Subject: [mpls] draft-vasseur-ccamp-te-router-info-00.txt clarification needed.

From: Dillikar Satyanarayana-G19471 <[email-masked]>
Date: Wed, 6 Oct 2004 15:31:48 +0530

Hi,
 We have some confusion in understanding the Data
Plane Capability Flags (B-bit & E-bit) from
draft-vasseur-ccamp-te-router-info-00.txt

(a) Does E-bit ON implies B-bit ON always ? (assuming
ON = set and OFF = unset).
(b) E-bit = ON & B-bit = OFF, is it a valid
combination.
(c) Please tell us the E-bit and B-bit status for a
node which is a destination node but does not have
branch capability.

We are also curious to know
(1)The idea behind combing two things (egress status &
transit status) in a single E-bit. rather than making
use of B-bit(branch) and having E-bit just for egress
status.
(2) Why the TE Node Capability Descriptor TLV should
have E-bit & how it should be used in CSPF path
computation.

Thanks
Satya 

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