{"type":"doc","content":[{"type":"paragraph","content":[{"text":"This page supports the discussion about the solution as started by ","type":"text"},{"type":"mention","attrs":{"id":"557058:37307e89-08e0-46fb-a811-bc408ef164ab","text":"@FREEMAN, BRIAN D"}}]},{"type":"paragraph","content":[{"text":"Invited ","type":"text"},{"type":"mention","attrs":{"id":"5ea4d117e6be7d0c195b0968","text":"@Robert Varga"}},{"text":" and other...","type":"text"}]},{"type":"paragraph"},{"type":"paragraph","content":[{"text":"Target","type":"text","marks":[{"type":"strong"}]},{"text":": No changes needed on OpenDaylight itself","type":"text"}]},{"type":"paragraph"},{"type":"extension","attrs":{"extensionType":"com.atlassian.confluence.macro.core","extensionKey":"plantuml","parameters":{"macroParams":{"__bodyContent":{"value":"''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' \n' Copyright 2020 highstreet technologies GmbH\n' Licensed under the Apache License, Version 2.0 (the \"License\"); \n' you may not use this file except in compliance with the License. \n' You may obtain a copy of the License at \n' \n' http://www.apache.org/licenses/LICENSE-2.0 \n' \n' Unless required by applicable law or agreed to in writing, software \n' distributed under the License is distributed on an \"AS IS\" BASIS, \n' WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. \n' See the License for the specific language governing permissions and \n' limitations under the License. \n\n@startuml\n\n' Diagram \ntitle \n O-RAN-SC\n How to implement non-permanent NetConf sessions using ODL\nend title\n\nbox \"OpenDaylight\" #gold\n participant \"ODL NetConf Client\" as ncc\n participant \"Customer NetConf Adapter\" as adapter\nend box\n\nbox “Network” #lightpink\n participant \"NetConf Server\" as ncs\nend box\n\n== Target subject of the discussion ==\n\nncs <--> adapter: non-permanent NetConf Session\nadapter <-> ncc: permanent NetConf Session\n\nnote right\n The adapter keeps the SSH TLS session to ODL,\n identifiies ODL-NetConf-KeepAlives and anwers them.\n Consequence:\n - From ODL point of view the MountPoint is the Adapter.\n - Details about port ranges and Handover to another \"master\" \n of the NetConf session in an ODL cluster to be discussed.\n - Is the Adapter instanciated per MountPoint or does the \n Adapter terminate more than one NetConf session?\n - How are the TLS certificates, private keys handled between\n NetConf-Server, Adapter, NetConf Client?\nend note\n\n\n== Details starting from NO CONNECTION ==\n\nncc <-> adapter: Establish SSH/TLS\nactivate adapter #lightpink\nadapter <-> ncs: Establish SSH/TLS\n\nactivate adapter #f66\n\nautonumber 10 10 \"[000]\"\nncc -> adapter: Hello Message\nadapter -> ncs: Hello Message\nadapter <- ncs: Capabilites\nncc <- adapter: Capabilites\n\nadapter -> ncs: Close session - Terminate NetConf/TLS/SSH\ndeactivate adapter\n\nloop every 120s\n ncc -> adapter: NetConf keep-alive request\n ncc <- adapter: NetConf keep-alive response\nend loop\n\nncc -> adapter: request\nactivate adapter #f66\nadapter <-> ncs: Establish SSH/TLS\nadapter -> ncs: Hello Message\nadapter <- ncs: Capabilites\nadapter -> adapter: Analyse capability changes\nncc <- adapter: inform in case of capability changes\n\nadapter -> ncs: request\nadapter <- ncs: response\nncc <- adapter: response\nadapter -> ncs: Close session - Terminate NetConf/TLS/SSH\ndeactivate adapter\n\nloop every 120s\n ncc -> adapter: NetConf keep-alive request\n ncc <- adapter: NetConf keep-alive response\nend loop\n\nncc -> adapter: Close session - Terminate NetConf/TLS/SSH\n\ndeactivate adapter\n\n\n\n' End Diagram\n' Format\nheader\n License\n Apache 2.0\nend header\n\nright footer \n Thanks to plantUml! \n 2019-07-16 | o-ran-sc.org\nend footer\n\nskinparam backgroundColor #fefefe\n'skinparam handwritten true\nskinparam roundcorner 15\nskinparam componentStyle uml2\n\nskinparam databaseBorderColor #444444\nskinparam databaseBackgroundColor #fefefe\nskinparam databaseFontColor #444444\n\nskinparam component {\n BorderColor #666666\n BackgroundColor #fefefe\n}\n\nskinparam interface {\n BorderColor #666666\n BackgroundColor #fefefe\n FontColor #fefefe\n}\n\nskinparam node {\n FontColor #ffffff\n}\n\nskinparam sequence {\n MessageAlign left\n ArrowColor #2277dd\n ArrowFontColor #444444\n ActorBorderColor #444444\n LifeLineBorderColor #444444\n LifeLineBackgroundColor #eeeeee\n \n BoxBorderColor #444444\n \n GroupBorderColor #444444\n GroupBackgroundColor #eeeeee\n \n ParticipantBorderColor #444444\n ParticipantBackgroundColor #ffffdd\n ParticipantFontColor #444444\n \n ActorBackgroundColor #ffffdd\n 'ActorFontColor DeepSkyBlue\n 'ActorFontSize 17\n 'ActorFontName Aapex\n}\n\n@enduml"},"atlassian-macro-output-type":{"value":"INLINE"}},"macroMetadata":{"macroId":{"value":"8bf8537b-f2c9-487a-8ef2-f0cb29516b17"},"schemaVersion":{"value":"1"},"title":"plantuml"}}}}],"version":1}

Architecture discussion for Non-Permanent NetConf Sessions