Thanks for your help. Does this IGMP thing work even the client is behind the NAT? 

----- Original Message -----
   From: Noury Bouraqadi <bouraqadi at ensm-douai.fr>
   To: "S.J.Chun" <chunsj at embian.com>, The general-purpose Squeak developers list <squeak-dev at lists.squeakfoundation.org>
   Sent: 07-07-10 08:12:16
   Subject: Re: Re: [OT, Q] Architecture for Message Broadcasting

  Hi,

You might want to look at UbiquiTalk discovery protocol.
It's based on IGMP (Internet Group Management Protocol).
Every device does broadcast its ip through IGMP so others can detect  
its presence.
http://csl.ensm-douai.fr/UbiquiTalk

Noury
Le 2 juil. 07  10:27, S.J.Chun a crit :

> Hi,
>
> I'm trying to create network service which is for message  
> broadcasting.
> For example, one user - authorized - sends messages to server, then  
> all
> connected - TCP will be used - clients/users are receiving the  
> message.
> I'm currently thinking of create a simple TCP server which receives
> message - message will be single line - then iterate over connected
> sockets to send message to them.
>
> Is this approach correct? I mean are there any more efficient  
> approach/
> architecture for this? I think IRC kind of thing will help but I  
> cannot
> find some understandable document on this kind of service.
>
> Thanks in advance.

Noury
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http://csl.ensm-douai.fr/noury

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