From: Masaharu Kobashi (mkbsh@cs.washington.edu)
Date: Tue Nov 16 2004 - 18:20:53 PST
1. Main result of the paper
The paper presents the motivation behind the initial design of DNS and
its evolution with interesting discussion of the experience of
implementing the DNS. The experience provides us valuable insight and
suggestions for future changes to DNS.
2. Strengths in this paper
The paper provides rare information on the motivation of the initial
design of DNS and the story of the experiences of its implementation
has high value since it can only be gained from such rare occasions.
The experience gives us valuable lessons such as:
- behavior of administrators and their psychology with respect
to TTL setting etc.
- value of examples in documentation
- causes of DNS query errors which lead to the suggestion of
negative cache
3. Limitations and suggested improvements
The style of the paper is unusual for an academic paper, which is
acceptable, but the description of the DNS architecture is not clear
or systematic. I wish clarity like the text book's description of DNS.
Some exhibits or figures would help better understand it.
Although the paper is strong in providing precious story based on
the real experience of implementing the DNS for the first time, it
is weak in discussing the key point which is to answer the question:
"Why DNS is necessary and better than possible alternatives".
4. Relevance today and future
Psychology of administrators and the general habit of users in using
documentation and the system will be unchanged into the future.
Therefore, the suggestion of the paper based on their experience will
continue to be valid into the future.
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