[mpls] Spencer Dawkins' No Objection on draft-ietf-mpls-self-ping-05: (with COMMENT)

["Spencer Dawkins" <[e-mail]>]

Spencer Dawkins has entered the following ballot position for
draft-ietf-mpls-self-ping-05: No Objection

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COMMENT:
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I was looking at 

   o  The UDP Destination Port MUST be lsp-self-ping (8503) [IANA.PORTS]
   
and wondering why this is a MUST. Is the answer that this mechanism works
within an administrative domain, so you can just tell the other end what
the port number needs to be?