How optimization is achieved in dns, Computer Engineering

Assignment Help:

How optimization is achieved in DNS?

Two primary optimizations used in DNS and they are: replication and caching. All root servers is replicated; various copies of the server exist around the world. While a new site joins the internet, the site configures its local DNS server along with a list of root server. The site server uses any root server is most responsive at a provided point of time. Into DNS caching each server maintains a cache of names. When this looks up a new name, the server puts a copy of the binding in its cache. Before contacting other server to request a binding, the server checks its cache; when the cache have the answer the server uses the cached answer to produce a reply.


Related Discussions:- How optimization is achieved in dns

What is data hazard in pipelining, What is data hazard in pipelining? What ...

What is data hazard in pipelining? What are the solutions? A data hazard is a situation in which  the pipeline is stalled due to the data to be operated on are delayed for some

What is programming paradigm, a. Explain the Programming Paradigm? Discuss ...

a. Explain the Programming Paradigm? Discuss four major programming paradigms. b. State the three basic logic operators available in C++? Write a small program in C++ that uses

Determine the example - fork-join, Determine the Example - "fork-join" ...

Determine the Example - "fork-join" module initial_fork_join(); reg clk,reset,enable,data; initial begin $monitor("‰g clk=‰b reset=‰b enable=‰b data=‰b", $time, cl

Why a function canot have delays, Why a function canot have delays? How...

Why a function canot have delays? However in Open Vera, delays are allowed in function. A function returns a value and hence can be used as a part of any expression. This doesn

Explain height of a tree, Height of a tree The length of the longest pa...

Height of a tree The length of the longest path from root to any node is called as the height of the tree.

What is inode, What is 'inode'? All UNIX files have its description kep...

What is 'inode'? All UNIX files have its description kept in a structure called 'inode'. The inode have info about the file-size, its location, time of last access, time of las

Intel architecture – 64, IA-64 (Intel Architecture-64) is a 64-bit processo...

IA-64 (Intel Architecture-64) is a 64-bit processor architecture created in cooperation by Hewlett-Packard and Intel applied by processors like Itanium. The objective of Itanium wa

What is store program control, What is store program control (SPC)? Wi...

What is store program control (SPC)? Within stored program control systems, a program or set of instructions for the computer that is stored in its memory and the instructions

Compiling and running the pvm program, Now we will learn how to compile and...

Now we will learn how to compile and run PVM programs. To compile the program change to directory pvm/lib/archname where archname is architecture name of your computer. Then the su

Explain increments and skips subsequent instruction, Q. Explain Increments ...

Q. Explain Increments and skips subsequent instruction? Increments A and skips subsequent instruction if the content of A has become 0. This is a complex instruction then requi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd