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Diffstat (limited to 'doc/manuals/chapters/proxy_cache_attach.ladder')
| -rw-r--r-- | doc/manuals/chapters/proxy_cache_attach.ladder | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/doc/manuals/chapters/proxy_cache_attach.ladder b/doc/manuals/chapters/proxy_cache_attach.ladder new file mode 100644 index 0000000..8fc41b4 --- /dev/null +++ b/doc/manuals/chapters/proxy_cache_attach.ladder @@ -0,0 +1,39 @@ +{hscale=2} +ms = MS,BSS +msc = MSC +hlr = HLR proxy +home = Home HLR + +ms -> msc Location Updating Request (IMSI Attach) +msc -> hlr Send Auth Info Request +hlr <> hlr No proxy cache data available for this subscriber +hlr () home mslookup finds the home HLR +hlr -> home Send Auth Info Request +hlr <- home Send Auth Info Result + with 5 auth tuples +hlr () . (1) Keep a copy of the auth tuples +msc <- hlr Send Auth Info Result +msc () . MSC stores 5 auth tuples, + uses the first one now, + and keeps the rest for later requests +ms () msc Authentication +msc -> hlr Update Location Request +hlr -> home Update Location Request +hlr <- home Insert Subscriber Data Request + (with subscriber's MSISDN) +hlr () . proxy HLR caches the MSISDN +msc <- hlr Insert Subscriber Data Request +msc -> hlr Insert Subscriber Data Result +hlr -> home Insert Subscriber Data Result +hlr <- home Update Location Result +msc <- hlr Update Location Result +ms <- msc Location Updating Accept +hlr <> . After successful Update Location, check the cache +hlr () . (2) Ask for more auth tuples to cache + (amount of tuples configurable) +hlr -> home Send Auth Info Request +hlr <- home Send Auth Info Result +hlr () . store 5 more tuples +hlr -> home Send Auth Info Request +hlr <- home Send Auth Info Result +hlr () . store yet 5 more tuples |