International Engineering Consortium
Web ProForums
Home / On-Line Education / Web ProForums
Point-to-Point or Mesh Topologies in the Metro Optical Network

Table of Contents:
Definition and Overview
1. Introduction
2. DWDM Mesh Designs Enabled by Optical Cross-Connects (OXCs)
3. Adopting DWDM Point-to-Point Solutions
4. Advantages of DWDM Point-to-Point Systems
5. Conclusion
Self-Test
Glossary
Download PDFPDF of this tutorial
Self-Test
1. Data has already surpassed the voice network.
a. true
b. false
2. Which of the following enables point-to-point WDM technology to evolve into a next-generation transport platform?
a. IP
b. ATM
c. SONET
d. OXC
3. Which of the following may be easily deployed in advance of the OXC?
a. ATM
b. SONET
c. DWDM
d. IP
4. Which of the following does not describe the point-to-point strategy?
a. pay-as-you-grow capability
b. much upfront planning
c. digitized signal transparency
d. provisioning flexibility
5. Existing DWDM network management systems already have the ability to provision point-to-point circuits, one channel at a time.
a. true
b. false
6. Data backbones have always been ring designs.
a. true
b. false
7. A point-to-point system with an OXC offers the same functionality as a discrete ADM.
a. true
b. false
8. Which of the following is not true of point-to-point systems that contain O-E-O conversion on each end?
a. Power is regenerated into balance channels on each hop.
b. The need for custom attenuation and amplifiers is eliminated.
c. The need for level balance planning is increased.
d. A costly single-point failure is eliminated from the system.
9. Regeneration is an electrical feature that is extremely cost-effective and requires no additional space.
a. true
b. false
10. Which of the following is not true of a point-to-point system?
a. Lower launch power can be used.
b. Distances are longer between nodes.
c. High-power, long-haul systems are not necessary.
d. Costs are lower.
Glossary >>

Copyright © 2007 International Engineering Consortium
Terms of Use | Privacy Statement | Site Map
Registered Users
Enjoy exclusive access to free On-Line Education and receive the biweekly IEC newsletter.
IEC Newsletter
Get the latest industry information including critical insights from key industry leaders, technology briefings, and an Analyst Corner.
Current
Subscribe
Newsroom
IEC News
June 04, 2008
Top Broadband Innovations in Asia-Pacific Recognized with IEC Announcement of 2008 InfoVision Finalists
April 30, 2008
IEC and Convergence World Magazine Announce Top NGN Innovators at SOFNET 08 in London
April 22, 2008
Excellence, Innovation and Leadership Recognized as IEC and Convergence World Announce 2008 Awards Finalists
IEC on Radio
IEC on radio Tele-Semana, commentary on NXTComm 2007 and future IEC programming.
IEC on TV
CCTV Highlights Broadband World Forum Asia 2007
BBWF Asia Comes to China

View all Press Releases
On-line Press Kit
IEC Corporate Member
Advertising Kit
Overview
IEC.org Web Banner Ads
Event Web Banner Ads
E-Newsletters
Exhibit Preview
TecPreview