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Introducing the pasta package as an alternative for non-priviledged container networking: https://passt.top/passt/about/ passt: Plug A Simple Socket Transport passt implements a translation layer between a Layer-2 network interface and native Layer-4 sockets (TCP, UDP, ICMP/ICMPv6 echo) on a host. It doesn't require any capabilities or privileges, and it can be used as a simple replacement for Slirp. pasta: Pack A Subtle Tap Abstraction pasta (same binary as passt, different command) offers equivalent functionality, for network namespaces: traffic is forwarded using a tap interface inside the namespace, without the need to create further interfaces on the host, hence not requiring any capabilities or privileges. It also implements a tap bypass path for local connections: packets with a local destination address are moved directly between Layer-4 sockets, avoiding Layer-2 translations, using the splice(2) and recvmmsg(2)/sendmmsg(2) system calls for TCP and UDP, respectively. Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> |
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| netns | ||
| openvswitch | ||
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| slirp4netns | ||