Hi Balazs, thank you for your suggestion! Brief responses inline.
--- Alex From: Balazs Lengyel [mailto:[email protected]] Sent: Tuesday, July 03, 2018 8:54 AM To: Alexander Clemm <[email protected]>; [email protected] Cc: [email protected] Subject: Re: [netmod] Smart filters for YANG-Push Hello, You should make the new filter types separate chapters, to make them more visible. threshold crossing alert: * I would rather say you have a single filter with a raise and clear condition. You never really want a threshold filter without a paired clear filter <ALEX> Agree on TCA needing to have both threshold and hysteresis threshold.. </ALEX> * this should be connected to an alarm based on draft-ietf-ccamp-alarm-module. You should have the possibility of raising an alarm when the threshold is passed. <ALEX> Need to check it out </ALEX> * the term counter filter is confusing as it invokes the idea of a gauge (a filter based on counting something) instead of a reverse filter <ALEX> Actually, this is a miswording. What was meant is not a filter on counters, but a second filter to alternate with the first, analogous to threshold crossing alerts (with hysteresis, or "counter" threshold). Will need to rephrase this to clarify. <ALEX> * mention that smart filters will obviously place a load on the server. Can they be rejected/suspended/resumed like a subscription. <ALEX> Yes, load is a valid concern, this is also mentioned in the security concerns. Haven't thought about whether suspend/resume makes sense; the ability to reject, yes certainly, and should be mentioned. Thanks! </ALEX> regards Balazs On 7/3/2018 1:37 AM, Alexander Clemm wrote: Hello Netmod Working Group, we have just submitted a new draft on Smart Filters for Push Updates: https://tools.ietf.org/html/draft-clemm-netmod-push-smart-filters-00 This draft supersedes draft-clemm-netconf-push-smart-filters-ps that recently expired. The draft involves the definition of a YANG data model that allows to define more advanced filters than the ones defined with YANG-Push, specifically filters that can take into account values of data nodes as well as state. This allows to define filters for thresholds, recent high-water marks, and more. It is also a building block for network automation, providing the event portion for many types of Event-Condition-Action-based control loops. The draft at this point contains little more than the motivation and problem statement; the actual YANG data model is still to be defined; however, we felt it would be good to have a placeholder posted so we can have discussions in Montreal. --- Alex (on behalf of coauthors: Eric, Xiufeng, Igor, Tianran, Walker, Henk) _______________________________________________ netmod mailing list [email protected]<mailto:[email protected]> https://www.ietf.org/mailman/listinfo/netmod -- Balazs Lengyel Ericsson Hungary Ltd. Senior Specialist Mobile: +36-70-330-7909 email: [email protected]<mailto:[email protected]>
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