The MPLS WG Archive

[Loa Andersson <loa@pi.se>]

Naiming,

after reading the draft-shen-mpls-ldp-nnhop-label-02.txt
I've a few hopefully smaller questions on the draft for
my own understanding

- if an upstream LSR sends a "next hop mapping request"
   to a downstream neighbor what will the effect be
   -- that the downstream neighbor sends all existing
      nnhop mappings back
      or
      that he downstream neighbor sends nnhop mapping s for
      all future label mappings

- is there a way to ask for a specific nnhop label mapping?

- since there might several mappings for labels between the
   downstream and the nnhop, how does the upstream pick the
   right one?

- the FRR tunnels in your picture does not seem to follow
   routing, how was it established?

/Loa

-- 
Loa Andersson

Principal Networking Architect
Acreo AB                           phone:  +46 8 632 77 14
Isafjordsgatan 22                  mobile: +46 739 81 21 64
Kista, Sweden                      email:  loa.andersson@acreo.se
                                            loa@pi.se

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