@misc{rfc4045,
    series =    {Request for Comments},
    number =    4045,
    howpublished =  {RFC 4045},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4045},
    url =       {https://www.rfc-editor.org/info/rfc4045},
    author =    {Gilles Bourdon},
    title =     {{Extensions to Support Efficient Carrying of Multicast Traffic in Layer-2 Tunneling Protocol (L2TP)}},
    pagetotal = 28,
    year =      2005,
    month =     apr,
    abstract =  {The Layer Two Tunneling Protocol (L2TP) provides a method for tunneling PPP packets. This document describes an extension to L2TP, to make efficient use of L2TP tunnels within the context of deploying multicast services whose data will have to be conveyed by these tunnels. This memo defines an Experimental Protocol for the Internet community.},
}