He is known principally for being the Editor of the Request for Comment (RFC) document series, for Simple Mail Transfer Protocol (SMTP), and for administering the Internet Assigned Numbers Authority (IANA) until his death.
Ia lebih dikenal sebagai editor seri dokumen Request for Comment (RFC), Simple Mail Transfer Protocol (SMTP), dan pengelola Internet Assigned Numbers Authority (IANA) sampai meninggal dunia.