Hi, Ramon, Cyril & all,

I second this solution.

Defining new C-type can also keep the current protocol and implementation 
untouched. But we need to loose the restriction of bandwidth object in 
RFC5440 first.

Besides, IMHO, the solution allowing TLVs can better help the path 
computation process. There is no need to retrieve homogenous parameters 
from two different objects for PCE when computing the path.

Just my view too.

Thanks
Qilei Wang





Ramon Casellas <[email protected]> 
发件人:  [email protected]
2013-07-31 03:37

收件人
"Margaria, Cyril (Coriant - DE/Munich)" <[email protected]>, 
抄送
"[email protected]" <[email protected]>
主题
Re: [Pce] 答复:  Comments on draft-ietf-pce-gmpls-pcep-extensions-08






El 30/07/2013 18:33, Margaria, Cyril (Coriant - DE/Munich) escribió:
Hi PCE WG, 
  
3)      Treat this as an errata to RFC5440 ““The BANDWIDTH of OT 1 and 
OT 2  object body have a fixed length of 4 bytes.”, and define new OT for 
GMPLS
 
PCErs, all

Rather than "Errata" :) consider it a liberal interpretation, but I guess 
this approach is a nice trade-off. 
Maybe a solution could be to define Ctypes 3 and 4 which are like 1 and 2 
but allowing TLVs (generically), then define a TLV to encode GMPLS traffic 
parameters. The BW objects can have a 32 bit IEEE floating point encoding 
of the nominal rate. Current implementations support 1 and 2 with fixed 
size. New Ctypes can be addressed with "unknown object ctype", hopefully 
without strictly checking the object length. 

Just my view, of course
R.
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