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Transcript of Fiber Optic Backbones Presented to Presented by. What is Fiber Optics? In its simplest terms, fiber...
![Page 1: Fiber Optic Backbones Presented to Presented by. What is Fiber Optics? In its simplest terms, fiber optics is a medium for carrying information from one.](https://reader035.fdocuments.us/reader035/viewer/2022062320/56649d985503460f94a81eb3/html5/thumbnails/1.jpg)
Fiber Optic BackbonesFiber Optic Backbones
Presented to
Presented by
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What is Fiber Optics?
In its simplest terms, fiber optics is a medium for
carrying information from one point to another in the
form of light. Unlike the copper form of transmission,
fiber optics is not electrical in nature.
A basic fiber optic system consists of a transmitting
device, which generates the light signal; an optical fiber
cable, which carries the light; and a receiver, which
accepts the light signal transmitted. The fiber itself is
passive and does not contain any active, generative
properties
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Advantages of Fiber Optic Cable?
Today fiber optics is either the dominant medium or a logical choice for every communication system.
1. Fiber enhances the reliability of networks while simultaneously
increasing transport capacity.
Telcos (Phone & Cable) use fiber to connect all their central
offices and long distance switches because it has thousands
of times the bandwidth of copper wire and can carry signals
hundreds of times further before needing a repeater
Copper wire has limitations and is susceptible to
interference. Fiber Optics has virtually unlimited potential
and is immune to electromagnetic radiation (EMR).
Security is greatly enhanced due to immunity from EMR
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Types of Fiber Optics? Single-mode & Multi-mode
Both types of fiber are 125 microns in outside
diameter
Both types of fiber are composed of thin strands of
highly transparent glass
Both types of fiber use infrared wavelengths which are
outside the visible spectrum
Fiber Optics
Similarities
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Types of Fiber Optics? Single-mode & Multi-mode
Differences – Multimode Differences – Singlemode
Light travels in the core in
many rays, called modes
LED sources at wavelengths of
850 and 1300 nm
Bigger core (Almost always
62.5 microns)
Currently – Most common LAN
fiber - Used only for short
distances and inside buildings
Fiber shrinks the core down so small
that the light can only travel in one ray
This increases the bandwidth to almost
infinity
Laser sources at 1300 and 1550 nm
Small Core ( 9 microns)
Currently – Used for Long Distances
applications and outside plant
Multimode Singlemode
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Typical Construction Costs
Underground Construction$50,000 per mile for a 96 fiber cable
Overhead Construction$35,000 per mile for a 96 fiber cable
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Installation Types (Underground vs. Overhead)
Advantages/Disadvantages of Underground Installation
1. No Annually Recurring Pole Attachment Fees2. Initial Construction Costs higher 3. Rodents are a problem (Pulled conduit or armored cable can relieve issue)4. Earthquakes
Advantages/Disadvantages of Overhead Installation
1. Initial Construction Costs less expensive than underground construction2. Annually Recurring Pole Attachment Fees ($15-45 per pole per year)3. Ice Storms4. Tornados
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Fiber to the Curb (FTTC). Depends on copper wires or coaxial cable for last mile delivery
Fiber to the Node (FTTN). Depends on copper wires or coaxial cable for last mile delivery
Fiber Models
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Hybrid fiber coaxial networks (HFC) Depends on copper wires or coaxial cable for last mile delivery
Fiber to the Premises (FTTP). Fiber optic communications delivery in which the fiber is run directly into the premises
Fiber Models
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Active Optical Network (AON). Relies on active electronic equipment to distribute a signal.
Each signal leaving the Central Office is for that particular customers use
Active Optical Networks
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PON vs. Point to Point Switched Ethernet
80 to 85 % of all FTTH deployments in North America are PON
GPON (ITU standard) versus GE-PON (IEEE standard )
BPON or GPON, V/s GE-PON
Passive Optical Networks (PON)
(PON) is a point-to-multipoint, fiber to the premises network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises
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PONStandards:BPON • Defined in ITU G.939.3• ATM Protocol• 622 Mb/s Downstream• 155 Mb/s Upstream• 20 KM max from
CO/HE to subscriber
Standards in Passive Optical Networks (PON)
PONStandards:EPON • Defined in IEEE 802.3ah• Ethernet Protocol• 1.25 Gb/s Downstream• 1.25 Gb/s Upstream• 20 KM max from CO/HE to
subscriber
PONStandards:GPON • Defined in ITU G.984.2• ATM or Ethernet (GEM) Protocol• 2.488 Gb/s Downstream• 1.244 Gb/s Upstream• 20 KM max from CO/HE to
subscriber
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Optical signal distributed from a central office from an optical network. At the customer premises optical network terminals (ONT’s) convert the optical signal into a electrical signal
Multiplexing Fiber Optics (GPON)
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Multiplexing Fiber Optics (GPON)
Have two fibers but need more, Technology exists to multiplex fibers from one fiber up to 32 fibers with minimal db loss.
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Provide for offsite backup
Offset the costs for future bandwidth needs
Provide high speed connectivity by utilizing a combination of proposed fiber segments and wireless hops
A number of studies rank the United States from 15th to 24th in penetration and
broadband speed.
Why do Communities need a Fiber Optic Backbone?
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The status of broadband and its impact on small
business was the subject of a recent Senate
hearing. FCC Commissioner Michael Copps
testified that in many cases small businesses
can’t get connectivity and, when they can, it often
is pricey.
Small to Medium Businesses
SOURCE: WWW.REDHERRING.COM
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Bandwidth Comparison
MCI /
Verizon
Qwest Communications International
Inc
Sprint CovadSpeakeasy
IncGlobal
CrossingSavis Inc AT&T XO
ProductDSL 1.0M
OFFICE PLUSMOBILE
BROADBAND
DEDICATED T1
DEDICATED T1
DEDICATED INTERNET ACCESS
DEDICATED T1
AT&T YAHOO
HIGHSPEED ELITE PACKAGE
BUSINESS DSL
Basic Backbone Supplied
DSL DSL WiMAX T1 T1 T1 T1 DSL DSL
Down Speed Stream
1Mbps 1.5 to 7 Mbps 1 to 2 Mbps3 Mbps, 1.5Mbps, 768 Kbps
3 Mbps, 1.5Mbps, 768 Kbps
3 Mbps, 1.5Mbps, 768 Kbps
3 Mbps, 1.5Mbps, 768 Kbps
Up to 6 Mbps
1.5 Mbps
Up Speed Stream
1Mbps 869 Kbps500 to 700
Kbps3 Mbps, 1.5 Mbps
3 Mbps, 1.5 Mbps
3 Mbps, 1.5 Mbps
3 Mbps, 1.5 Mbps
768 Kbps 1.5 Mbps
Guaranteed Service
Commitment
Standard SLA
NO NOStandard
SLARobust SLA
Standard SLA
Standard SLA
NOStandard
SLA
Additional Services
Multiple network
Can add voiceIncludes
voice options
DSL, Bonded T1
DSL, Bonded T1, VoIP options
Options Scale up
from T1 to OC48 and
carrier grade
Options Scale up
from T1 to OC192
slower DSL
options, faster
solutions in
Enterprise lineup
T1 and higher options
available
CommentsRelativel
y high price
Good Value WiMAXGood Range of Options
Good Service and
Clear Options
Good Service
Robust Backbone
Good value
SOURCE: www.voip-news.com
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Affordable High Speed information access is key to economic development. The proposed project will help the Cities by:
Attracting new companies into the area
Retain existing employers
Improve the overall Quality of life of all residents
Economic Development
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The connection of the 21st century
The new economic generator
The new infrastructure
The new on / off ramp
The connection to the electronic
super worldwide highway
Why build Fiber Backbones?
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Upload speed
Download speed
4535 4050 10 15 20 3025
SPEED (MEGABITS PER SECOND)
Speed Comparison
Dial- Up
DSL
Cable
Satellite
Fiber Optics
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Key Issues:
Bandwidth! Bandwidth! Bandwidth!
As a minimum, provide a fiber optic backbone
for WI-FI back-haul.
WI-FI Implementation
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HENDRICKS REGIONAL HEALTH (HRH)
HOSPITAL
DANVILLE, INDIANA
CASE STUDY
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Connect all four campuses with a fiber optic backbone
Connect backbone to the Data Center or Point of Presence (POP) for offsite backup and Internet access
Procure system electronics
Hendricks Regional Health Project
The project was divided into three parts:
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WORLDCOM
GLOBAL CROSSING
AT&T
MCLEOD
WILLIAMS
TIME WARNER
QUEST
Henry Street Data Center - Point of Presence (POP)
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Children must be given the tools to
adequately prepare for entry into highly
competitive global market.
Connecting Public Libraries
Research
Distance Learning
Education
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Improving Public Safety (POLICE)
Monitor Parks, Traffic, Schools
Monitor Water Treatment Plants
Increase Coordination between various
departments
Hospitals
Schools
Fire / Water
Government Offices
Utilities
Security & Coordination
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Connect HRH sites with a High-Speed Backbone
( 10 Giga bits/sec)
Provide High Speed data communications for:
Medical imaging
Radiology
Telemedicine
MRI
Electronics
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Most providers will only lease bandwidth
Some providers will Build fibers at your cost,
give you a small number of fibers and keep the
rest
Hurdles in Building or Leasing dark Fibers
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Must have a Competitive Local Exchange Carrier
License (CLEC) to be in the Public Right of Way
Maximum IRU obtained will be 20 years, although
the life of a fiber optic cable is 30 years
Contract may be very restrictive
Hurdles in Building or Leasing dark Fibers
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State laws prohibit building fibers in the Public
Right of Way unless you have a CLEC license
Cannot Co-locate in central office of a telephone
company
Competitive Local Exchange Carrier License (CLEC)
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Cannot Build your own backbone; you can get a
20 year IRU under a third party CLEC License.
At the end of the IRU agreement the fiber reverts
back to the original owner and the Organization
has to then re-negotiate for use of the fiber.
Every time you want to build a new segment of
fiber, you will have to pay a CLEC licensed
company for use of their license
Disadvantages of not being a CLEC
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Do your home work. Some providers with
excess fibers will lease you dark fibers
Hire an experienced Telecommunications
Attorney
Hire an experienced consultant
Recommendations for building or leasing dark fibers
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Co-locate agreement
Bandwidth Purchase
Maintenance Agreements
Other Issues
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The HRH Business The HRH Business ModelModel
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HRH Business Model - Objectives
Expand existing bandwidth for present and
future needs
Offset costs for future bandwidth needs
Enhance information security by providing off-
site data storage
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The HRH Business Model
Purchase Bandwidth or buy/install fiber optics for the primary communication between campuses???
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The HRH Business Model
Cost of 96 fibers vs. 12 fibers
Construction costs identical
Cost/mile 96 fibers @ $.90/ft $ 4,752
Cost/mile 12 fibers @ $.41/ft $ 2,165
Cost differential for 18 miles $ 46,566
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Allay construction costs by leasing spare fiber capacity to governmental/commercial entities
Local governments can provide public safety and educational broadband access
Commercial access to broadband can spur economic development
Providing reasonable fiber optic access creates community good will.
Benefits of Business Model
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Connect all HRH Hospitals
Hendricks Regional Health (Existing Fiber Optic System)
Proposed New Fiber Optic Construction
1. HRH (Danville, IN)2. HRH (Plainfield, IN)3. HRH (Avon, IN)4. HRH (Brownsburg, IN)5. New HRH (Lizton, IN)6. Point of Presence
(Indianapolis, Indiana)
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How the HRH Model has become a County Wide Network
HRH BACKBONE
INDIVIDUAL TOWN BACKBONES USING HRH FOR TRANSPORT TO POP
FUTURE CONSTRUCTION
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How the HRH Model has become a County Wide Network
HRH BACKBONE Danville Fiber Optic Backbone
FUTURE CONSTRUCTION
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How the HRH Model has become a County Wide Network
HRH BACKBONE Plainfield Fiber Optic Backbone
FUTURE CONSTRUCTION
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Questions?