Softwire (protocol)

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In computer networking, a softwire protocol is a type of tunneling protocol that creates a virtual "wire" that transparently encapsulates another protocol as if it was an anonymous point-to-point low-level link.[1] Softwires are used for various purposes, one of which is to carry IPv4 traffic over IPv6 and vice versa, in order to support IPv6 transition mechanisms.[2]


  1. ^ "Tunneling Services for IPv4-to-IPv6 Transition Overview". Juniper. Retrieved 2012-09-25.
  2. ^ "Softwires (softwire): Description of Working Group". IETF. Retrieved 2012-09-25.

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