[mpls] a question about draft-cheung-mpls-tp-mesh-protection-01

[[e-mail]]

 hi,
 today I reviewed your this draft, I have a few questions for mesh 
protection 
 1 in section 3, In my mind, there is a sentence : In both cases, 1:1 or 
1+1 protection may be used. 
   if there use 1+1 protection for each working path. it is no necessary 
to apply mesh protection.
   beacause the bandwidth resource of protection is equal to the sum of 
bandwidth resource of all 
   protected path. so I think 1+1 protection should not be used in the 
mesh protection.
   do you think so?

 2 about the Shared node SEN will send the protection locking message 
requesting 
      LoP to the end node of protected LSP. IMO, as SEN node is MIP of the 
protected 
      LSP , it can't generate unsolicit OAM packet to send other node. so 
how to generate
    the protection locking message requesting LOP in the SEN node ?

  Maybe i miss something important?
  thank you

  best regards
  liu

 
    





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