RFC 2005 (rfc2005) - Page 3 of 5

Applicability Statement for IP Mobility Support

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RFC 2005           Mobile IP Applicability Statement        October 1996


3. Security

   Mobile IP mandates the use of cryptographically strong authentication
   for all registration messages exchanged between a mobile node and its
   home agent.  Optionally, strong authentication can be used between
   foreign agents and mobile nodes or home agents.  Replay protection is
   realized via one of two possible mechanisms -- timestamps or nonces.

   Due to the unavailability of an Internet key management protocol,
   agent discovery messages are not required to be authenticated.

   All Mobile IP implementations are required to support, at a minimum,
   keyed MD5 authentication with manual key distribution.  Other
   authentication and key distribution algorithms may be supported.

   Mobile IP defines security mechanisms only for the registration
   protocol.  Implementations requiring privacy and/or authentication of
   data packets sent to and from a mobile node should use the IP
   security protocols described in RFCs 1827 and 1826 for this purpose.

4. MIB

   At the time of publication of this Applicability Statement, a
   Management Information Base (MIB) for Mobile IP has been written and
   documented in RFC 2006.

5. Implementations

   Several implementations of Mobile IP are known to exist.  The
   following list gives the origin and a contact for several such
   implementations:

      Organization:   Contact:

      CMU             Dave Johnson [email protected]>
      FTP Software    Frank Kastenholz [email protected]>
      IBM             Charlie Perkins [email protected]>
      Motorola        Jim Solomon [email protected]>
      Nokia           Gunyho Gabor [email protected]>
      SUN             Gabriel Montenegro [email protected]>
      Telxon          Frank Ciotti [email protected]>

6. Implementation Experience

   FTP Software hosted an interim meeting, October 23-27, 1995 in which
   interoperability of several implementations was demonstrated.  The
   following major features of the Mobile IP protocol were tested:




Solomon                     Standards Track
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