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What priority order would a commercial design have?
1.
2.
3.
4.
5.
6.
7.
Be cost effective
Allow resource accountability
Allow host attachment with a low level of effort
Must accommodate a variety of networks
Survivability
Support multiple types of services
Allow distributed management
What would a commercially invented Internet look like?
It would be maintained by many competing companies. There would be big
companies providing Internet service and there would be a few of them.
What goals are missing from this list?
• Content filtering
• Regional management
• Reliability
Which goals led to success of the Internet?
•
•
•
Allow a host with a low level of effort
Be cost effective
Must accommodate a variety of networks
How well has today’s Internet satisfied these goals?
1. Be cost effective
Internet is today is very cost
effective and costs are going down day by day.
2. Allow resource accountability
is poorly satisfied. It's counted by
a variety of software and in a non-standard way. Sometimes its not accountable
3. Allow host attachment with a low level of effort Well Satisfied. Today a
computer can connect to Internet with rather no effort.
4. Must accommodate a variety of networks
It's well satisfied. Even cellphone
networks can connect to Internet.
5. Survivability
It's survivable in many areas but
in some areas (like Iran) it's not.
6. Support multiple types of services
It does support, but many
services has been obsoloted due to low usage and low performance, and has not
evolved; like Multicasting.
7. Allow distributed management
Although Internet is managed
mostly distributed, some services are awfully centralized and it's making big
issues. One of them is Name Services.