Neels Hofmeyr | 1971b67 | 2020-01-23 04:40:51 +0100 | [diff] [blame^] | 1 | msc { |
| 2 | hscale="2"; |
| 3 | ms[label="MS,BSS"],__msc[label="MSC"],hlr[label="HLR proxy"],home[label="Home HLR"]; |
| 4 | |
| 5 | ms => __msc [label="CM Service Request / Paging Response"]; |
| 6 | __msc => hlr [label="Send Auth Info Request"]; |
| 7 | hlr rbox hlr [label="Use already set up proxy path"]; |
| 8 | hlr abox hlr [label="All cached auth tuples have been sent to the MSC before"]; |
| 9 | --- [label="If no GSM AKA fallback is allowed"]; |
| 10 | __msc <= hlr [label="Send Auth Info Error"]; |
| 11 | ms rbox __msc [label="Detach"]; |
| 12 | --- [label="If GSM AKA fallback is allowed"]; |
| 13 | hlr rbox hlr [label="(6) Resend only GSM AKA tuples, already sent earlier"]; |
| 14 | __msc <= hlr [label="Send Auth Info Result\ncontaining GSM AKA auth tuples\nfrom the proxy cache"]; |
| 15 | ms rbox __msc [label="2G: Authentication\n3G: Detach"]; |
| 16 | ms rbox __msc [label="Continue the CM Service / Paging action"]; |
| 17 | } |