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Jim, You are right about the server calls, basically almost all your events are handled at the server. This was my concern when I started playing with Echo. I used Echo1 with several 10's of concurrent users < 100 concurrent users, on a generic Windows 2K server (no fancy hardware) running Tomcat, with a few other similar apps on the same server. Performance was
reasonable. With Echo2 being AJAX based, the amount of data for each server call is decreased, you know; partial page population. As I stated earlier, I have not used Echo2 in a production env. to report a personal experience. However, from what I read, its performance should be even better than Echo1. At any rate, I do not think its performance should be different from other
AJAX based apps that require similar server calls. I will be glad to hear if anybody has any production experience with Echo2. This brings another non-technical concern about Echo that we should keep in mind. No matter how cool or fast it is, there are not many people who use it. For a project manager it is much easier to find somebody who has struts/jsf/tapestery? with an AJAX add-on library, than
to bring somebody with gwt or echo experience. Abdul
jim_garrett@xxxxxxxx wrote:
As I understand Echo2, every click of the screen could require a server call to resolve the action being done. Can you comment on how well Echo2 performed on a system with several hundred simultaneous users?
--
Jim Garrett
email:jim_garrett@xxxxxxxx
---- Abdul Habra wrote:
> My favorite is Echo2:
> http://www.nextapp.com/products/
>
> Fully OO, Java only (no xml, html, ...), built on top of AJAX.
> I used Echo1 in 2 projects and was very
happy with it.
> Did not use Echo2 in any live project, but a friend of mine did, and he loved it.
> Sounds like I am making a commercial :)
>
> I would also look at Tapestry/Tacos. Tapestry is a mature product.
>
>
> twcrone@xxxxxxxxxxxxx wrote:
> I'm currently researching Ajax packages. I have experimented with DWR for RPC stuff and played with GWT very little. Other than that I am looking primarily at Dojo and maybe ICEFaces if my shop decides to use JSF. I'm curious about TIBCO GI since TIBCO now sponsors DWR. I saw Stuart Halloway's session notes on Prototype and Script.aculo.us.
>
> My shop is currently very committed to using Spring and has used OpenLazlo in the past but we don't want to use it for our future work.
>
> What is everyone's favorites now?
>
> As always, thanks for the info...
>
> - Todd
>
>
> Thank You,
> Abdul
Habra
>
> ---------------------------------
> Access over 1 million songs - Yahoo! Music Unlimited.
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