Email Alerts
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Optical-electrical network convergence primer
Optical-electrical network convergence will collapse network layers, lower capex and opex, and cut management complexity for next-generation IP services. Our primer has the basics. Tutorial
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Optical transport network (OTN) primer
This optical transport network (OTN) primer tells you about the ITU standards designed to build more network functionality into optical networks and how traditional carriers and content providers are using this architecture. Primer
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ACG Research on Huawei vs. network equipment vendors
Part two of our Q&A with ACG Research focuses in on how Huawei competes with network equipment vendors and its aspirations to enter the enterprise networking market one piece of equipment at a time. Q&A
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ACG Research on Huawei, Chinese business culture and the Art of War
ACG Research researched Huawei and Chinese business culture for months to shed light on the vendor’s go-to-market strategy and why global telecom carriers and network equipment vendors need to understand the Art of War. Q&A
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2010 telecom fan favorites – the gifts that keep on giving
It’s time again for the top-ranked SearchTelecom.com telecom content of the year, and you voted with your clicks for the best of IPv6, Optical Network Transport, 4G LTE, MPLS and OSS/BSS. Feel free to re-gift to your very best friends. Feature
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A short history of 100G DWDM optical network transport development
As long-haul dense wave division multiplexing (DWDM) growth is accelerating, interest in 100G DWDM optical network transport continues to surge, even as operators deploy 40G DWDM systems to increase optical channel rates. To discover the reason for t... Expert Lesson
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100G DWDM optical networking transport: The telecom industry prepares
The telecom industry wants to move quickly to develop 100G DWDM optical network transport. In part 1 of this expert lesson, optical networking expert Eve Griliches looks at the forces driving first-generation adoption. After learning from 40G mistake... Expert Lesson
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Enabling technologies for 100G DWDM network transmission
As 100G DWDM optical network transport takes hold to speed optical channel rates to accommodate traffic growth, DWDM technology vendors, telecom service providers and standards groups have to make hard choices in terms of modulation formats. Find out... Expert Lesson
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The physics of fiber in optical networks
'Optical Fibers,' Chapter 5, from "The Cable and Telecommunications Handbook, Volume 2, Third Edition" focuses attention on the history and evolution of optical fiber, as well as special fibers that are currently in use in optical networks. Additiona... Chapter Download
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Best practices for optical network design
Fiber-optic technology -- not long ago used only in long-haul networks -- has become the transmission medium of choice not only in the core, but in metro and access networks. The game-changer is global growth in consumer broadband and the need to dis... Telecom Insights
- See more Essential Knowledge on Optical Networks
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Looking toward 2011: Verizon IP backbone ready for 100 Gbps, IPv6 and cloud services
SearchTelecom.com asked four operators to talk about their network objectives for 2011. First up, we find out whether the Verizon IP backbone is ready for 100G, IPv6 and the cloud. News | 15 Dec 2010
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Video, telecom network management still challenge fixed line operators
Qwest CTO Pieter Poll sheds light on the telecom network management challenges that rapid broadband traffic growth and streaming video present for fixed line operators. News | 02 Dec 2010
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100 GbE field trials signal carriers' progress toward NGN architecture
Pressured to support rising waves of IP traffic, carriers are testing 100 Gigabit Ethernet (GbE), optical transport and IP traffic as they build out their NGN architecture. Article | 30 Jun 2010
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Passive probe improves optical network monitoring, TDM to IP glitches
Wholesale VoIP services proved to be a boon for one operator, but troubleshooting TDM to IP glitches threatened success. Replacing manual diagnostics with a passive test probe paid off with improved optical network monitoring and faster resolution ti... Article | 22 Apr 2010
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NXTcomm 2008 is about telecom advances, not breakthroughs
NXTcomm 2008 saw a lot of incremental telecom advances, as ideas years in the making start to penetrate market, explains analyst Ron Westfall in this video. Article | 19 Jun 2008
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Telecom product and service news from NXTcomm08
Telecom service providers and equipment vendors made a wide variety of announcements at its annual NXTcomm08 trade show, with no particular technology dominating the news and enhancements to existing technologies winning over new ones. Article | 18 Jun 2008
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Post-bust, backhaul providers are probably insulated from possible recession
Burnt once by a telecom meltdown, backhaul providers are better prepared to weather a possible recession while keeping prices in check. Article | 17 Apr 2008
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Fiber optic network security a necessity
Fiber optic networks require security measures to ward off fiber taps and intrusions. Article | 10 Jul 2007
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Juniper and packet optical transport: The market's warm, come on in
Router vendors are in a good position to enter the packet optical transport market and some of the big ones have made their moves; now ACG Research wonders what Juniper plans to do and who it might acquire. Tip
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Traffic grooming in optical networks: Making real-world choices
Solutions for traffic grooming in optical networks haven't kept pace with all-optical network development and still work in the electrical domain. Telecom providers have to make hard, real-world choices about how to best transport their services traf... Tip
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Weighing the value of optical/electrical network convergence
Telecom carriers must weigh several factors to assess the value of combining optical and electrical network layers -- opto-electrical network convergence -- as packet networking increases in order to ensure lower operations costs, necessary managemen... Tip
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IP over dense wave division multiplexing (DWDM): Metro and core issues
Providers pressured to increase network throughput while reducing costs can look to IP over DWDM in some metro network situations, such as saving money on residential Internet backhaul. IP expert Ivan Pepelnjak also walks you through the complexities... Tip
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Alcatel-Lucent floats converged backbone concept to increase network value
Alcatel-Lucent is socializing solutions to increase applications enablement in telecom carriers' service delivery networks by creating converged backbones that use both IP and optical assets to create a high leverage network with lower network infras... Tip
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Three optical and IP network architectures enable converged backbone
Merging IP and optical networks to create a "converged backbone" can be done using three network architecture models that start with IP-over-WDM and move on to port-level grooming and finally subport-level grooming, all of which are addressed byu Alc... Tip
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Nortel Metro Ethernet Networks assets: Why no sale?
Nortel's Metro Ethernet Network assets, which include Carrier Ethernet and optical units, have been for sale for a year with no final bids. IDC analyst Eve Griliches looks at why a competing equipment vendor hasn't closed the deal. Tip
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The best of SearchTelecom.com 2008
The results are in on the top 5 runaway hit topics for SearchTelecom.com loyalists in 2008 -- topics like BGP and MPLS, flexible service provisioning, optics and wireless broadband top the list. Tip
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Best practices for optical network design
Telecom Insights guide, "Best practices for optical network design," with specific sections on optical design for different parts of the networks. Tip
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The year's 5 hottest telecom topics and editor's picks
The past year in telecom was a lot more than ominous recession forecasts and survival tips. From BGP and MPLS to flexible service provisioning, optics and wireless broadband, telecom pros were intensely focused on next-generation networking this year... Tip
- See more Tips on Optical Networks
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Why should optical networks become more agile and flexible?
ACG Research managing partner Eve Griliches details the benefits and costs for service providers considering deploying more agile and flexible optical networks. Answer
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Optical transport network (OTN): How big a step is it, really?
ACG Research managing partner Eve Griliches discusses whether optical transport network (OTN) technology represents a small step or a sea change for service providers. Answer
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How do content provider networks and service provider networks differ?
Optical networking expert and ACG Research managing partner Eve Griliches breaks down the differences between content provider networks and service provider networks. Answer
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Equipment, outside plant costs for FTTx deployment in greenfield areas
Fiber expert David Hashman breaks down the primary cost factors and typical equipment and outside plant expenses associated with deploying fiber to the x (FTTx) in a greenfield area. Answer
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Deciding between passive optical networks and active optical networks
Fiber expert David Hashman details the key design and other elements to consider when deciding whether to deploy a passive optical network (PON) or an active optical network (AON). Answer
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Making sure your FTTH GPON installation is ready for turn-up
Fiber expert David Hashman details what you must know when accepting the fiber installation for gigabit passive optical networks, from testing requirements to reference values. Ask the Expert
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What are the advantages of DWDM over a virtual switching supervisor?
IP expert Ivan Pepelnjak explains how comparing dense wavelength division multiplexing (DWDM) to virtual switching supervisors (VSS) would be like "comparing a car to a highway." Ask the Expert
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What are the specified launched power and receive sensitivity of GPON and PtP networks?
Fiber expert David Hashman details launched power and receive sensitivity specifications for gigabit packet optical networks and active Ethernet point-to-point networks. Ask the Expert
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When designing a FTTH GPON project, is it possible to use many cables in the same conduit, or must I
Fiber expert David Hashman lays out the options available for fiber to the home gigabit passive optical network project designers when it comes to placing cables in conduits. Ask the Expert
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What is the status of 100G transmission speed in optical transport networks?
ACG Research managing partner Eve Griliches offers an update on the development of 100 gigabit per second (100G) transmission speed in optical transport networks (OTN). Ask the Expert
- See more Expert Advice on Optical Networks
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fiber to the x (FTTx)
Fiber to the x (FTTx) is a collective term for various optical fiber delivery topologies that are categorized according to where the fiber terminates Definition
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passive optical network (PON)
A passive optical network (PON) is a system that brings optical fiber cabling and signals all or most of the way to the end user. Definition
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dense wavelength division multiplexing (DWDM)
Dense wavelength division multiplexing (DWDM) is a technology that puts data from different sources together on an optical fiber, with each signal carried at the same time on its own separate light wavelength. Definition
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optical fiber (fiber optic)
Definition
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ROADM (reconfigurable optical add-drop multiplexer)
An ROADM (reconfigurable optical add-drop multiplexer) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network. ... (Continued) Definition
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Why should optical networks become more agile and flexible?
ACG Research managing partner Eve Griliches details the benefits and costs for service providers considering deploying more agile and flexible optical networks. Answer
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Optical transport network (OTN): How big a step is it, really?
ACG Research managing partner Eve Griliches discusses whether optical transport network (OTN) technology represents a small step or a sea change for service providers. Answer
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How do content provider networks and service provider networks differ?
Optical networking expert and ACG Research managing partner Eve Griliches breaks down the differences between content provider networks and service provider networks. Answer
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Optical-electrical network convergence primer
Optical-electrical network convergence will collapse network layers, lower capex and opex, and cut management complexity for next-generation IP services. Our primer has the basics. Tutorial
-
Optical transport network (OTN) primer
This optical transport network (OTN) primer tells you about the ITU standards designed to build more network functionality into optical networks and how traditional carriers and content providers are using this architecture. Primer
-
ACG Research on Huawei vs. network equipment vendors
Part two of our Q&A with ACG Research focuses in on how Huawei competes with network equipment vendors and its aspirations to enter the enterprise networking market one piece of equipment at a time. Q&A
-
ACG Research on Huawei, Chinese business culture and the Art of War
ACG Research researched Huawei and Chinese business culture for months to shed light on the vendor’s go-to-market strategy and why global telecom carriers and network equipment vendors need to understand the Art of War. Q&A
-
Looking toward 2011: Verizon IP backbone ready for 100 Gbps, IPv6 and cloud services
SearchTelecom.com asked four operators to talk about their network objectives for 2011. First up, we find out whether the Verizon IP backbone is ready for 100G, IPv6 and the cloud. News
-
2010 telecom fan favorites – the gifts that keep on giving
It’s time again for the top-ranked SearchTelecom.com telecom content of the year, and you voted with your clicks for the best of IPv6, Optical Network Transport, 4G LTE, MPLS and OSS/BSS. Feel free to re-gift to your very best friends. Feature
-
Equipment, outside plant costs for FTTx deployment in greenfield areas
Fiber expert David Hashman breaks down the primary cost factors and typical equipment and outside plant expenses associated with deploying fiber to the x (FTTx) in a greenfield area. Answer
- See more All on Optical Networks
About Optical Networks
The optical network and its components are at the heart of carrier-class networks. Optical network design, optical network control and management, and selection and operation of such specific equipment as optical network switches and ROADMs is critical. Here you'll find help with those topics, plus DWDM, Sonet, passive optical networks, and more.