In 1995, he cofounded the Palo Alto Internet Exchange (PAIX), and after Metromedia Fiber Network (MFN) bought it in 1999 served as the chief technology officer to MFN / AboveNet and later as the president of PAIX.
^Vixie, Paul (2002-02-26). "Re: Malformed SNMP Packet log/trace". North American Network Operations Group mailing list. Archived from the original on 2003-03-20. Retrieved 2007-03-07. "note that i hold the single-author record for total CERT advisories, proving that in my copious youth i knew how to sling code but not how to manage risk."
^Graff, Mark G.; Kenneth R. "van" Wyk (2003). Secure Coding: Principles and Practices. O'Reilly. pp. "Advance Praise" section. ISBN0-596-00242-4. "If this book had existed when I was learning C in the early 1980s, then I might not now hold the record for 'most CERT advisories due to a single author.' Anyone who wants a coding job at ISC in the future should be prepared to demonstrate that they have read and understand Secure Coding."Cite uses deprecated parameters (help)