%% You should probably cite draft-rhl-dhc-dhcpv6-extensions instead of this I-D.
@techreport{ietf-dhc-problem-statement-of-mredhcpv6-00,
    number =    {draft-ietf-dhc-problem-statement-of-mredhcpv6-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-dhc-problem-statement-of-mredhcpv6/00/},
    author =    {Ren Gang and Lin He and Ying Liu},
    title =     {{Problem Statement of Multi-requirement Extensions for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)}},
    pagetotal = 11,
    year =      2019,
    month =     may,
    day =       23,
    abstract =  {The manageability, security, privacy protection, and traceability of networks can be supported by extending DHCPv6 protocol according to requirements. This document analyzes current extension practices and typical DHCP server software on extensions, defines a DHCP general model, discusses some extension points, and present extension cases.},
}