<?xml version='1.0'?>

<reference anchor='RFC3639'>

<front>
<title>Considerations on the use of a Service Identifier in Packet Headers</title>
<author initials='M.' surname='St. Johns' fullname='M. St. Johns'>
<organization /></author>
<author initials='G.' surname='Huston' fullname='G. Huston'>
<organization /></author>
<author>
<organization>IAB</organization></author>
<date month='October' year='2003' /></front>

<seriesInfo name='RFC' value='3639' />
<format type='TXT' octets='15389' target='ftp://ftp.isi.edu/in-notes/rfc3639.txt' />
</reference>
