Re: [OPSAWG] Thoughts on draft-song-opsawg-ntf

2018-10-17 Thread Haoyu song
Hi Uri, Thanks for the comments. I'd like to clarify there's no black and white separation between conventional OAM and telemetry. Conventional OAM is also indispensable in many cases and some tools is also evolving to bear more characteristics of a typical telemetry system. I'll make the

Re: [OPSAWG] Thoughts on draft-song-opsawg-ntf

2018-10-17 Thread Randy Presuhn
Hi - On 10/17/2018 6:37 PM, Tianran Zhou wrote: I do not mean to say the SNMP design is problematic. But I think it's not designed for periodically getting operational data, which is one important case for streaming telemetry. That's one of the possible use cases for RFC 2981 or RFC 3877, and

Re: [OPSAWG] Thoughts on draft-song-opsawg-ntf

2018-10-17 Thread Haoyu song
Hi Adrian, Thank you very much for the comments. I'll try to address all your comments in the new revisions. Given the time and bandwidth, I may leave some parts (e.g., security concern) to future revisions. Yes, gRPC is a recursive acronym and "g" doesn't mean google although we all know

Re: [OPSAWG] EARLY CALL: Agenda topics for IETF 103

2018-10-17 Thread Haoyu song
Hi Joe, I'd like to apply a presentation slot for the draft song-opsawg-ntf-01. In the talk, I'll presents the updates of the draft and address the issues raised during the email discussion. Thanks! Best, Haoyu -Original Message- From: OPSAWG [mailto:opsawg-boun...@ietf.org] On Behalf

Re: [OPSAWG] Thoughts on draft-song-opsawg-ntf

2018-10-17 Thread Tianran Zhou
Hi Randy, Thank you for your pointer. I do not mean to say the SNMP design is problematic. But I think it's not designed for periodically getting operational data, which is one important case for streaming telemetry. Compared with current YANG-Push

Re: [OPSAWG] Thoughts on draft-song-opsawg-ntf

2018-10-17 Thread Adrian Farrel
Hi Tianran, Yes, I mean the "Trap" which is now called "Notification." You're right in your assessment of the drawbacks, and you should add to that list the drawback of the low data rat and high overhead that come with the protocol. I didn't mention the Notification to propose it as a mechanism

Re: [OPSAWG] Thoughts on draft-song-opsawg-ntf

2018-10-17 Thread Tianran Zhou
Hi Adrian, I see. Thank you very much for your suggestions. We will update the document to clarify this. Thanks, Tianran > -Original Message- > From: Adrian Farrel [mailto:adr...@olddog.co.uk] > Sent: Wednesday, October 17, 2018 5:27 PM > To: Tianran Zhou ; opsawg@ietf.org > Cc:

Re: [OPSAWG] Thoughts on draft-song-opsawg-ntf

2018-10-17 Thread Blumenthal, Uri - 0553 - MITLL
SNMP is a management protocol, not a data transfer one. SNMP Trap is like a UDP message - send and forget. SNMP Notify can require confirmation, so you can make sure it reaches it's destination (or know that it could not). I rather disagree with the characterization "low data rate and high