From: Jon Forrest (forrest@ce.berkeley.edu)
Date: Thu May 02 2002 - 11:03:25 PDT
I recently had an interesting friendly discussion
with the people in EECS about the berkeley.edu
vs. Berkeley.EDU naming convention. They
pointed me to http://www.net.berkeley.edu/hostmaster/sdn.html
which says, among other things:
"The Internet domain name for the University of California at
Berkeley is berkeley.edu", "Domain names are not case
significant", and "The following mixed-case style is
recommended to improve the readability of names in the
".Berkeley.EDU" subdomain:"
I took this to mean that I was free to accept or reject the
mixed-case format, and that if I chose to reject it the
only bad affect would be alleged reduced readability.
In other words, there would be no functional difference.
The wise people in EECS told me that this assumption
was not correct. This is because when Solaris receives
an NFS mount request Solaris does a reverse lookup
of the IP address of the system making the request.
The result of the reverse lookup must EXACTLY
(including case) match an entry in the exports file.
I didn't know this.
Does anybody else know of any functional reasons
for using a specific naming convention? If any do
come up, such as the one mentioned by the EECS
people, then I suggest that CNS modify their
web page to include these reasons. They should
certainly include the Solaris information.
Jon Forrest
Computer Resources Manager
Civil and Environmental Engineering Dept.
205 Davis Hall
Univ. of Calif., Berkeley
Berkeley, CA 94720-1710
510-642-0904
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