[c-nsp] OER, 12.3T

[Bruce Pinsky]

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Paul Stewart wrote:

| I just read the white paper... sounds interesting but have not tried
| deploying it...
|
| Would be nice if something could dynamically control inbound AND
| outbound traffic... sounds like OER only does outbound right?
|

By dynamically controlling outbound traffic direction through two (or more)
different providers with different address pools, you effectively control
the return path and how the traffic is distributed between them.  It's then
a matter of watching the inbound traffic levels and applying some policy,
whether that be cost-based, utilization-based, or something else.

The presumption, of course, is that NAT is being used, since that is
currently the only way I know of to vary the source address.

I haven't looked to see lately if doing this is possible with OER.  I know
that the "routing optimization" appliance from Infiniroute (formerly
Proficient Networks) was capable of doing it.  Other vendors may also have
such a capability.

- --
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bep

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