September 2015
Intermediate to advanced
527 pages
14h 8m
English
Content preview from Cloud Computing Networking
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170 Cloud ComPuting networking
name pairs. Many organizations create their own name service for better security and
performance. For some large organizations, they may have lower level DNS servers for
their sites and departments.
Searching for records in such a distributed database can be a complicated task.
One needs to know where to nd the DNS server hosting the database that has the
requested records. e next section illustrates how to search for a record in a hierarchi-
cal distributed DNS database.
5.3.3 Name Resolution Process
e process to match the IP address for a given domain name is called a forward lookup
process. Reversely, the process to match the domain name for a given IP address is
called a reverse lookup process. e follow
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