
IPTV: Internet Protocol Television ◾ 353
Up to ~1500 Bytes
Data and Pad
Frame
Idle Until the
Next Cell Arrives
8
4
Ethernet Packet of Data
6 26
Check
Destination
Address
Type Length
Preamble
& SFD
Figure 19.9 Ethernet packet structure.
Ihyeh
Anya
Yannick
Denise
Anike
Johnson
Jerry
Eneyi
Jesse
Opportunistic Data Moves During Idle TimesOpportunistic Data
When Data is Available it Receives the
First Available Chance to be Sent
Nothing to Send
Alice
Figure 19.10 Ethernet on fiber.