Dear Authors,


I understand that in this document you want to focus only on - "Dynamic 
creation of MPLS TE LSPs between BGP/MPLS IP-VPN sites" and not the complete 
PCE-VPN-EXT.



I agree completely with the need for address translation and use of VPN-IPv4/v6 
ENDPOINTS.



Though you mention that the model will work when PCE function is not the PE 
router, it's not immediately understood how. Especially when identification of 
VPN is based on incoming interface?

If all PE routers must act as PCE, isn't it a drawback. Do you think this rule 
is acceptable?

We need to figure out how PCE can learn the VPN information or do PCE and VPN 
must always co-locate.



Also I find customer sites acting as a PCC, and connecting directly to Service 
Provider PCE not compatible with the PCE architecture.

PCE-VPN-REQ documents talk about customer PCE cooperating with Service Provide 
PCE which fits better in the inter-domain path computation paradigm.



Kindly provide your thoughts on this.



Regards,

Dhruv
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Dhruv Dhody, Senior Technical Leader, Huawei Technologies, Bangalore, India, 
Ph. +91-9845062422<tel:%2B91-9845062422>
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