On Fri, Jul 2, 2010 at 2:55 PM, RJ Atkinson <rja.li...@gmail.com> wrote:
>
> However, it is important first to note that ILNP *by itself*
> enables a multi-path TCP implementation -- without requiring
> any TCP protocol extensions/options.  Further, ILNP's approach
> also enables any other transport-layer protocol to instantly
> become multi-path capable.

Interesting!

Could you explain in more details or point me to a paper how this is
achieved - couldn't find it described in
http://tools.ietf.org/html/draft-rja-ilnp-intro-03, thanks!

>
> To provide a single example of how ILNP can enhance existing
> proposals for MP/TCP, combining ILNP with MP/TCP enables one
> to use a single IPsec session with a multi-path TCP connection.
> By contrast, with current IPsec, one would need to have a
> separate IPsec session for each pair of TCP endpoints.  So
> the key management complexity associated with MP/TCP
> would be reduced from O(M * N) to O(1) -- which is a very
> significant benefit and quite complementary to existing work
> within the MP/TCP area.

True, since the IPsec session is "anchored" to the identifier and thus
agnostic to transport protocol changes.
But IPsec is not much used today, SSL/TLS has become the major player
except in site-to-site VPN solutions.
tcpcrypt is an interesting approach - but it is only for TCP

-- patte
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