All things related to multicast

[Marc Manthey <>]

Am 02.04.2008 um 19:12 schrieb Hitoshi Asaeda:
> It is possible to set up a single agent in the start up phase. In this
> case, the agent system (with one agent) simply behaves as a central
> web server. If we set up a large number of agents, these agents  
> communicate each
> other to synchronize the session information (as a replication
> manner). This would give its robustness and better performance.
> And also, using multiple agents enable to set up some policy
> definition, since "your" agent can maintain "your site-local" session
> information without synchronization, as well as the global session
> information that is shared with other agents.
> > http://www.sfc.wide.ad.jp/~asaeda/talk/2007f-I2-Asaeda.pdf

hello Hitoshi,

from my understanding the "multicast"  IGMP/MLD packets need to get  
forwarded
in the router / host where the tunnel / endpoint is terminated.

or how could the client join session if they are behind a NAT ?
Are the tunneled via "http" ?

thanks and
all the best

Marc

> > From an end user, CR is just looks like a web system. The user does
> > not need to know the agents, and hence helper applications can be  
> > used.

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