Re: NAT64 and matching identities

[Paul WALL <pauldotwall () gmail com>]

MSOs logging subscriber flows, what could possibly go wrong?

Drive slow, like a Sandvine under load,
Paul Wall


On Mon, Nov 18, 2013 at 8:03 PM, Tom Taylor <tom.taylor.stds () gmail com>wrote:

> On 18/11/2013 3:06 PM, Justin M. Streiner wrote:
>
> > It's looking more and more like NAT64 will be in our future.  One of the
> > valid concerns for NAT64 - much like NAT44 - is being able to determine
> > the identity of a given user through the NAT at a given point in time.
> > How feasible this is depends on how robust/scalable $XYZ's translation
> > logging capabilities are, and possibly how easily that data can be
> > matched against a source of identify information, such as RADIUS
> > accounting logs, DHCP lease logs, etc.
> >
> > Other IPv6 transition mechanisms appear to be no less thorny than NAT64
> > for a variety of reasons.
> >
> > I'm curious to see how others are planning to tackle (or already have
> > tacked) this issue.  Discussing vendor-specific solutions is fine, but I
> > think keeping things as platform/vendor agnostic as possible for the
> > time being would allow this thread to be more beneficial to a wider
> > audience.
> >
> > The floor is open...
> >
> > jms
> For logging, the following IETF Behave WG drafts are nearly complete. The
> IPFIX version will be updated soon (I hope) to more closely match the
> SYSLOG based one. They both will match the new NAT MIB document, also
> listed below:
>
> http://datatracker.ietf.org/doc/draft-ietf-behave-ipfix-nat-logging/
>
> http://datatracker.ietf.org/doc/draft-ietf-behave-syslog-nat-logging/
>
> http://datatracker.ietf.org/doc/draft-ietf-behave-nat-mib/
>
> There is also work being done on reducing log volumes by bulk allocation
> of ports. The following drafts will be combined to meet a Sunset WG
> milestone:
>
> http://datatracker.ietf.org/doc/draft-chen-sunset4-cgn-port-allocation/
>
> http://datatracker.ietf.org/doc/draft-tsou-behave-natx4-log-reduction/
>
> http://datatracker.ietf.org/doc/draft-donley-behave-deterministic-cgn/
>
> Tom Taylor