140 likes | 341 Views
Motivation. The most widely deployed broadband solutions todayDSL(Digital Subscriber Line)CM(Cable Modem)ProblemThey are unable to provide enough bandwidth for emerging services such as IP telephony, VOD, interactive gaming, or two-way video conferencing (see Figure 1.)A new technology is requi
E N D
1. An Upstream Scheme for Ethernet Passive Optical Network(EPON)
CS Dept. 20023935
KyoungHee Lee
leekh@cosmos.kaist.ac.kr
2. Motivation The most widely deployed broadband solutions today
DSL(Digital Subscriber Line)
CM(Cable Modem)
Problem
They are unable to provide enough bandwidth for emerging services such as IP telephony, VOD, interactive gaming, or two-way video conferencing (see Figure 1.)
A new technology is required
EPON(Ethernet Passive Optical Network)
Low-cost Ethernet equipment
Low-cost fiber infrastructure
3. ?Per-user bandwidth requirementsfor new services