Subject: Re: Hi

From: Bob Braden <[email-masked]>
Date: Wed, 25 Oct 2000 15:42:55 GMT

*> From [email-masked] Wed Oct 25 06:41:58 2000
  *> From: "Liu Xiaoyun" <[email-masked]>
  *> To: <[email-masked]>
  *> Subject: Hi
  *> Date: Wed, 25 Oct 2000 21:35:59 +0800
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  *> Hello, everyone,
  *> 
  *> I have a question about RSVP.
  *> For a multicast session, a user joins the multicast group after the multicast
  *> session has been initialized.
  *> I think that the user can only receive the path message at the latest
  *> refresh time. That is to say that the user may have to wait for a RSVP refresh time to receive the path message. Am I right?
  *> 

No, not in general.  If the join is on a local broadcast LAN, then
the node should already have path state.  Otherwise, the join is
a routing change that should trigger a "local repair", i.e.,
trigger the nearest node to send an immediate Path refresh.

Bob Braden

  *> Thanks a lot.
  *> 
  *> Xiaoyun
  *>