RE: Advice Requetss -for I2RS Rib YANG model

Jeff:

Thanks for the reference.  That answers the question. 

Sue Hares 

From: Jeff Tantsura [mailto:jefftant.ietf@gmail.com] 
Sent: Wednesday, April 18, 2018 1:03 PM
To: Susan Hares; rtgwg@ietf.org; i2rs
Cc: russ@riw.us; 'Amit Dass'
Subject: Re: Advice Requetss -for I2RS Rib YANG model

Hi Sue,

Please use RFC3443 as the normative for TTL behavior. 

Cheers,

Jeff

From: rtgwg <rtgwg-bounces@ietf.org> on behalf of Susan Hares <shares@ndzh.com>
Date: Wednesday, April 18, 2018 at 09:19
To: RTGWG <rtgwg@ietf.org>
Cc: <russ@riw.us>, 'Amit Dass' <dass.amit@gmail.com>
Subject: Advice Requetss -for I2RS Rib YANG model

Greetings: 

The I2RS WG would like some advice. 

Is there ever a case when doing label swap you would ever want to decrease the TTL at the same time?  Our initial I2RS RIB (draft-ietf-i2rs-rib-data-model-10) had added this 3 years ago due to comments.  However, we are question now whether this is valid. 

We have asked the mpls wg, i2rs wg, and rtgwg wg – to see if anyone knows if this is a useful feature. 

Thank you, Susan Hares 

Co-chair I2RS WG

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