notification service ( server ) for webbased applications

[sarat12in]

hi all i need information on notification service ... for web-based applications i wanna develop a chat system please send me the kinks r sources where i can get the information on notification service r serve ... i really in need of that i hope i will get reply from u thank you

[Thanks for all the fish]

expose web service in your chat system, call it from win service

[sarat12in]

thanx for ur reply but i cudnt understand can u plz explain me lil bit more and can u give me pointers on that info and links will do plz reply me again