mirror of git://git.sysmocom.de/ofono
doc: Reformat the dialup architecture layout a bit
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DialUp Networking diagram
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DialUp Networking diagram
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=========================
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=========================
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This diagram explains how oFono and ConnMan are interacting to
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This diagram explains how oFono and ConnMan are interacting to handle a data
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handle a data call from a DUN client.
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call from a DUN client.
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1) GAtServer receive ATD*99#.
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1) GAtServer receive ATD*99#.
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2) The GAtPPP server is setup.
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2) The GAtPPP server is setup.
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3) oFono through GAtPPP notify ConnMan that he needs a TUN/TAP interface.
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3) oFono through GAtPPP notify ConnMan that he needs a TUN/TAP interface.
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4) oFono is notified that TUN/TAP interface is created and can start exchanging
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4) oFono is notified that TUN/TAP interface is created and can start exchanging
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PPP packets with DUN client. Those PPP packets are converted into IP stream
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PPP packets with DUN client. Those PPP packets are converted into IP stream
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and transmitted to/received from TUN/TAP interface.
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and transmitted to/received from TUN/TAP interface.
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5) ConnMan is selecting which interface to send IP packets (WiFi, 3G, ethX, ...).
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5) ConnMan is selecting which interface to send IP packets (WiFi, 3G, ...).
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*----------------* *----------------*
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*----------------* *----------------*
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| | ATD*99# | |
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| | ATD*99# | |
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@ -44,4 +46,3 @@ and transmitted to/received from TUN/TAP interface.
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| WiFi | | Modem | | EthX |
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| WiFi | | Modem | | EthX |
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| | | | | |
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*-------------* *-------------* *-------------*
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*-------------* *-------------* *-------------*
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