<?xml version='1.0'?>

<reference anchor='RFC0209'>

<front>
<title>Host/IMP interface documentation</title>
<author initials='B.' surname='Cosell' fullname='B. Cosell'>
<organization /></author>
<date month='August' day='13' year='1971' /></front>

<seriesInfo name='RFC' value='209' />
<format type='TXT' octets='2566' target='ftp://ftp.isi.edu/in-notes/rfc209.txt' />
</reference>
