Employees at your company are watching YouTube videos constantly while using their office computers. The YouTube Web site sends compressed video through the Internet and company network to employees' computers, and the video stream consists of the following:
• 480 x 360 pixel frames
• 24-bit color (each pixel is represented by 24 bits)
• 30 frames per second
• 10:1 compression ratio
Employees' computers have a 100 Mbps Ethernet interface and a 400 MHz 32-bit PCI bus. The company has a 100 Mbps internal network and two T1 connections (1.54 Mbps each) to the Internet.
• Question 1: How much of the company's network capacity are employees consuming when watching YouTube videos?
• Question 2: What percentage of available bus cycles on employees' computers are consumed when watching the videos?
• Question 3: Does your answer to Question 1 or Question 2 support forbidding employees to watch YouTube videos? What if there are 500 employees on the com¬pany network? What if the company Internet connection is a T3 line (45 Mbps)?