Editing Computer Networks (section)

== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling the 'Exponential Backoff' Algorithm:'''
<syntaxhighlight lang="python">
import random
import time

def simulate_collision_retry(attempt):
    """
    When two computers talk at once (collision), 
    they wait a random time before trying again.
    The wait time doubles with each failure.
    """
    max_wait = (2 ** attempt) - 1
    wait_time = random.randint(0, max_wait)
    return wait_time

# If 3 collisions occur
for i in range(1, 4):
    wait = simulate_collision_retry(i)
    print(f"Collision {i}: Waiting for {wait} units of time...")
# This simple math is what prevents 'network storms' 
# where everyone keeps talking over each other.
</syntaxhighlight>

; Core Network Technologies
: '''IPv6''' → The new addressing system (replacing IPv4) that allows for 340 undecillion addresses (enough for every atom on Earth).
: '''SSL/TLS''' → The encryption that turns http into http'''s''', protecting your data from "sniffers."
: '''CDN (Content Delivery Network)''' → Storing copies of a website on servers all over the world so users can download it from the closest one.
: '''BGP (Border Gateway Protocol)''' → The "postal master" protocol that manages the routing tables of the entire Internet.
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