Re: [MIP-QOS] RE: MIP-QOS -- Scope of discussions - One more comment

["ext Xiaoming Fu" <fu@ee.tu-berlin.de>]

Hemant.Chaskar@nokia.com wrote:
> 
> After more careful look into the issue raised by Murray Philip, now I
> realize that there are a number of possible routes MN's packets may take
> after handover:
> 
> 1. Non-optimized path which includes a segment from CN to HA and another
> from HA to MN.
> 
> 2. Optimized path from CN to MN.
> 
> 3. Temporary tunnel between old and new access routers created by some
> mobility protocols such as fast handover (note that even though the routers
> may be physically adjacent, this tunnel could be a long one, possibly even
> crossing the core).
> 
> Is it absolutely required to provide QoS support on all these segment? Or
> shall we just say that it is required to provide QoS support on optimized
> path and leave others as optimizations.?
Since we are seeking for a general solution we have to say yes, however
we can look into one of more representative case I suppose.

Xiaoming