October 1998
Beginner
512 pages
14h 22m
English
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Planning Your DNS Service
Before installing DNS on your network decide how many servers you’ll use, what type they will be, and how they will be placed. These decisions affect all networks but are most significant for enterprise networks connected by wide area links.
The primary server should be located in your central computer facility. This assumes that the facility that holds your key enterprise servers has the best network connectivity, and that it is conveniently located for the domain administrator who needs good access to the server in order to create and maintain the DNS database. The primary DNS server should be located on the same LAN segment as the WINS server because updates from the WINS server are used by the Microsoft DNS Server to build the DNS database.
The number and location of secondary servers depends on the characteristics of the network they are serving. Remember that if you’re connected to the Internet, you serve the Internet because some of the queries for DNS information about your domain will come from there. Your primary server should have excellent Internet connectivity and you should have at least one secondary server with a separate path to the Internet. On a large enterprise network you may have a redundant Internet connection that the secondary server could use, but most small networks will need to ask their ISP to host the secondary server.
The location of servers within an enterprise is influenced by the type of physical networks that connect the ...
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