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Python Network Programming
book

Python Network Programming

by Abhishek Ratan, Eric Chou, Pradeeban Kathiravelu, Dr. M. O. Faruque Sarker
January 2019
Beginner to intermediate content levelBeginner to intermediate
776 pages
19h 58m
English
Packt Publishing
Content preview from Python Network Programming

Multithreading for parallel processing

As we are now focusing on writing our scripts efficiently, a major aspect of this is how efficiently, quickly, and correctly we fetch the information. When we use the for loop, we parse through each item one by one, which is fine if we get results quickly.

Now, if each item in a for loop is a router from which we need to get the output of show version, and if each router takes around 10 seconds to log in, gather the output, and log out, and we have around 30 routers that we need to get this information from, we would need 10*30 = 300 seconds for the program to complete the execution. If we are looking for more advanced or complex calculations on each output, which might take up to a minute, then it will ...

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Publisher Resources

ISBN: 9781788835466Supplemental Content