"Hesham Soliman (ERA)" wrote:
> 
> 
>   > > I had a preliminary idea and was going to write something
>   > > about it. Basically the sender can generate the flow label
>   > > based on a hash of the source and destination port numbers.
>   > > This is straight forward enough. If we want to make it
>   > > more sophisticated then we can add another number
>   > > to the hash input (e.g P1 || P2 || x).
>   > > Where x can be something specific to this flow. But
>   > > I think P1 and P2 are enough.
>   >
>   > I guess this doesn't work where the source is setting up
>   > flows to more than
>   > one destination using the same source and destination port
>   > numbers. So I
>   > think you need to include destination address in the hash
>   > computation as
>   > well.
> 
> => Well, there is no requirement that the flow label is
> globally unique. So this should work as long as you use
> a unique value between 2 addresses.
> 

However, it's only useful for a subset of cases, so I don't think
it affects the basic definition in the draft.

   Brian
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