Parts of it are unnecessary

If a path is down, packets can be routed a different way

It has a delay between the request and the response to the request

If there is an error, a backup system is brought online to be used

The delay in time from when a request is sent and received

The individual sections of the IP address

Information to be sent over the Internet broken into same size groupings

The intermediate locations that send information to their destination

An alorithm

Decomposition

Simulation

Abstraction

They have a hierarchical relationship

Programs implement algorithms

Algorithms implement programs

They can both be run on a computer

Collaboration allows the work to be divided among independent programmers to create.

Collaboration makes it easier to document another person's code

Collaboration makes it eastier to find errors

Collaboration produces an increase in user requirements that can be met with more team members.