TCP vs UDP: TCP guarantees delivery order, UDP is faster but unreliable

Network address translation

Why can't every device have its own unique IP address?

ACID

ACID guarantees data validity in transactions

History of general-purpose CPUs

Why can't computers talk to each other as fast as we want?

Load balancing (computing)

Load balancing distributes tasks efficiently across resources

P

P vs NP asks if every problem whose solution is quickly verifiable can also be quickly solved

consistent hashing solves: minimizes key redistribution when servers are added/removed

Ever wonder why adding or removing servers doesn't mess up your favorite streaming service?