Re: Overlays and encapsulations (was Re: Engineering discussions )

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On Wed, Mar 12, 2014 at 2:15 AM, Joe Hildebrand <hildjj@xxxxxxxxxxx> wrote:
On 3/9/14 10:32 PM, "Alia Atlas" <akatlas@xxxxxxxxx> wrote:

>   In most modern networks, it is important to have microflow diversity.
>When IPv6 and flow-labels aren't an option, this frequently defaults to
>UDP or TCP 5-tuples (src/dest IP, protocol, src/dest port)
>
>For instance, how many issues would be solved if there were a well-known
>meta-data header that an application could use to describe itself to the
>network and middle boxes?

No issues would be solved.  Applications would all tag things the same as
the HTTPS traffic to Google to ensure that the network did not prevent the
application developer from making money.

Sadly, you are probably right.  Some of it might be independent of that, but this
is why the network tends to not trust what applications say.  It'll be exciting if the
information that networks do depend on starts being primarily encrypted.

Alia
 

--
Joe Hildebrand






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