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obonaventure / cnp3

Computer Networking : Principles, Protocols and Practice (first and second edition, third edition is being written on https://github.com/cnp3/ebook)
https://www.computer-networking.info
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Add an illustration of the DNS hierarchy #209

Open oliviertilmans opened 7 years ago

oliviertilmans commented 7 years ago

The book has no graphic of the DNS hierarchy, and it is quite useful to show one to students to let them understand better which server knows which zone, and the delegation/recursion when resolving a name.

cfr. New exercise session