Luigi,
SEAL is right now implemented as a Linux kernel protocol module, and
used to support tunnel-mode and transport-mode applications. It sounds
like what you need is an application-mode instantiation of SEAL, where
the layering would be something like:
Inner-IP/LISP-SEAL/UDP/Outer-IP
In that case, to do it at the application layer we would simply need to
pull the 'seal.c' code up into your application and implement some kind
of packet filter that could capture IPv4 first-fragments ICMPv4 "Fragment
Needed" messages at the application layer. That shouldn't be too hard, I
don't think?
I'll desist now since this is vectoring off into discussion that should go
to the other lists. But, I just wanted to have this application-layer
implementation option for SEAL out on the table since it isn't well
documented in the current spec.
Fred
[EMAIL PROTECTED]
________________________________
From: Luigi Iannone [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 16, 2008 1:56 PM
To: Templin, Fred L
Cc: [EMAIL PROTECTED]; rrg; Sébastien Barré
Subject: Re: [RRG] Publicly available LISP and shim6 implementations
Hi Fred,
in the new openlisp report we cited seal (section 6.8.2)
I do not know yet the details of your implementation, but if it runs in
the user space, thanks to OpenLISP's mapping sockets, to set MTU towards
specific RLOCs is pretty easy.
Cheers
Luigi
Le 16-juil.-08 à 22:48, Templin, Fred L a écrit :
Oliver et al,
Integrating LISP with SEAL is a possible next step of interest.
If you would like to try putting your implementation together
with SEAL, let me know:
http://osprey67.com/seal
(IMHO, in the future our LISP should be SEALed.)
Fred
[EMAIL PROTECTED]
-----Original Message-----
From: Olivier Bonaventure [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 16, 2008 12:35 PM
To: rrg
Cc: Luigi Iannone; Sébastien Barré
Subject: [RRG] Publicly available LISP and shim6
implementations
Hello,
To allow researchers to experiment with some of the
mechanisms
that are
being extensively discussed on the RRG mailing lists,
we are happy to
announce the public release of two implementations :
- OpenLISP is the first publicly available
implementation of
the Locator
Identifier Separation Protocol (LISP) that has been
extensively
discussed within the RRG. OpenLISP runs on the FreeBSD
kernel and has
been written by Luigi Iannone.
- LinShim6 is the first implementation of the shim6
IPv6 host-based
multihoming solution developped within the IETF shim6
working group.
LinShim6 runs on the Linux kernel and has been written
by
Sebastien Barré.
You can find additional details (implementation
reports, source code,
papers, ...) about these two implementations from our
webpage :
http://inl.info.ucl.ac.be
Best regards,
Olivier Bonaventure
PS: Discussion about LISP/shim6 should be sent on the
lisp/shim6 mailing
lists and not on the RRG mailing list
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Luigi Iannone
[EMAIL PROTECTED]
