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==Welcome==
==Welcome==
Welcome to the OCP Mezzanine NIC subgroup under OCP Server Work Group. The goal of this subgroup is to form a healthy ecosystem in Mezzanine NIC space, under OCP framework.
===Guideline===
We are here to build a supportive, informative and inclusive community:
'''Supportive'''
- Support implementation questions
- Evaluate new use cases
'''Informative'''
- Share the latest topics and trends related to OCP Mezz NIC spec
- Share both challenges and opportunities
'''Inclusive'''
- Take community feedback and make iterations to proposal before submitting major revision to work group and IC
- Open to both adopters, and observers


==Get Involved==
==Get Involved==


===Events===


More information about OCP events can be found at: http://www.opencompute.org/community/events/ocp-events-calendar
===Updated doc===
 
{| class="wikitable"
|-
! Doc
! Version
! Date
! Contributor
! Notes
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=663f885d9dbbf9bcee8bab0e6adbe77f OCP_NIC_3.0_draft_0v63_20180119e_TN]
| 0v63
| 1/19/2018
| OCP NIC subgroup
| Draft - public review and feedback is welcome - Vote on 1/24 Server Workgroup call
Send feedback=> [mailto:opencompute-mezz-card@lists.opencompute.org opencompute-mezz-card@lists.opencompute.org]
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=8e5edde8eb3f4641d6bd69d2b433d4cc OCP 3.0 OCP 3.0 Pinout Proposal 20171205a_TN]
| 20171205a_TN
| 12/05/2017
| Intel
| Pinout Proposal
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=fb3986ee5b9dcd5435acf0de7663ff4a OCP_NIC_3.0_discussion_r11_20171219]
| v11
| 12/19/2017
| OCP NIC Subgroup
| General deck;updated before 12/20 call
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=616397237e7147b401684e0de8b44bf2 Mezz3.0 schedule v6_20171219]
| v6
| 12/19/2017
| Facebook
| OCP NIC 3.0 spec project schedule
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=e4c9401b56215bd33ea4f37336710c48 OCP NIC 3.0_Mechanical Discussion_v5_20171201_d]
| v5
| 12/01/2017
| Facebook
| Mechanical Deck
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=ebd99e48282324f42e945fe1171e3c50 OCP_NIC_3_3D_CAD_r2_20170920]
| v2
| 9/20/2017
| Facebook
| Mechanical 3D package
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=420aabdf9be26d4d3c90cb199a4cd369 Thermal Deck_v7_20171115]
| v7
| 11/15/2017
| Facebook
| Thermal deck
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=6e30e729b094d6c5f3a2eb49c7611901 Updated thermal Simulation Results_v7_20171103]
| v7
| 11/3/2017
| Facebook
| Thermal simulation result update
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=260bfb5257a2466f6bd4490ff31f3358 OCP_Mezz_thermal_model_v3_20171103]
| v3
| 11/3/2017
| Facebook
| Thermal simulation model package
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=bf394a4b8394ece800712a690a06bf57 HPE_Comments_on_OCP_Mezz_v3_20170816]
| N/A
| 8/16/2017
| HPE
| Presentation from HPE on 8/16/2017 call
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=7d48739a75eb23c5ad5805f5451233df Dell EMC - OCP NIC Presntation v1_20170906]
| v1
| 9/6/2017
| Dell-EMC
| Presentation from Dell-EMC on 9/6/2017 call
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=ad9c60f6e25a5d2eaa38cc72f8b22069 Lenovo OCP Mezz3.0 Recommendations - 20170901]
| N/A
| 9/1/2017
| Lenovo
| A mechanical focused presentation from Lenovo on 9/6/2017 call
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=a4f6fee57057e7e888f0f39b5661c8cf 9/25/2017 Workshop decks]
| N/A
| 9/25/2017
| Microsoft / TE / Amphenol / Broadcom / Intel / Facebook
| 9/25/2017 workshop slides from multiple contributors  
 
|-
| [http://files.opencompute.org/oc/public.php?service=files&t=79d8d76c1942bc15d65776392c5fd411 9/25/2017 Workshop recording (large file 908MB)]
| N/A
| 9/25/2017
| Microsoft / TE / Amphenol / Broadcom / Intel / Facebook
| 9/25/2017 workshop recording from multiple contributors 
 
|}
 
===Updates===
 
 
'''1/19/2018 update'''
 
1. Update spec draft to [http://files.opencompute.org/oc/public.php?service=files&t=663f885d9dbbf9bcee8bab0e6adbe77f OCP_NIC_3.0_draft_0v63_20180119e_TN]
 
 
 
'''1/18/2018 update'''
 
1. Update spec draft to [http://files.opencompute.org/oc/public.php?service=files&t=7cd6c3ed5710b9c36e77eb164fe44718 OCP_NIC_3.0_draft_0v62_20180118f_TN]
 
 
 
'''1/16/2018 update'''
 
1. Update spec draft to [http://files.opencompute.org/oc/public.php?service=files&t=2ab0d4e234abf29f37e6298c72d1c236 OCP_NIC_3.0_draft_0v60_20180116e_TN]
 
 
 
'''1/15/2018 update'''
 
1. Update spec draft to [http://files.opencompute.org/oc/public.php?service=files&t=f1a9f7e9027c24418f0d10a830e882ae OCP_NIC_3.0_draft_0v57_20180109c_TN]
 
 
'''1/2/2018 update'''
 
1. Update spec draft to [http://files.opencompute.org/oc/public.php?service=files&t=fad43541dfd5abb8265663ec93164e99 OCP_NIC_3.0_draft_0v50_20171222i_TN]
 
2. Move updates before 12/1/2017 to [http://www.opencompute.org/wiki/Server/Mezz/Update_Archive archive]
 
 
'''12/20/2017 update'''
 
1. Updated spec draft, overview deck, and mechanical deck
 
 
'''12/5/2017 update'''
 
1. Update spec draft to OCP_NIC_3.0_draft_0v01_20171205c_TN
 
2. Update pin out to OCP 3.0 Pinout Proposal 20171205a_TN
 
3. Specification draft complete rate (Estimation)
 
{| class="wikitable"
|-
! Chapter
! Draft complete rate
! Status
 
|-
|1. Overview
| 70% drafted
| finishing up / under review
 
|-
|2. Card form factor
| 60+% drafted
| finishing up / under review
 
|-
|3. Card Edge and baseboard interface
| 80+ % drafted
| Under review
 
|-
|4. Management
|0% drafted
|Need to work on
 
|-
|5. Data Network requirement
|TBD
|Same content as Mezz 2.0; check for need to keep this chapter
 
|-
|6. Card routing guideline and SI consideration
|TBD
|NC-SI specified on card; PCIe TBD
 
|-
|7. Thermal and Environmental
|TBD
|Need edit based on Mezz 2.0
 
|}
 
4. Key mechanical updates:
 
- Agreed on guiding feature and card sizes
 
- Reduce to 2x sizes (Small and Large form factors; detail see latest spec draft)
 
To be closed:
 
- Front bracket / latching mechanism design for small and large form factors
 
- Right Angle connector vertical offset(3.05mm vs. 3.50mm); Need to decide and close based on Tolerance analysis
 
- Straddle Mount connector offset and PCB footprint; Need to decide and close based on 1U use case study
 
 
5. Coming working sessions and proposal of agenda:
 
-#7 12/6 : 2hr working session; ME and EE runs in parallel; close on ME opens and clarify the rest of draft work
 
-#8 12/13: 3-4hr: All draft work due for 1st pass of edit of all chapters. 1st cross review with changes suggested and agreed
 
-#9 12/20: 3-4hr: Review changes and post 1st draft
 
 
 
 
 
----
[http://www.opencompute.org/wiki/Server/Mezz/Update_Archive '''Find Archive of updates here''']


OCP Engineering Workshop Sessions  - TBD
[http://lists.opencompute.org/pipermail/opencompute-mezz-card/ '''Find archive of mailing-list here''']
----


===Meetings===
===Meetings===


This project meets - TBD
This project meets - 2 times a Month; Defaults to 1st and 3rd Wednesday of the Month.
 
Call-in info and source of truth @ http://opencompute.org/projects/projects-calendar/ (Time zone shown: Eastern Time)


This call is open to the public.
This call is open to the public.


The agenda as well as information on how to join the call can be found at:
If there is a cancellation, we will try our best to cancel >24hrs before the meeting by the calendars above.
TBD
 
Meeting minutes is sent out in mailing list and can be found at [http://lists.opencompute.org/pipermail/opencompute-mezz-card/ archive]
 
===Events===


Working documents are posted to the WIKI at:
'''2017/3/9'''
TBD
 
OCP Engineering Workshop Sessions https://ocpussummit2017.sched.com/event/9SAa/ocp-mezzanine-nic-20-and-beyond
 
More information about OCP events  can be found at: http://www.opencompute.org/community/events/ocp-events-calendar


Meeting minutes are available at:
TBD


===Communication===
===Communication===


Project communication is done through the opencompute-mezz-card mailing list.
- Project communication is done through the [http://lists.opencompute.org/mailman/listinfo/opencompute-mezz-card opencompute-mezz-card mailing list].
 
- Please make sure following the steps until you receive confirmation email and welcome email from Opencompute-mezz-card@lists.opencompute.org.
 
'''Please check your junk box and unblock Opencompute-mezz-card@lists.opencompute.org if you have trouble getting confirmation email. '''


To get on the mailing list or manage your subscription go to: http://lists.opencompute.org/mailman/listinfo/opencompute-mezz-card
- To access the mailing list archives go to: http://lists.opencompute.org/pipermail/opencompute-mezz-card/


To access the mailing list archives go to: http://lists.opencompute.org/pipermail/opencompute-mezz-card/
- For general discussion, please use mailing-list above by default; This is public domain and all discussion is archived
 
- Reach to [mailto:jia.ning@ocproject.net Jia Ning] if there is strong reason not to have public discussion


==Specifications and Designs==
==Specifications and Designs==
[[All these accepted by the IC]]
{| class="wikitable"
|-
! Specification
! Version
! Submit Date
! Contributor
! License
! Notes
|-
|-
|-
| OCP Mezzanine card v2.0
[http://files.opencompute.org/oc/public.php?service=files&t=1f5d9dc743117b237de3d431ded383e8 OCP_Mezz_2.0_rev1.00_20151215b_pub_release.pdf(2.2MB) ]
[http://files.opencompute.org/oc/public.php?service=files&t=36d4cd91fd8e7cdb10660b0da833fbd6 OCP_Mezz_2.0_rev1.00_20151215b_pub_release_3D_package.zip (88MB)]
[http://files.opencompute.org/oc/public.php?service=files&t=e58e1a0c3bccae3f691a559063a42ff6 Mechanical 20151023_P1-P9_K1-K5 zip file (57MB)]
| V2.0-1.0
| Dec 15, 2015
| Facebook
| OWFa 1.0
| Added support for x16 (quad x4), NCSI, dual QSFP+, & Quad SDP+ <br>
Accepted by OCP IC 2/24/2016
|-
| OCP Mezzanine card v0.5, original standard
[http://files.opencompute.org/oc/public.php?service=files&t=2047e49112f6109c0f7e595cc93af8ae Mezzanine Card (rev 0.5)]
| V0.5
| Oct 8, 2012
| Facebook
| OWFa 1.0
| Defacto standard for the original network mezzanine with a x8 PCIe Gen3 interface
|}

Revision as of 01:36, 20 January 2018

Welcome

Welcome to the OCP Mezzanine NIC subgroup under OCP Server Work Group. The goal of this subgroup is to form a healthy ecosystem in Mezzanine NIC space, under OCP framework.

Guideline

We are here to build a supportive, informative and inclusive community:


Supportive

- Support implementation questions

- Evaluate new use cases

Informative

- Share the latest topics and trends related to OCP Mezz NIC spec

- Share both challenges and opportunities

Inclusive

- Take community feedback and make iterations to proposal before submitting major revision to work group and IC

- Open to both adopters, and observers

Get Involved

Updated doc

Doc Version Date Contributor Notes
OCP_NIC_3.0_draft_0v63_20180119e_TN 0v63 1/19/2018 OCP NIC subgroup Draft - public review and feedback is welcome - Vote on 1/24 Server Workgroup call

Send feedback=> opencompute-mezz-card@lists.opencompute.org

OCP 3.0 OCP 3.0 Pinout Proposal 20171205a_TN 20171205a_TN 12/05/2017 Intel Pinout Proposal
OCP_NIC_3.0_discussion_r11_20171219 v11 12/19/2017 OCP NIC Subgroup General deck;updated before 12/20 call
Mezz3.0 schedule v6_20171219 v6 12/19/2017 Facebook OCP NIC 3.0 spec project schedule
OCP NIC 3.0_Mechanical Discussion_v5_20171201_d v5 12/01/2017 Facebook Mechanical Deck
OCP_NIC_3_3D_CAD_r2_20170920 v2 9/20/2017 Facebook Mechanical 3D package
Thermal Deck_v7_20171115 v7 11/15/2017 Facebook Thermal deck
Updated thermal Simulation Results_v7_20171103 v7 11/3/2017 Facebook Thermal simulation result update
OCP_Mezz_thermal_model_v3_20171103 v3 11/3/2017 Facebook Thermal simulation model package
HPE_Comments_on_OCP_Mezz_v3_20170816 N/A 8/16/2017 HPE Presentation from HPE on 8/16/2017 call
Dell EMC - OCP NIC Presntation v1_20170906 v1 9/6/2017 Dell-EMC Presentation from Dell-EMC on 9/6/2017 call
Lenovo OCP Mezz3.0 Recommendations - 20170901 N/A 9/1/2017 Lenovo A mechanical focused presentation from Lenovo on 9/6/2017 call
9/25/2017 Workshop decks N/A 9/25/2017 Microsoft / TE / Amphenol / Broadcom / Intel / Facebook 9/25/2017 workshop slides from multiple contributors
9/25/2017 Workshop recording (large file 908MB) N/A 9/25/2017 Microsoft / TE / Amphenol / Broadcom / Intel / Facebook 9/25/2017 workshop recording from multiple contributors

Updates

1/19/2018 update

1. Update spec draft to OCP_NIC_3.0_draft_0v63_20180119e_TN


1/18/2018 update

1. Update spec draft to OCP_NIC_3.0_draft_0v62_20180118f_TN


1/16/2018 update

1. Update spec draft to OCP_NIC_3.0_draft_0v60_20180116e_TN


1/15/2018 update

1. Update spec draft to OCP_NIC_3.0_draft_0v57_20180109c_TN


1/2/2018 update

1. Update spec draft to OCP_NIC_3.0_draft_0v50_20171222i_TN

2. Move updates before 12/1/2017 to archive


12/20/2017 update

1. Updated spec draft, overview deck, and mechanical deck


12/5/2017 update

1. Update spec draft to OCP_NIC_3.0_draft_0v01_20171205c_TN

2. Update pin out to OCP 3.0 Pinout Proposal 20171205a_TN

3. Specification draft complete rate (Estimation)

Chapter Draft complete rate Status
1. Overview 70% drafted finishing up / under review
2. Card form factor 60+% drafted finishing up / under review
3. Card Edge and baseboard interface 80+ % drafted Under review
4. Management 0% drafted Need to work on
5. Data Network requirement TBD Same content as Mezz 2.0; check for need to keep this chapter
6. Card routing guideline and SI consideration TBD NC-SI specified on card; PCIe TBD
7. Thermal and Environmental TBD Need edit based on Mezz 2.0

4. Key mechanical updates:

- Agreed on guiding feature and card sizes

- Reduce to 2x sizes (Small and Large form factors; detail see latest spec draft)

To be closed:

- Front bracket / latching mechanism design for small and large form factors

- Right Angle connector vertical offset(3.05mm vs. 3.50mm); Need to decide and close based on Tolerance analysis

- Straddle Mount connector offset and PCB footprint; Need to decide and close based on 1U use case study


5. Coming working sessions and proposal of agenda:

-#7 12/6 : 2hr working session; ME and EE runs in parallel; close on ME opens and clarify the rest of draft work

-#8 12/13: 3-4hr: All draft work due for 1st pass of edit of all chapters. 1st cross review with changes suggested and agreed

-#9 12/20: 3-4hr: Review changes and post 1st draft




Find Archive of updates here

Find archive of mailing-list here


Meetings

This project meets - 2 times a Month; Defaults to 1st and 3rd Wednesday of the Month.

Call-in info and source of truth @ http://opencompute.org/projects/projects-calendar/ (Time zone shown: Eastern Time)

This call is open to the public.

If there is a cancellation, we will try our best to cancel >24hrs before the meeting by the calendars above.

Meeting minutes is sent out in mailing list and can be found at archive

Events

2017/3/9

OCP Engineering Workshop Sessions https://ocpussummit2017.sched.com/event/9SAa/ocp-mezzanine-nic-20-and-beyond

More information about OCP events can be found at: http://www.opencompute.org/community/events/ocp-events-calendar


Communication

- Project communication is done through the opencompute-mezz-card mailing list.

- Please make sure following the steps until you receive confirmation email and welcome email from Opencompute-mezz-card@lists.opencompute.org.

Please check your junk box and unblock Opencompute-mezz-card@lists.opencompute.org if you have trouble getting confirmation email.

- To access the mailing list archives go to: http://lists.opencompute.org/pipermail/opencompute-mezz-card/

- For general discussion, please use mailing-list above by default; This is public domain and all discussion is archived

- Reach to Jia Ning if there is strong reason not to have public discussion

Specifications and Designs

All these accepted by the IC

Specification Version Submit Date Contributor License Notes
OCP Mezzanine card v2.0

OCP_Mezz_2.0_rev1.00_20151215b_pub_release.pdf(2.2MB)

OCP_Mezz_2.0_rev1.00_20151215b_pub_release_3D_package.zip (88MB)

Mechanical 20151023_P1-P9_K1-K5 zip file (57MB)

V2.0-1.0 Dec 15, 2015 Facebook OWFa 1.0 Added support for x16 (quad x4), NCSI, dual QSFP+, & Quad SDP+

Accepted by OCP IC 2/24/2016

OCP Mezzanine card v0.5, original standard

Mezzanine Card (rev 0.5)

V0.5 Oct 8, 2012 Facebook OWFa 1.0 Defacto standard for the original network mezzanine with a x8 PCIe Gen3 interface