At the moment the application is written using a publish and subscribe mechanisim where the clients subscribe to a message and if anything changes the server publishes the new data. I would like to move away from this solution if possible.
Regards Jim. ----- Original Message ----- From: "Jim Poulsen" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, June 18, 2003 9:32 PM Subject: RE: OT Problem Domain question > The most efficient way, if you have access to a MOM, is to hook them all up > to a topic in JMS > > -----Original Message----- > From: James Black [mailto:[EMAIL PROTECTED] > Sent: Wednesday, June 18, 2003 3:27 PM > To: [EMAIL PROTECTED] > Subject: Re: OT Problem Domain question > > > Jim Collins wrote: > > >I have a number of clients that receive an XML datafeed. This datafeed can > >change due to various circumstances and I would like all the clients to be > >notified of any change. Would it be possible for a Web Service to notify > all > >clients of a change or would the clients need to continually poll the Web > >Service for any changes. > > > > > I am not positive what the ramifications would be, but callbacks may > be an option here. > > If all of your clients have web servers, a better solution might be to > have a cgi program that your server contacts to inform them of any change. > > Just some thoughts. > > -- > "We do not lose our identity in our relations with others; in part, at > least, we achieve our identity by those relations." Tony Blair, 1993 > >
