Add support for SCION addresses #243
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We'd like to upstream libp2p support for the SCION12 Internet architecture.
This PR adds support for multiaddrs like
/scion/19-ffaa:1:1079. SCION IAs consist of a 16-bit ISD and a 48-bit AS number separated by-. ISD numbers are formatted as decimal (19), AS numbering is similar to IPv6 (ffaa:1:1079). 3 A SCION multiaddr can encapsulate an IP address to specify an endpoint, e.g./scion/19-ffaa:1:1079/ip4/127.0.0.1.I have already reserved a corresponding protocol identifier in multiformats/multicodec#325. There also is an experimental go-libp2p SCION+QUIC transport available at netsys-lab/go-libp2p@7ea953a.
Footnotes
https://scion-architecture.net/ ↩
https://en.wikipedia.org/wiki/SCION_(Internet_architecture) ↩
https://docs.scion.org/en/latest/overview.html#isd-and-as-numbering ↩