Subject: Explicit Object

From: [email-masked]
Date: Mon, 17 Jul 2000 08:50:42 -0400

Hi all,

Two questions about ERO:
 
1. In draft-mpls-rsvp-lsp-tunnel-05.txt, section 4.3.2, it says "Certain operations to be performed along the path can be encoded in the ERO".

In draft-mpls-rsvp-lsp-tunnel-06.txt, the operations is not mentioned.

My questions is: no operation is allowed in new draft or it's still there but not mentioned?

2. In section 4.3.4.1, 3)
it says "Next, the node evaluates the second subobject.  If the node is
   also a part of the abstract node described by the second subobject,
   then the node deletes the first subobject and continues processing
   with step 2, above." 

In my understanding, when a node received a Path message with a ERO, it first check the first subobject in the ERO, if the node is a part of the abstract node described by the fisrt subobject, then the node check the second subobject. If no second subobject, ERO is removed by the node. If there is the second subobject, the node should use the second subobject to replace the first subobj or insert the second subobj before the first subobject.

Is that correct? What the semantics of "Next, the node evaluates the second subobject.  If the node is also a part of the abstract node described by the second subobject" ? Is the node is that received the ERO with the first subobj? If it is, how is it described by the second subobj?

I am appreciate for your answer.

Thanks

Ted

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