最近想实现个功能发现了这个技术
MPTCP uses TCP Option field 30, which the Internet Assigned Number Authority (IANA) reserves for this use. If any middleboxes, such as routers or switches, between the iOS device and server don’t support MPTCP, iOS makes a standard TCP connection.
按照 Apple 的描述，好像条件很苛刻
AWS amd64 linux 上查看好像也启用了
$ sudo sysctl -a | grep mptcp
net.ipv4.tcp_available_ulp = espintcp mptcp
net.mptcp.add_addr_timeout = 120
net.mptcp.enabled = 1
用公开服务测试还是不成功
$ curl http://www.multipath-tcp.org
Nay, Nay, Nay, your have an old computer that does not speak MPTCP. Shame on you!
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