Time & Location:

Date

20 Jan 2021

Attendees

• John Keeney
• Martin Skorupski
• Alex Stancu
• Swaminathan Seetharaman
• Amit Srivastava
• Andy Mayer
• emmanuel sarris
• Fernando (Fred) Oliveira
• James
• Kamel Idir
• Konrad Bańka
• Krystian Kedron
• Lasse Kaihlavirta
• Lathishbabu Ganesan
• Marcin Krasowski
• Scott Blandford
• Pawel Slowikowski
• Praveen Kumar
• Sven van der Meer (VMWare)
• Timo Perala
• Zu Qiang (Ericsson)
• Some others may have joined later ... please add yourself

See also / co-located (ONAP/O-RAN-SC/SMO - Meeting)

• Co-located with ONAP 2021-01-20 Meeting notes (ONAP/O-RAN-SC/SMO - Meeting)

Contents:

Recording

• Recording 1/2 (MP4)
• Recording 2/2 (MP4)

Notes:

• Next meeting: 27 January 2021

• Apologies - Zoom call was lost after 40 minutes & some of the participants were unable to rejoin.
• It is likely we will use a different bridge/link from next week. Please watch for changes on these pages and int he calendars.

OSC Project roundup

NONRTRIC (John Keeney)

• Maintenance release: (OSC)
  • Still assembling the update
  • Updating the version of A1-Policy functions pulled from ONAP (close to Mater (22-Jan))
  • Documentation refresh needed
• Providing update to O-RAN Alliance WG2 tomorrow (Thursday 21 Jan)
  • ( Links added after the meeting: WG 2 Meeting notes, Slides: OSC-2021.01.21-WG2-I-OSC-NONRTRIC-ShortStatus-JohnKeeney-v01.pdf)
• Still working through the OSC O-RU usecase ... see below.

SMO (Mahesh Jethanandani )

• No update - need to confirm with Mahesh Jethanandani if this time is suitable.

SIM (Alex Stancu)

• Defining new epics for Dawn - mainly keeping up to date with new spec versions
• Hoping to add a new use case simulator - from Facebook - more details to follow at f2f (from TIP project?)
• Still onboarding Viaivi simulator - ongoing

OAM (Martin Skorupski)

• Working on Epics for Dawn
• Still working through the OSC O-RU usecase ... see below.

ONAP - OSC

OSC Proposed e2e integration use case: O-RU FH connection recovery

• REF/Background:
  • (OAM) Closed loop use case
  • (RSAC) Meeting 14 Jan:
    • Slides: https://wiki.o-ran-sc.org/download/attachments/1179971/RU_failure_recovery_use_case.pptx?version=1&modificationDate=1610637325824&api=v2
    • Recording: https://zoom.us/rec/share/mKYOGkB3mgpvIo2Hx1eY5Oifyw9qV9NQd7NiEj-FxQKP0kUpWOc7yvMO_LLPhA_M.lmx2LCh7-QwDHAFi
• Martin Skorupski provided intro
  • Alarm when fronthaul connection dies (O-DU - O-RU) (VES to SMO)
• John Keeney If there is a failure both O-DU & O-RU will try reconnect anyway - without this loop? Martin Skorupski Yes.
• @? How does SMO connect to O-RU?
  • Martin Skorupski This is a mix of different deployment options (hierarchical vs hybrid, O1 vs M-Plane). Main issue is agreeing models & terminology.
• John Keeney Seems this use case is not real-world useful, especially since recovery will happen automatically anyway, & mix of standards ...
• Martin Skorupski John Keeney Using this use case as longer term motivator for SMO/NONRTRIC/rApp development - independent of usecase
• Topology ??:
  • May need a topology service for this use case - John Keeney Will use a simple file/hardcoded for initial versions of this use case.
  • Pawel Slowikowski Andy Mayer Topology in A&AI, CPS ? John Keeney No - not initially. Plan to  keep it simple for this release.

<bridge dropped recording stopped at this point. Most participants reconnected once bridge started again>

• Topology ??: (contd)
  • John Keeney Lots of options for how this should be done properly in ONAP.
  • Swaminathan Seetharaman ONAP usecases already have some plans for this e.g. slicing, oof,  etc
  • Andy Mayer A model should be agreed in ONAP. Lots of previous discussions in ONAP - e.g. what goes in A&AI and CPS ... but that was a while ago.
  • Martin Skorupski SDNR has some topology model too - not standards based.
  • @Sven John Keeney Martin Skorupski Lots of issues with different topology models ... and most existing hierarchical models break down in a 5G/CloudRan environment
  • Lots of work ... Andy Mayer Martin Skorupski Can create a JIRA in ONAP MODCOM ...
  • ... but will keep it simple here for this use case.
• @? Will other O1 usecases be effected? Martin Skorupski No. O1 functions continue as before.
• Martin Skorupski Please add feedback if any

Other

From last week

• Lasse Kaihlavirta O-Cloud. 
  • Martin Skorupski has sent an email to INF PTL, invited to join, but its VERY late for them for this timeslot.

Other

• Pawel Slowikowski Should we have a slack channel for this?
  • Difficult in some IT environments ...
  • RocketChat - No its shutting down.
  • Martin Skorupski Pawel Slowikowski check with participants here & create a slack channel

• John Keeney Swaminathan SeetharamanThere will be a session about this work in LFN DDF next week
  
  • https://wiki.lfnetworking.org/display/LN/2021+February+Developer+Topic+Proposals#id-2021FebruaryDeveloperTopicProposals-ONAP/O-RAN/OSCAlignment-UpdatesandRoadmap

• John Keeney O-RAN vF2f Note there. Note there will be session on OSC SMO - Join if you can. Mahesh Jethanandani

Apologies again for the bridge exiting mid-meeting.