thanks very much for your reply , Eric . I would like to ask you one ( silly ) question . Whether download speed will be important in case of wireless comm ? Since , with new protocols the speeds are going to be say 1 gbps or more (as boasted by the standard makers & supporting companies ) . Then , download speed will not be a problem.
can you please explain " Incosistent support for java " ?
Bye & Regards.
SHAILESH

 
Eric Giguere
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You know, I'll believe in high-speed wireless access when I see it. I know that all the network operators are planning these big networks, but it will take a while for them to deploy them (look at how long analog networks are still sticking around in North America). Also, the effective transfer rate is always 1/2 to 1/3 of what the "maximum" is due to interference and overhead. Don't be fooled by the hype! Speed will still be an issue for years to come.
As for Java inconsistencies, well basically Internet Explorer and Netscape had different bugs and different features in their Java implementations that made it hard to write a Java program that worked consistently across both. This was especially true when Java 1.1 came out -- Netscape did its upgrade in two steps several months apart, which caused massive confusion for users. This is partially why Sun came out with the Java Plug-in, so that they could control precisely how Java worked on the browsers. Still, by the time that happened I think the applet battle was lost to dynamic HTML.
Eric
 
Eswar Kosaraju
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dear shailesh,
as u might be aware, WAP is a set of technologies for wireless communications. it has its own scriptin language, WML, that is mainly used by browser based applications.
well, comin to ur question, WAP and J2ME are two different things. This difference lies in the fact that WAP allows u to develop browser based, thin client applications, whereas using J2ME, u can develop 'fat' client applications, meanin applications that has better logic and can be run 'offline'.
u can think of applications developed through WAP as a HTML page and the application developed through J2ME as any java application, or a java applet. and obviously we can't compare a HTML page and a Java Applet, can we ? both, we can say, r complimentary to each other.
regards
esh
 
shailesh sonavadekar
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one more intersting topic i have come across in kvmworld ( WAP IS DEAD ? ). any expert comment , Eric ?
http://www.kvmworld.com/Articles/WAPisDead.shtml
 
Eric Giguere
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Predictions go both ways, and it really depends what you mean by WAP. If by WAP you really mean the WML markup language (this is often the case), then it's possible it will go away once XHTML (or more precisely, XHTML Basic) becomes common (see http://www.w3c.org for details on XHTML). As for the protocols themselves, they could live on because they're optimized for wireless transmission as opposed to regular IP. In any case, WAP will be important for a number of years to come.
Eric
 
Suresh Gouru
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I THINK THE COST FOR INFRASTRUCTURE FOR A WIRELESS AND A WIRELINE IS 80% THE SAME ,BUT THE ONLY CHANGE REQUIRED IN INCREASE IN BANDWIDTH.

[This message has been edited by Suresh Gouru (edited November 21, 2000).]
 
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