diff options
Diffstat (limited to 'doc/manuals/chapters/proxy_cache_periodic_lu.msc')
| -rw-r--r-- | doc/manuals/chapters/proxy_cache_periodic_lu.msc | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/doc/manuals/chapters/proxy_cache_periodic_lu.msc b/doc/manuals/chapters/proxy_cache_periodic_lu.msc new file mode 100644 index 0000000..b18a43a --- /dev/null +++ b/doc/manuals/chapters/proxy_cache_periodic_lu.msc @@ -0,0 +1,43 @@ +msc { + hscale="2"; + ms[label="MS,BSS"],__msc[label="MSC"],hlr[label="HLR proxy"],home[label="Home HLR"]; + + ms => __msc [label="Location Updating Request (Periodic)"]; + ms rbox __msc [label="Authentication,\nusing the next of 5 auth tuples the MSC has stored"]; + __msc => hlr [label="Update Location Request"]; + hlr rbox hlr [label="Use already set up proxy path"]; + hlr abox hlr [label="(8) proxy cache already has all information to answer"]; + __msc <= hlr [label="Insert Subscriber Data Request"]; + __msc => hlr [label="Insert Subscriber Data Result"]; + __msc <= hlr [label="Update Location Result"]; + ms <= __msc [label="Location Updating Accept"]; + hlr rbox hlr [label="(9) Verify Update Location with home HLR"]; + |||; + --- [label="if the home HLR has no changes and accepts"]; + hlr => home [label="Update Location Request"]; + hlr <= home [label="Insert Subscriber Data Request"]; + hlr => home [label="Insert Subscriber Data Result"]; + hlr abox hlr [label="Notice identical MSISDN"]; + hlr <= home [label="Update Location Result"]; + |||; + --- [label="if the home HLR is unreachable"]; + hlr => home [label="Update Location Request"]; + hlr abox hlr [label="no link\nor\nresponse timeout"]; + hlr rbox hlr [label="Don't care, carry on"]; + |||; + --- [label="if the home HLR has a modified MSISDN, and accepts"]; + hlr => home [label="Update Location Request"]; + hlr <= home [label="Insert Subscriber Data Request"]; + hlr => home [label="Insert Subscriber Data Result"]; + hlr abox hlr [label="Notice changed MSISDN"]; + __msc <= hlr [label="Insert Subscriber Data Request"]; + __msc => hlr [label="Insert Subscriber Data Result"]; + hlr <= home [label="Update Location Result"]; + |||; + --- [label="if the home HLR rejects"]; + hlr => home [label="Update Location Request"]; + hlr <= home [label="Update Location Error"]; + __msc <= hlr [label="Cancel Location Request"]; + __msc => hlr [label="Cancel Location Result"]; + hlr rbox hlr [label="Clear subscriber cache"]; +} |