[Bug 171347] Review Request: l2tpd - Layer 2 Tunneling Protocol daemon

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Summary: Review Request: l2tpd - Layer 2 Tunneling Protocol daemon


https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=171347





------- Additional Comments From paul at xtdnet.nl  2005-11-09 18:15 EST -------
Correct. But as you can see from the link you provided, Cisco allows anyone to
use their patent as long as it is IETF RFC compliant. This is Cisco's standard
policy on patents for their IETF work. In fact, their statement was made before
being awarded the patent. They complied fully with the IPR disclosure policy of
the IETF. The IETF does not release RFC's that are limited or in any way
discriminatory in their use. The patent holder (in this case Ciso) agree to a
royalty free, unrevocable use of their patent as needed for implementing the
IETF standards.

If there were any limitations on the implementation and use of L2TP, the L2TP
working group would not exist any more, and no new protocol additions or changes
would be accepted as RFC standard.

The L2TP became an IETF standard, see http://www.ietf.org/rfc/rfc2661.txt

Notice the RFC was issued after the disclosure for IPR by Cisco, so the IETF
fully knew about the patent and confirmed that there were no restrictions before
it issued the RFC.

In other words, there is no issue with this software patent. RedHat and users
are free to implement, use and deploy the L2TP protocol, without limitation of
royalties.

If RedHat refuses any software that has any software patent in it, then this
request should be denied (but then it should also strip NAT Traversal from the
Linux kernel's NETKEY module)

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