@techreport{murakami-softwire-4rd-01,
    number =    {draft-murakami-softwire-4rd-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-murakami-softwire-4rd/01/},
    author =    {Tetsuya Murakami and Ole Trøan and Satoru Matsushima},
    title =     {{IPv4 Residual Deployment on IPv6 infrastructure - protocol specification}},
    pagetotal = 19,
    year =      2011,
    month =     sep,
    day =       24,
    abstract =  {This document specifies an automatic tunneling mechanism for providing IPv4 connectivity service to end users over a service provider's IPv6 network. Key aspects include stateless operation, sharing of IPv4 addresses, and an algorithmic mapping between IPv4 addresses and IPv6 tunnel endpoints.},
}