1
Q
Packet Switching
A
- think of it as ripping an envelope into pieces, sending the pieces down a chute, and reassembling the pieces at the other end
- more efficient
2
Q
If packet switching is so efficient, why bother with circuit switching?
A
Latency and Jitter
Mostly disruptive in a phone conversation
3
Q
Latency
A
Perceptible delays
4
Q
Jitter
A
Variability in delays
5
Q
Rate of return regulation
A
Telephone companies are allowed to charge rates that cover expenses and provide a reasonable return on their investment.
6
Q
What is the incentive with a price cap approach?
A
Incentive lies in cutting costs to increase profit margins
But that means we need quality requirements.
7
Q
Telecommunications Act of 96
A
Pro competition, de-regulatory
The rise of the internet renders it arbitrary
Main objectives
- eliminating economic barriers to entry in local telecoms markets
- eliminating regulatory barriers to entry in local telecoms markets
- universal return
- no wall between local and long distance
8
Q
Network Externality
A
Competing systems that are not connected systems appropriate value of customers through exclusion.
