IPv6 is the IP protocol version that is being deployed these days in parallel to IPv4 and as a replacement to it.
IPv6 offers an address space of 128 bits, providing ample room for both current and future needs.
WebRTC supports both IPv4 and IPv6.
About WebRTC Glossary
The WebRTC Glossary is an ongoing project where users can learn more about WebRTC related terms. It is maintained by Tsahi Levent-Levi of BlogGeek.me.
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