Re: [Rtg-ooam-dt] Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols
"Srihari Raghavan (srihari)" <srihari@cisco.com> Tue, 07 June 2016 12:06 UTC
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From: "Srihari Raghavan (srihari)" <srihari@cisco.com>
To: "Deepak Kumar (dekumar)" <dekumar@cisco.com>, David Mozes <davidm@mellanox.com>
Thread-Topic: Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols
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Date: Tue, 07 Jun 2016 12:06:38 +0000
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Subject: Re: [Rtg-ooam-dt] Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols
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Hi all Please take a look at https://github.com/ciscodevnet/ioam for some of the details about the in-band OAM active and ongoing research project being done currently, based on which the passive-oam aspects are being proposed. Thanks Srihari From: "Deepak Kumar (dekumar)" <dekumar@cisco.com<mailto:dekumar@cisco.com>> Date: Tuesday, 7 June 2016 at 12:56 AM To: David Mozes <davidm@mellanox.com<mailto:davidm@mellanox.com>>, Cisco Employee <srihari@cisco.com<mailto:srihari@cisco.com>> Cc: "rtg-ooam-dt@ietf.org<mailto:rtg-ooam-dt@ietf.org>" <rtg-ooam-dt@ietf.org<mailto:rtg-ooam-dt@ietf.org>> Subject: Re: Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols +Srihari to share link. Thanks Deepak On Jun 6, 2016, at 12:18 PM, David Mozes <davidm@mellanox.com<mailto:davidm@mellanox.com>> wrote: Hi Deepak Understood , for the trace there is meta data protocol definition ? Is it based on INT ? Thx David From: Deepak Kumar (dekumar) [mailto:dekumar@cisco.com] Sent: Monday, June 06, 2016 9:21 PM To: David Mozes <davidm@mellanox.com<mailto:davidm@mellanox.com>> Cc: rtg-ooam-dt@ietf.org<mailto:rtg-ooam-dt@ietf.org> Subject: Re: Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols Hi David, For counting for real data packet it has to be done in data path (similar to acl/Qos counters) but if packet generation is slower then it can be done in software, This is protocol and how flexible is matching criterion. Only tracing require adding meta data to packet and that's also protocol specific. Thanks Deepak On Jun 5, 2016, at 8:34 AM, David Mozes <davidm@mellanox.com<mailto:davidm@mellanox.com>> wrote: Hi , Thx Deepak , There are as ecial TLV defined ? Is it should be done in the data path ? Thx David From: Deepak Kumar (dekumar) [mailto:dekumar@cisco.com] Sent: Sunday, June 05, 2016 6:18 PM To: David Mozes <davidm@mellanox.com<mailto:davidm@mellanox.com>> Cc: rtg-ooam-dt@ietf.org<mailto:rtg-ooam-dt@ietf.org> Subject: Re: Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols Hi, Inline +++DK: Sent from my iPhone On Jun 5, 2016, at 7:51 AM, David Mozes <davidm@mellanox.com<mailto:davidm@mellanox.com>> wrote: Hi Deepak , I saw you are the main contributor on thus draft . Can you share more details ? See my q below Thx David From: Rtg-ooam-dt [mailto:rtg-ooam-dt-bounces@ietf.org] On Behalf Of David Mozes Sent: Wednesday, June 01, 2016 11:42 AM To: Gregory Mirsky <gregory.mirsky@ericsson.com<mailto:gregory.mirsky@ericsson.com>>; rtg-ooam-dt@ietf.org<mailto:rtg-ooam-dt@ietf.org> Subject: Re: [Rtg-ooam-dt] Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols Hi * , Look into it have some beginning quotations for start discussions 3.3.2. Path Packet Counters Path-packet-counters feature is part of the passive OAM feature set, where the meta-data carried is to be interpreted by the passive OAM domain's encapsulating and decapsulating nodes. Sequence numbers are the main meta-data added and can be used to detect packet loss, packet reordering or packet duplication. David> Can we have more details on that : - What is the mechanism ? - what is the packet format ? +++DK: It's real data traffic determined by configured policy matching traffic. 3.3.3 Proof of Transit Proof of transit feature is part of the passive OAM feature set, where the path or the service chain is verified. Service or path verification uses methods like nested hashing or nested encryption of the meta-data. By definition of a service chain or a path, some of the nodes in the domain participate and some do not. David> the same ? +++DK: It's real data traffic determined by policy matching the traffic. Thanks Deepak Thx David From: Rtg-ooam-dt [mailto:rtg-ooam-dt-bounces@ietf.org] On Behalf Of Gregory Mirsky Sent: Tuesday, May 31, 2016 5:45 PM To: rtg-ooam-dt@ietf.org<mailto:rtg-ooam-dt@ietf.org> Subject: [Rtg-ooam-dt] Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols Dear All, I found that part on "passive OAM" in the latest version of the draft Generic YANG Data Model for Connection Less Operations, Administration, and Maintenance(OAM) protocols<https://datatracker.ietf.org/doc/draft-kumar-lime-yang-connectionless-oam/?include_text=1> is, in my opinion, about the telemetry collection. Would appreciate your reviews, comments. Feel free to share on LIME WG list as well. Regards, Greg _______________________________________________ Rtg-ooam-dt mailing list Rtg-ooam-dt@ietf.org<mailto:Rtg-ooam-dt@ietf.org> https://www.ietf.org/mailman/listinfo/rtg-ooam-dt
- [Rtg-ooam-dt] Generic YANG Data Model for Connect… Gregory Mirsky
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… David Mozes
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… Deepak Kumar (dekumar)
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… David Mozes
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… Deepak Kumar (dekumar)
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… David Mozes
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… Deepak Kumar (dekumar)
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… Srihari Raghavan (srihari)
- Re: [Rtg-ooam-dt] Generic YANG Data Model for Con… David Mozes