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2023-10-24

Recording: link to zoom recording

1. Every time: Check rule RC-4 (link) that all L or XL commits of the last two weeks have also new unit tests. This is our policy. link-to-reviews (gerrit filter instructions // gerrit t-shirt-sizing).

   1. Last checked on 2023-09-26

      1. https://gerrit.o-ran-sc.org/r/c/ric-plt/alarm-go/+/11149 OK, go version update only

      2. https://gerrit.o-ran-sc.org/r/c/ric-plt/lib/rmr/+/11234 OK, test case added for IPv6 tests

      3. https://gerrit.o-ran-sc.org/r/c/ric-plt/a1/+/11324 OK, test case updated

      4. https://gerrit.o-ran-sc.org/r/c/ric-plt/xapp-frame-rust/+/11733 OK, generated code from API

      5. https://gerrit.o-ran-sc.org/r/c/ric-plt/submgr/+/11681 ok, (not yet merged)

2. every second time: Review code coverage stats and blocker code smells

   1. We take a look at the two links in the beginning of this page: Code coverage reports..

   2. The list below is only working reports // Anybody volunteering to work with LF on making the code coverage CI to work again (there's still the old JVM version)

   3. Thoralf did this last on 2023-05-23:  we did not do this this time

3. Every time: Check if there are new bug reports in JIRA: link

   1. RIC-1019 xapp-frame - incorrect removal of transmitted rmr message in unsuccessful case (Juha) → DONE

   2. RIC-1017 xapp-frame -  xapp-frame may not be able to successfully subscribe to messages

   3. RIC-1016 e2t sctp_params structure may not be initialized properly

   4. RIC-1015 e2t too High default message size.

   5. RIC-1014 e2t potential race condition in the `listener` function due to multiple `listener` threads.

   6. RIC-1013 e2t e2term pod does not become ready. Possible stack/heap corruption 

   7. RIC-1012 RMR not working in A1 mediator → DONE (Thoralf also released fixed image in ric-dep recipe of h-release)

   8. RIC-1009 E2Mgr API can be improperly invoked → convert to bigger Epic?

   9. RIC-1002 (Nokia fixes) Abnormal signaling process cause E2Term crash (this could be a security issue)

   10. RIC-1001 RMR service should verify route tables - Alexandre will take a look

   11. RIC-991 RMR related (not a duplicate) - Alexandre will take a look

   12. RIC-989 RMR (minor) security issue - Alexandre will take a look

   13. RIC-972 (Naman) URL for A1 mediator to align with spec.

   14. RIC-965 RMR wormhole connections uses stale endpoints to make connections 

   15. RIC-921 fix UT test case in e2mgr to stub time (leftover from review https://gerrit.o-ran-sc.org/r/c/ric-plt/e2mgr/+/8493)

   16. RIC-915 dms_cli for installing xapp not working (raised by James)

   17. RIC-905 new (from PW) Issue in reporting the CLEAR ALARM as VES EVENT

   18. RIC-901 new (from PW) BUG FIX IN 'Get ALARM INFO’ NETCONF COMMAND

   19. RIC-896 xapps sending same msg type and sub id fails - details to be clarified

   20. RIC-894 long idle period (days) causes RMR connection breaks

   21. RIC-864 xapp-frame-cpp CI does not use Dockerfile and therefore uses Ubuntu18.04 (not 20.04) in build

   22. RIC-857 sporadically RMR takes multiple minutes before being "ready"

   23. RIC-852 Intermittent Issue with E2T: While setting up E2 setup request and response.

       1. 2021-12-21: Trying to get bandwidth for this during F release.

   24. RIC-837 RMR is not forwarding messages from E2T to E2M

   25. RIC-835 → 2021-12-07 no news from Viktor

   26. fixed: RIC-1019, RIC-1012

4. James: updates?

   1. 2023-09-12: requested from PTLs pair-wise testing. From Near-RT RIC point of view we hope for the non-RT RIC project to initiate testing with A1 mediator standalone version.

   2. 2023-09-26: This was presented in TOC (See link). Cases relevant for near-RT RIC:

      1. ODU-high and near-RT RIC (currently using stub).

      2. near-RT RIC and xApp (KPIMON/bouncer or maybe adding CCC xApp)

      3. near-RT RIC and non-RT RIC (A1) - next step on non-RT RIC side (A1 standalone mediator provided)

      4. James will check with Sunil on issues he has with the test cases

      5. ArgoCD used by Taiwan lab in some ONAP SMO  case and the engineers there where wondering if something similar could be done with OSC.

   3. 2023-10-24

      1. updates from O-RAN f-2-f:

         1. nephio and OAI discussion: Nephio team would like to add RAN components (OAI, OSC, and parts of the OSC SMO (via Seshu) into R2 (~Feb2024)

         2. OAI had three demos. One of them is about improving QoE with H release of near-RT RIC using some code copied from KPM and hello world xApps.

            1. see demo "oai-osc-ric-demo.mp4" in link and the demo session recording on the O-RAN web site (thoralf-todo)

            2. more discussion coming at the joint OSC/OAI workshop in Boston

         3. session on SCCL did make some progress in that WG10/WG6 understanding improved. Additional discussion scheduled under O-RAN umbrella for Oct-31.

      2. OSFG discussed on the super wireless footprint (matrial available at O-RAN OSFG)

5. Prashant's work in near-RT RIC(subteam-p)

   1. 2023-08-22, 2023-09-26 : could not participate

6. Sunil updates (subteam-h)?

   1. 2023-09-12: can give update next time. Maybe 2 or 3 items to work on.

7. Subhash/Naman updates (subteam-s) ?

   1. 2023-08-29: no news, other than Naman working on the operator implementation.

   2. 2023-09-12:

      1. We had a meeting with John and Denis on non-rt RIC compatibility. Agreed in fixes for URL and policystatusobject type from integer→string (as per standard) → Naman.

      2. Thoralf to figure out a way to start A1 mediator standalone for CI testing

         1. Thoralf sent instructions to John → DONE

      3. current implementation of /data-delivery URL in A1 - need to check if >1 consumer of EI data (sent by non-RT RIC) works on our side.

      4. Naman also works on the operator implementation

   3. 2023-09-26:

      1. kubernetes operator new repo needed or not?

         1. xapp deployment → appmgr or ricdms

         2. ric platform → ric-dep (still work in progress) - check if operator can use helm chart defined by Abhijit.

      2. What happened to kserve adapter? → Subhash can check.

8. Abhijit updates (subteam-ag) ?

   1. 2023-08-22: next release item discussed and RIC-979

   2. 2023-08-29:

      1. created RIC-1004 for release I item.

      2. still working on RIC minimal implementation (demo coming once ready, might take still weeks)

         1. once it's somewhat usable, pls. place into subdirectory under ric-plt/ric-dep

   3. 2023-09-12:

      1. changes related to registration API needed in xapp-frame (problem still to be thought of)

      2. something not working in github: IT-25974 - again related to github replication.

   4. 2023-09-26

      1. Abhijit presented his work on a single near RT RIC helm chart and bringing up the platform on minikube on Ubuntu 22.04. We decided to proceed with this.

      2. github action problem with master vs g release for replication → ticket → DONE

      3. Abhijit wanted to provide a video for new way of ric deployment (2023-10-24: did not find time to finally do this)

   5. 2023-10-24:

      1. Abhijit and James release new base image: docker pull nexus3.o-ran-sc.org:10002/o-ran-sc/bldr-ubuntu22-c-go:0.1.0 → still to be made 1.0.0

      2. no progress in review on the plain helm chart based deployment in https://gerrit.o-ran-sc.org/r/c/ric-plt/ric-dep/+/11743 

      3. Abhjit raise RIC-1013 ... RIC-1017 for issues he has discovered. Thoralf to find someone to work on it.

9. Cap Gemini updates (subteam-cg)? 

   1. Conflict detection and management. Presentation by Gunja on Sep-12

      1. Ashish S. (CapGemini) presented this.

      2. Thoralf will initiate a new repo for this: ric-plt/conflictmgr

         1. this might become an optional or mandatory (but default-disabled) component of thr near-rt ric platform.

         2. todo-cap-gemini: align usage of UE ID with wg3 discussion on this.

         3. additional latency comes only from guidance request

         4. xapp-framework could be extended to automatically do E2 guidance requests

   2. 2023-09-26:

      1. first step of new repo created, but still issues with initial files in repo. Thoralf raised request to LF: https://jira.linuxfoundation.org/plugins/servlet/desk/portal/2/IT-26015 

   3. 2023-10-10:

      1. conflictmgr repo is now ready for commits: https://gerrit.o-ran-sc.org/r/admin/repos/ric-plt/conflictmgr,general

10. Himanshu (subteam-gs) would like to work on RIC-963

    1. 2023-08-29: ready for merging once the CI problem (gofmt) is fixed. Can be merged together with a change in the helm chart (ric-dep). Default behavior is "strict order" (as currently). But config value can change to "any order".

11. Dhiraj (subteam-r)

    1. 2023-08-22:

       1. checking compliance/license issues

       2. How are policy types created? xApps register by policy type and understands the schema that is bound to it. Non-RT RIC should create policies using the same schema (there's a GUI for this on non-RT RIC side).

    2. 2023-08-29:

       1. got clarity on license issues and now waiting for internal approval before publishing ipv6 releated changes

12. Alexandre (subteam-utfpr)

    1. 2023-08-29: Alexandre working on RIC-989 and RIC-991. Will also take a look at RIC-1001

    2. 2023-09-26: subscription message issue with encoding E2SM parts. A. will send e-mail to Thoralf

13. Nokia (subteam-n)

    1. ...

14. I release content

2023-10-10

no meeting as neither Thoralf nor Sunil were available to host the call

2023-09-26

Recording: link to zoom recording

2023-09-12

Recording: link to zoom recording

2023-08-29 (back to normal week, therefore only 1 week after previous meeting)

Recording: link to zoom recording

2023-08-22 (exceptionally one week later than normal)

Recording: link to zoom recording

1. Every time: Check rule RC-4 (link) that all L or XL commits of the last two weeks have also new unit tests. This is our policy. link-to-reviews (gerrit filter instructions // gerrit t-shirt-sizing).

   1. Last checked on 2023-04-11

      1. https://gerrit.o-ran-sc.org/r/c/ric-plt/xapp-frame/+/10923 OK, module version updates only

2. every second time: Review code coverage stats and blocker code smells

   1. We take a look at the two links in the beginning of this page: Code coverage reports..

   2. The list below is only working reports // Anybody volunteering to work with LF on making the code coverage CI to work again (there's still the old JVM version)

   3. Thoralf did this last on 2023-05-23:  we did not do this this time

3. Every time: Check if there are new bug reports in JIRA: link

   1. RIC-1002 Abnormal signaling process cause E2Term crash (this could be a security issue)

   2. RIC-1001 RMR service should verify route tables.

   3. RIC-991 rmr related (not a duplicate) - Alexandre will take a look

   4. RIC-989 rmr (minor) security issue - Alexandre will take a look

   5. new: RIC-988 CLOSED e2 component configuration → Duplicate of fix https://gerrit.o-ran-sc.org/r/gitweb?p=ric-plt/e2mgr.git;a=commit;h=d2f1a29d3f1cc779045148a82729f644e6110776 

   6. RIC-986 ping-pong example xapp-frame-py needs fixes in the dockerfile DONE

   7. RIC-979 Decode Error with e2sim on e2term Pod - 2023-08-22: Abhijit still looking into this, but with latest Ubuntu packages this seems not to cause the problem anymore.

   8. RIC-972 URL for A1 mediator to align with spec.

   9. RIC-965 RMR wormhole connections uses stale endpoints to make connections 

   10. RIC-921 fix UT test case in e2mgr to stub time (leftover from review https://gerrit.o-ran-sc.org/r/c/ric-plt/e2mgr/+/8493)

   11. RIC-915 dms_cli for installing xapp not working (raised by James)

   12. RIC-905 new (from PW) Issue in reporting the CLEAR ALARM as VES EVENT

   13. RIC-901 new (from PW) BUG FIX IN 'Get ALARM INFO’ NETCONF COMMAND

   14. RIC-897 SCTP connection fails with Viavi // update with workaround → Thoralf changed this into an Epic (problem was on simulator side. But some useful extension on E2T comes from this as well)

   15. RIC-896 xapps sending same msg type and sub id fails - details to be clarified

   16. RIC-894 long idle period (days) causes RMR connection breaks

   17. RIC-864 xapp-frame-cpp CI does not use Dockerfile and therefore uses Ubuntu18.04 (not 20.04) in build

   18. RIC-857 sporadically RMR takes multiple minutes before being "ready"

   19. RIC-852 Intermittent Issue with E2T: While setting up E2 setup request and response.

       1. 2021-12-21: Trying to get bandwidth for this during F release.

   20. RIC-837 RMR is not forwarding messages from E2T to E2M

   21. RIC-835 → 2021-12-07 no news from Viktor

   22. fixed: RIC-986

4. Himanshu: demo on the OAI CU <--> OSC RIC integration

   1. Himanshu presented the integration of SDRAN-fork of OAI (with SDRAN E2 support added) and how the CU connects to OSC RIC

5. James: updates?

   1. 2023-01-31:

      1. working on existing robot test cases (that integrate xapps and platform) to be part of xtesting tests.

      2. Subhash asked for a wiki page documenting this work.

      3. WR also want to contribute to xtesting for O2. CNF package definition still open and concept of DMS.

         1. discussion with Bin Yang in this meeting is possible. Maybe some proposal would be good.

         2. Tacker-based deployment needs to be checked.

   2. 2023-03-14, 2023-03-28 : no news

   3. 2023-04-11: H release test cases related O2 IMS committed into it/test. Some of these related to existing robot test cases.

   4. 2023-04-25: no updates

   5. 2023-05-09:

      1. Q-to-James: summary of what you presented in TOC (1 min) and let's raise question to all for input to integration project.

         1. Xtesting is used in integration project now (already for 6 months or so). Xtesting works also with robot test cases.

         2. James working in this integration for the test cases that are already in it/test. Infrastructure team also contributed O2 releated robot test cases (requires o-loud).

         3. Input from other subprojects, incl. our near-RT RIC project?

      2. James needs some hints on how to run the existing robot test cases in it/test related to missing env variables: GLOBAL_INJECTED_E2MGR_USER and APPMGR_ENDPOINT.

   6. 2023-05-23 → no news

   7. 2023-07-18: James' focus is currently on OSC & OAI cooperation. Current thinking is to use Taiwan lab to host OAI -based installation over E2AP (2.0). See also https://openairinterface.org/mosaic5g/

      1. usage of robot test cases (from it/test) is still something that James is thinking about.

      2. Himanshu commented that he tried OAI CU/DU with OSC RIC and KPM xApp.

   8. 2023-08-01:

      1. O2 integration with OSC RIC is still pending with WR.

      2. OAI was discussed in last week's TOC, and it seems OAI license is not blocker for using OAI in OSC-labs.

   9. 2023-08-22:

      1. Can we do pair-wise testing, e.g., between (1) xapp and RIC, (2) non-RT RIC ↔ near-RT RIC testing (only A1) ?

         1. E.g., KPIMON or bouncer xApp could be used. Sunil might be able to help.

         2. e.g., existing discussion with John

6. Prashant's work in near-RT RIC(subteam-p)

   1. 2023-08-22 : could not participate

7. Sunil updates (subteam-h)?

   1. 2023-07-18, 2023-08-01, 2023-08-22: no news

8. Subhash/Naman updates (subteam-s) ?

   1. 2023-02-28: working on RNIB models for E2 reset. Nanobot integration with A1 mediator. kServe adapter work ongoing (RICDMS extension planned).

      1. Kserve adapter (mentioned in RSAC and e-mail from Hoejoo),

         1. 2023-01-31 Joseph presented the kserve part. We agreed as working assumption to go for solution #1 (slide 2) with model-based inference. Comments by e-mail to Joseph. Slideset: link

            1. Thoralf to create JIRA item for this

            2. Subhash/Thoralf commented that ricdms cli and REST should be implemented at same time. But also ok if only in one.

            3. 2023-02-14: Subhash discussed with Hoejoo on this (internally) - maybe a presentation coming later

            4. https://wiki.o-ran-sc.org/plugins/servlet/mobile?contentId=67535114#content/view/67535114 

         2. Integration with AI/ML project: kserve_adapter

            1. data pipeline (Hoejoo's e-mail)

               1. 2023-01-31 not discussed in today's meeting

   2. 2023-03-14:

      1. E2 Reset E2mgr changes done. submgr change and notification to xapp still open.

      2. A1 mediator nanobot integration still under work

   3. 2023-03-28: work continues

   4. 2023-04-11: E2 reset work in submgr is now under work.

   5. 2023-04-25: Naman working on E2 reset (submgr part), ricdms not too much progress. no update on kserve

   6. 2023-05-09:

      1. E2 reset done, but still one more review coming on submgr to block subscriptions fo0r E2 nodes under reset.

      2. A1 bug fixes being almost ready.

      3. A1 mediator nanobot might be delayed.

      4. AI/ML adapter work is still ongoing - ricdms changes still coming during next 1-2 weeks.

   7. 2023-05-23

      1. E2 reset (from E2 node): done

      2. KServe adapter still being worked on.

      3. nanobot integration still being worked on.

   8. 2023-07-18: no news, planning for I release

   9. 2023-08-01:

      1. E2AP v3.0 → we took a look at what changes are coming 

      2. A1 enhancements

      3. considering upgrade of ubuntu and k8s

      4. deploying RIC and xapps using k8S operator

      5. DMS delete PI

      6. E2 reset from ric to e2 node

   10. 2023-08-22: we discussed Jira item priority.

9. Abhijit updates (subteam-ag) ?

   1. Abhijit is now committer for the rust subsystems (platform and xapp) - but there seem to be issues on LF side that didn't actually made this happen.

      1. Thoralf raised support request to LF. Reminders sent. Still no solution.

   2. 2023-03-14: now has access to hw-rust, but not yet xapp-frame-rust (no need to escalate yet). CI for xapp-frame-rust works now.

   3. 2023-03-28: working on RIC-969 and part of RIC-957

   4. 2023-04-11:

      1. RIC-969 first set of APIs (SDL) implemented. RNIB not yet (also under RIC-969).

      2. hw world xApp should grow with the implementation of xapp-frame-rust. Initial hw-rust xapp will show use of SDL/RNIB.

   5. 2023-04-25

      1. working on RNIB support in rust (https://gerrit.o-ran-sc.org/r/c/ric-plt/xapp-frame-rust/+/10906) and next step hw-rust.

   6. 2023-05-09

      1. RIC-977 (subscription API) - pls. merge.

      2. RIC-978 pls. try to complete during this week.

      3. issues with E2 simulator → to get in contact with Naman and Subhash

   7. 2023-05-23

      1. hw-rust xapp using xapp descriptor (config.json) works, but still fixing lifeness and readiness probe

      2. testing of subscriptions using hw-rust (facing the E2T problem)

   8. 2023-07-18: no news

   9. 2023-08-01: got logs from Subhash. Now ran into issues with Dockerfile in E2T (gcc related differences between ubuntu 20 and 22)

   10. 2023-08-22: next release item discussed and RIC-979

10. Cap Gemini updates (subteam-cg)? 

    1. 2023-03-14

       1. RIC-851 done

       2. RIC-967 (RIC subscription delete required related changes in xApp communication) added to H release. We discussed this in a meeting and decided to implement pre and post notifications aligned with RICARCH.

    2. 2023-03-28, 2023-04-11, 2023-04-25, 2023-05-23: no news.

    3. 2023-05-23: presentation on RIC SUBSCRIPTION DELETE REQUIRED and communication between xApps and submgr. → DONE

    4. 2023-07-18: Cap Gemini (Gunja) conflict management presentation planned for end of July

    5. 2023-08-01

       1. Gunja to present conflict management design

       2. thinking about adding support for DU in E2T/E2M/RNIB in I release

    6. 2023-08-22:

       1. Gunja provided reviews for DU support. Nokia to reviewed and merged

          1.  https://gerrit.o-ran-sc.org/r/q/topic:%22Multiple+E2+Node+support%22 and  https://gerrit.o-ran-sc.org/r/q/topic:Multi_E2_Node

       2. conflit management status?

11. Himanshu (subteam-gs) would like to work on RIC-963

    1. code changes, but difficult to test as difficult to change order of IEs in message.