%% You should probably cite rfc2121 instead of this I-D.
@techreport{armitage-ion-cluster-size-00,
    number =    {draft-armitage-ion-cluster-size-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-armitage-ion-cluster-size/00/},
    author =    {Dr. Grenville Armitage},
    title =     {{Issues affecting MARS Cluster Size}},
    pagetotal = 12,
    year =      1996,
    month =     jul,
    day =       15,
    abstract =  {This document provides a qualitative look at the issues constraining a MARS Cluster's size, including the impact of VC limits in switches and NICs, geographical distribution of cluster members, and the use of VC Mesh or MCS modes to support multicast groups. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.},
}