@misc{rfc5217,
    series =    {Request for Comments},
    number =    5217,
    howpublished =  {RFC 5217},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC5217},
    url =       {https://www.rfc-editor.org/info/rfc5217},
    author =    {Nelson Hastings and Rebecca Nielsen and Masaki Shimaoka},
    title =     {{Memorandum for Multi-Domain Public Key Infrastructure Interoperability}},
    pagetotal = 29,
    year =      2008,
    month =     jul,
    abstract =  {The objective of this document is to establish a terminology framework and to suggest the operational requirements of Public Key Infrastructure (PKI) domain for interoperability of multi-domain Public Key Infrastructure, where each PKI domain is operated under a distinct policy. This document describes the relationships between Certification Authorities (CAs), provides the definition and requirements for PKI domains, and discusses typical models of multi-domain PKI. This memo provides information for the Internet community.},
}