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Unformatted text preview: ted directory service model Where is x.com?
5 Browser Machine ISP Name Servers Root Name Servers 3
7 6 4 x.com Website Server
Authoratative Name Servers 1. Browser asks your ISP name server for the domain’s IP address.
2. If your ISP name server doesn’t know, it then asks the root name server where to find the authoratative name
server for the domain.
3. The ISP name server then asks for the IP address from the authoratative name server.
4. The authoratative name server then sends the IP address back to the ISP name server.
5. The ISP name server then sends the IP address back to the browser.
6. Browser uses I...
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This document was uploaded on 03/18/2014 for the course EECS 6.170 at MIT.
- Spring '13