[routing-wg] route objects changes (AS migration)

Hello Sergey,

  > Hello,
  > 
  > we are under migration from one AS12772 to new one AS56341.
  > Currently, in RIPE DB networks have route-objects with old AS12772.
  > 
  > Could you tell me when I need make changes (modify or remove/add) in RIPE
  > DB:
  > 1) add new route objects before migration and remove old after migration;
this is the right way to do it;
this is called "make before break";
RPSL and the RIPE database support this by allowing route objects with
different "origin:" for the identical prefix at the same time.

  > 2) modify route objects after migration;
that's "wrong" because this means that you create a time window during
which your actual announcement is NOT documented/authorized by a matching
route object.
(Also keep in mind: route[6] objects use prefix AND origin AS as combined
primary key.  So two route objects with different origin: attribute should be
considered fundamentally different.  It may be correct to say "replace
the route object".)

  > 3) remove old route objects after migration and then create new objects.
you would make the time window mentioned for 2 even longer

Best regards,
  Ruediger


Ruediger Volk

Deutsche Telekom AG -- Internet Backbone Engineering

E-Mail:  rv at NIC.DTAG.DE