hi all. i don't know much about com or .net remoting so this question might be a little confused. as far as i understand com system provides about the same functionality as ejb meaning that it has to have some kind of container. an application server like jboss in the case of ejb. in .net remoting i can register my service classes without the need for an application server. so is there any advantage to using com / application server? when you'll have to build a distributed application which method will you choose? is com going to become legacy? 10x much.
remoting vs com
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remoting vs com
by Sharon » Fri, 05 Dec 2003 12:30:10 GMT
Re: remoting vs com
by David Browne » Fri, 05 Dec 2003 15:42:34 GMT
COM (nee ActiveX, nee OLE) = Component Object Model COM+ (nee MTS, aka Component Services, aka Enterprise Services) = Application Server COM is definitily on the way out. COM+ is not. COM+ offers a range of services for running your service classes. (Lifetime Services, Queued Components, Object Pooling, Contexts etc). You can use these or do without quite easilly. For instance COM+ allows you to drop in a service class and run it as a service. You can also just write a service, open a remoting channel, and you've got your own application server. David
Re: remoting vs com
by Krishnan » Fri, 05 Dec 2003 17:02:55 GMT
This might be a bit offbeat. I have used COM with VB, but not COM+ much. I heard that COM+ server does not provide object pooling although the UI has the facility to set the object pool size! Is this true? Krishnan "David Browne" <davidbaxterbrowne no potted XXXX@XXXXX.COM > wrote in as an you (Lifetime in service,
Re: remoting vs com
by Sharon » Fri, 05 Dec 2003 22:59:25 GMT
got it . 10x :) one more question: is com+ replacing dcom as well? "David Browne" <davidbaxterbrowne no potted XXXX@XXXXX.COM > wrote in as an you (Lifetime in service,
Re: remoting vs com
by David Browne » Sat, 06 Dec 2003 00:00:47 GMT
DCOM is the remoting protocol for COM. COM+ uses DCOM for remoting COM objects. So as COM components are replaced by .NET assemblies, DCOM is replaced by .NET remoting. David
Re: remoting vs com
by Sharon » Sat, 06 Dec 2003 14:07:58 GMT
10x again for moving things into place :) "David Browne" <davidbaxterbrowne no potted XXXX@XXXXX.COM > wrote in
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Hello. I am doing a research on dcom, com+ and remoting. We are about to develop a web application consisting 3 tiers ( web server, application server, db server ) We are going to develop front end in asp.net and ms sql in the back end. The middle tier mostly will be grabbing data from the db and give the result to the front end. I'd like to know what would be the better way to do this. Should I use only one object in the middle tier that communicate to all the threads requested from the web server? ( i'd like to know the pres and cons ) I heard that dcom is better than com+ in particular situation so I'd like to know in what situation remoting would be the best fit in the middle tier and why Thanx in advance
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5.Subject: Remoting Server and COM calls (slow COM calls)
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