Hybrid Encapsulation Layer for IP and UDP Messages (HELIUM)

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Last updated 2018-12-27 (latest revision 2018-06-25)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


HELIUM is a protocol that can be used to implement a UDP proxy, a VPN, or a hybrid of these. It is intended to run over a reliable, secure substrate transport. It can serve a variety of use cases, but its initial purpose is to enable HTTP proxies to forward non-TCP flows.


Benjamin Schwartz (bemasc@google.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)