Change in osmo-upf[master]: manual: add charts explaining tunend and tunmap

neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-upf/+/30835 ) Change subject: manual: add charts explaining tunend and tunmap ...................................................................... manual: add charts explaining tunend and tunmap Change-Id: Ia0674c97eb0d8b5caeae988aefe523c5eee7318b --- M doc/manuals/chapters/overview.adoc 1 file changed, 24 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-upf refs/changes/35/30835/1 diff --git a/doc/manuals/chapters/overview.adoc b/doc/manuals/chapters/overview.adoc index a6dc345..fa01939 100644 --- a/doc/manuals/chapters/overview.adoc +++ b/doc/manuals/chapters/overview.adoc @@ -79,6 +79,18 @@ OsmoUPF does not support the complete PFCP feature set. It detects exactly two use cases that will provide service of actual GTP tunnels: +.tunend use case +---- +Access osmo-upf Core + | PDR1: > FAR1: | + | IP/GTP | IP | + | ------> F-TEID | -----> | + | | | + | FAR2: < PDR2: | + | IP/GTP | IP | + | F-TEID <------ | UE IP addr <----- | +---- + * `tunend`: GTP tunnel encapsulation/decapsulation: - One Packet Detection Rule (PDR) accepts a GTP tunnel from the Access side with an Outer Header Removal. @@ -86,6 +98,18 @@ - Another PDR accepts plain IP on a specific IP address from Core. - The second PDR uses a FAR towards Access with Outer Header Creation for GTP. +.tunmap use case +---- +Access osmo-upf Core + | PDR1: > FAR1: | + | IP/GTP | IP/GTP | + | ------> F-TEID | -----> F-TEID | + | | | + | FAR2: < PDR2: | + | IP/GTP | IP/GTP | + | F-TEID <------ | F-TEID <----- | +---- + * `tunmap`: GTP tunnel forwarding: - One Packet Detection Rule (PDR) accepts a GTP tunnel from the Access side with an Outer Header Removal. -- To view, visit https://gerrit.osmocom.org/c/osmo-upf/+/30835 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-upf Gerrit-Branch: master Gerrit-Change-Id: Ia0674c97eb0d8b5caeae988aefe523c5eee7318b Gerrit-Change-Number: 30835 Gerrit-PatchSet: 1 Gerrit-Owner: neels &lt;nhofmeyr(a)sysmocom.de&gt; Gerrit-MessageType: newchange