@misc{rfc4664,
    series =    {Request for Comments},
    number =    4664,
    howpublished =  {RFC 4664},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4664},
    url =       {https://www.rfc-editor.org/info/rfc4664},
    author =    {Eric C. Rosen and Loa Andersson},
    title =     {{Framework for Layer 2 Virtual Private Networks (L2VPNs)}},
    pagetotal = 44,
    year =      2006,
    month =     sep,
    abstract =  {This document provides a framework for Layer 2 Provider Provisioned Virtual Private Networks (L2VPNs). This framework is intended to aid in standardizing protocols and mechanisms to support interoperable L2VPNs. This memo provides information for the Internet community.},
}