Re: RE: [802.21] Question today about upper layers
Hi Stefano,
----- Original Message -----
From: stefano.faccin@nokia.com
Date: Tuesday, March 15, 2005 9:19 pm
Subject: RE: [802.21] Question today about upper layers
> Greg, Peretz,
> Please find some comments/questions below related to where control
> resides.Stefano
>
> -----Original Message-----
> From: owner-stds-802-21@LISTSERV.IEEE.ORG [mailto:owner-stds-802-
> 21@LISTSERV.IEEE.ORG] On Behalf Of ext Greg Daley
> Sent: Tuesday, March 15, 2005 12:52 PM
> To: STDS-802-21@LISTSERV.IEEE.ORG
> Subject: Re: [802.21] Question today about upper layers
>
> Hi Peretz,
>
> ----- Original Message -----
> From: Peretz Feder <pfeder@lucent.com>
> Date: Monday, March 14, 2005 10:47 pm
> Subject: Re: [802.21] Question today about upper layers
>
> * Greg:
> >
> > I am of the opinion thet MIH commands lower layers to switch a link
> > and in
> > conjunction inform upper layers to take care of the IP signaling
> > over the new
> > selected link.
> [SFa] I am afraid that this implies that the decision to perform
> handoff is taken by the MIH function. If it weren't so and an upper
> layer were the one making the decision, why would the MIH function
> need to inform upper layers to take care of the IP signaling? I
> believe this needs to be clarified.
Indeed.
I think that the MIH can indeed tell us if the
L2 is going away, though.
This can be through its own knowledge or the
explicit direction of the network.
Greg