Hi Camilo, We have looked into the question of groupings when preparing version -07, which tries to address other last call reviews (see https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-yang-tcp-07 or https://www.ietf.org/rfcdiff?url2=draft-ietf-tcpm-yang-tcp-07). Yet, we decided not to introduce groupings in -07.
We would like to first better understand the actual use case in your model. Why would the BMP yang model indeed use exactly the same definitions of “common”, and “statistics” sections of ietf-tcpm? The counters in statistics typically apply the whole TCP stack, not to an application. Why would your model not use application-specific events instead? Also, the exact status of a TCP connection as seen by the TCP stack will typically not matter to the application. Note that this part of the model also has changed in -07 because of other review comments. Would your model indeed want to include e.g. the internal state of a TCP connection? Note that it is possible that a follow-up version -08 will be required due to other reviews, i.e., we could look at this question in a version -08 again. Thanks Michael From: Camilo Cardona <[email protected]> Sent: Tuesday, May 3, 2022 5:40 PM To: [email protected]; [email protected] Cc: [email protected]; [email protected] Subject: How to reuse the tcp model in the BMP model - asking for suggestions Hello draft-ietf-tcpm-yang-tcp authors, We are analysing how to leverage the tcpm model for managing tcp connectivity in the BMP yang model (draft-cptb-grow-bmp-yang-02). In general, how do you suggest other models reuse ietf-tcpm? Most of tcpm model is defined directly in containers, not as groups, and we are finding hard to take the pieces that we need. Let us shortly gointo details. Regarding the 4-tuple connection, in BMP, we would like to have a “default” case in which the configured device connects to another using ip/port (i.e. active case), but also to provide the option of expecting the tcp connection over a local ip/port (i.e. passive case). We might need our own container for this. However, we would like to integrate the “common”, and “statistics” sections of ietf-tcpm, but, they are containers, so we really do not know what to do besides recreating it. Do you have any suggestions? Thanks, draft-cptb-grow-bmp-yang authors
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