MPTCP Proxy Support Costin Raiciu. Explicit Proxies The MPTCP host knows about the proxy (e.g. via DHCP) All connections are made to the proxy – Signaling.

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Presentation transcript:

MPTCP Proxy Support Costin Raiciu

Explicit Proxies The MPTCP host knows about the proxy (e.g. via DHCP) All connections are made to the proxy – Signaling to tell real destination Ideal solution: put address in SYN options – No space even for IPv4 – IPv6 – don’t even mention it

Application Explicit Proxies Use SOCKS for HTTP, etc. Not ideal, but gets the job done

Implicit Proxies Proxy is on-path for the first subflow – 3G operators could deploy a proxy on path of traffic

Implicit Proxy: Server Speaks MPTCP 3G celltower MPTCP Proxy

Implicit Proxy: Server Speaks MPTCP 3G celltower MPTCP Proxy

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy ADD_ADDR

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy REMOVE_ADDR

Implicit Proxy: Server Does Not Speak MPTCP 3G celltower MPTCP Proxy

Implicit Proxy Address Signaling We could optimize this – I am a proxy bit could stop additional subflow setup – But still need add_address – Could avoid three way handshake?