Re: [802.3_DMLT] [IEEE 802.3br IET] Agenda and presentations for San Diego
What we need to cover in management:
How to deal with having two MACs - this was discussed during the meeting with 802.1 TSN. For compatibility, to allow management to look at the MAC parameters and treat them the same as for other ports, there should be one set of combined MAC parameters (i.e. any counters report the sum of events for the two MACs). Also MAC Control.
For separate objects for the two MACs, may be okay to just count frames sent and received by each MAC, rather than duplicating all the objects such as error counters. In that case, perhaps these counters could be in MAC Merge rather than in the MAC.
Also need for MAC Merge, objects for:
Preemption supported,
Preemption enabled,
Preemption active,
Received frames with reassembly errors
Perhaps also
Counter for MM_CTL.request(HOLD) was received (see what was done for PAUSE or PFC)
Counter for number of times that preemption of a frame occurred (or number of continuation mFrames sent because that is the same thing)
Same for continuation mFrames received
That's all I can think of at the moment.
Regards,
Pat
-----Original Message-----
From: Marek Hajduczenia [mailto:marek.hajduczenia@xxxxxxxxx]
Sent: Thursday, July 17, 2014 10:40 AM
To: 'Peter Jones (petejone)'
Cc: Pat Thaler; STDS-802-3-DMLT@xxxxxxxxxxxxxxxxx
Subject: RE: [IEEE 802.3br IET] Agenda and presentations for San Diego
Hi Peter,
I "kind of" volunteered for that, given that I was working with Howard on
802.3.1 on similar topics already. Once Pat sends me the list of parameters
that we need to cover, I will start working on Clause 30 objects, and then
translate that into 802.3.1 SNMP parameters - potentially, with your help if
you are willing to put some time into that. I am sure we can get at least
the initial version worked out between the two of us and then post for a
broader review in the next version of the draft
Regards
Marek
-----Original Message-----
From: Peter Jones (petejone) [mailto:petejone@xxxxxxxxx]
Sent: July 17, 2014 1:31 PM
To: Marek Hajduczenia
Cc: Pat Thaler; STDS-802-3-DMLT@xxxxxxxxxxxxxxxxx
Subject: RE: [IEEE 802.3br IET] Agenda and presentations for San Diego
Marek,
Did you volunteer (or get volunteered) to work on the "Managed objects"
item?
I'm interested in helping with this, but as part of full disclosure, I'm not
very familiar with how 802.3 does the "Clause 30" management dance (but I
have lots of SNMP experience).
Cheers
Peter
_______________________________________________
Peter Jones Cisco Systems
Principal Engineer 3600 Cisco Way
ENG Switching Software San Jose, CA, 95134 USA
Tel: +1 408 525 6952 Fax: +1 408 527 4698
Email: petejone at cisco.com
Twitter: @petergjones
_______________________________________________
-----Original Message-----
From: Pat Thaler [mailto:pthaler@xxxxxxxxxxxx]
Sent: Monday, July 07, 2014 2:27 PM
To: STDS-802-3-DMLT@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_DMLT] [IEEE 802.3br IET] Agenda and presentations for
San Diego
Dear colleagues,
As editor, I'd like to mention the remaining areas where additional
technical input would help with completing the draft:
- Managed objects - while the SNMP object definitions will be done
when 802.3.1 is revised, we still need to add an object class and objects to
Clause 30 for the new capability/sublayer and to 79.4 for the TLV.
- Preemption verification - How to verify that preemption isn't
disrupted by a silent device on the link (e.g. media converter, non-802.1Q
compliant switch) that replaces the SMD with an SFD still needs some
fleshing out (99.4.2).
- Delay constraints - I've put a first cut at delay constraints in the
draft (99.4.8). Feedback on whether those are reasonable for implementations
to meet is needed. (I also noticed a cut and paste typo on that subclause -
the 4th paragraph (not counting Editor's notes) "is held" should be "is not
held" (page 30 line 5).
Regards,
Pat Thaler
-----Original Message-----
From: Winkel, Ludwig [mailto:ludwig.winkel@xxxxxxxxxxx]
Sent: Monday, July 07, 2014 12:32 PM
To: STDS-802-3-DMLT@xxxxxxxxxxxxxxxxx
Subject: [802.3_DMLT] [IEEE 802.3br IET] Agenda and presentations for San
Diego
Dear colleagues,
Please go to the 802.3br web site to see the Agenda and presentations for
San Diego meeting.
Besides the intended work on the draft, there is also a task on a liaison
letter to ITU.
Both documents are in the private area (protected).
Mit freundlichen Gruessen / With best regards, Ludwig Winkel
Chair of the IEEE P802.3br Task Force
Siemens AG , I IA SC FC
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Tel.: +49 721 595-6098
Mobile: +49 172 6132658
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