Is server calbacks possible accross firewalls??
Anamitra
-----Original Message-----
From: Chris Raber [mailto:[EMAIL PROTECTED]]
Sent: Thursday, April 06, 2000 12:48 PM
To: [EMAIL PROTECTED]
Subject: Re: Sending Events to EJB Clents
JMS, or CORBA or RMI callbacks will do the job.
-Chris.
> -----Original Message-----
> From: Denys Kim [SMTP:[EMAIL PROTECTED]]
> Sent: Thursday, April 06, 2000 1:06 AM
> To: [EMAIL PROTECTED]
> Subject: Sending Events to EJB Clents
>
> Greetings
>
> IHAC who is using Persistence PowrTier EJB app server for on-line trading
> and stock updates. The client is a standalone Java application that
> essentailly logs in and pulls info from the EJB server. It also must
> receive stock updates from the EJB server that is in turn receving updates
> from the a legacy data source. The question is, once the EJB beans has
> recieved updates from the legacy data source (via JMS or other App server
> supported messaging system) what mechanism can be used to push the data to
> a client acrosss the internet. One option under consideration is using
> JMS Topics to do pub/sub push to the client. I believe the JMS Topics are
> using multicast underneath (the JMS providers are I should say) and if
> this is the case, can multicast span the internet across routers that may
> not support multicast. If JMS is not an option what other methods can be
> used (other than sockets of course). I believe Weblogic has a proprietary
> event delivery mechanism as well. Any!
> h!
> !
> !
> elp will be greatly appreciated.
>
>
> Denys
>
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