Re: Elimination of Registration Response Success /w Warning/Modificat ion from ASAP draft

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Thursday 14 October 2004 22:23, Johnson Walter-CWJ002 wrote:
> Currently the registration procedure of the ASAP draft in section 3.1
> supports three cases.
>
> 1) Success
> 2) Success /w warnings/modifications
> 3) Failure
>
> I believe that the registration procedure should only result in either
> success or failure eliminating case 2.
>
> Let me explain.
>
> For instance, let say the PE can't adapt its policy from the policy sent in
> the registration message. If the PE receives a registration success /w
> warnings/modifications and can't adapt, it should remove itself from the
> pool. Then the PE would need to deregister or not re-register itself to be
> removed from the pool. This would cause updates to happen across all peer
> ENRP servers since the PE would need to be removed from the pool to which
> it was recently added, resulting in many messages being sent to maintain
> namespace synchronization. Also before this deregistration occurred,
> several PUs could have starting using this PE for service which results in
> its own problems.
>
> If instead the registration was rejected using the operation error codes
> regarding the problem, the PE could simply send a single message to
> register again if changes could be made. Otherwise no message would be sent
> if the PE couldn't adapt.
>
> I believe this is much simpler and would result in fewer overall messages
> being sent within the RSerPool architecture and would result in a cleaner
> ASAP implementation.
>
> What does everyone think?

This is useful. The rsplib prototype already does not try to adapt a PE's 
policy to another one and directly rejects the registration with an 
appropriate error code.


Best regards
- -- 
=======================================================================
 Dipl.-Inform. Thomas Dreibholz

 University of Essen,                            Room ES210
 Inst. for Experimental Mathematics              Ellernstraße 29
 Computer Networking Technology Group            D-45326 Essen/Germany
- -----------------------------------------------------------------------
 E-Mail:     [email protected]
 Homepage:   http://www.exp-math.uni-essen.de/~dreibh
=======================================================================
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)

iD8DBQFBb5gz32BbsHYPLWURAmveAJ47qMvbDioUFPj4as29rHoxzUHHVwCfTOWr
ExhfTnrZhoDVenpk557TSy8=
=UiUO
-----END PGP SIGNATURE-----