Optical Fiber: Bringing Bandwidth to the Classroom, Cost ... · PDF fileFiber Optics LAN Section Optical Fiber: Bringing Bandwidth to the Classroom, Cost Effectively ASCUE - June 11,

FiberOpticsLANSection

Optical Fiber: Bringing Optical Fiber: Bringing Bandwidth to the Bandwidth to the Classroom, Cost EffectivelyClassroom, Cost Effectively

ASCUE ASCUE -- June 11, 2003June 11, 2003Mike Lynch Mike Lynch –– FOLS Vice Chair, FOLS Vice Chair,

3M Company 3M Company --Telecommunications DivisionTelecommunications Division


Outline Outline –– AgendaAgenda

!! Background Background –– FOLS FOLS –– Cost model, Network design Cost model, Network design Standards updatesStandards updates

!! The New Fiber The New Fiber -- CharacteristicsCharacteristics!! Basic Network Designs Basic Network Designs

!! Applying designs to EducationApplying designs to Education!! Examples of net designs Examples of net designs -- Dorms, Admin, EngineeringDorms, Admin, Engineering

!! Design impact on Network costsDesign impact on Network costs!! FOLS Cost modelFOLS Cost model

!! Review of AssumptionsReview of Assumptions!! Review model formatReview model format!! Interactive cost modelingInteractive cost modeling


Fiber Optics LAN SectionFiber Optics LAN Section!! Formed in 1993, Part of TIA’s Fiber Optics DivisionFormed in 1993, Part of TIA’s Fiber Optics Division!! Mission: To create a resource where people can learn Mission: To create a resource where people can learn

about the technical advantages and affordability that about the technical advantages and affordability that optical transmission brings to customeroptical transmission brings to customer--owned owned networks.networks.

!! Members: 3M/Volition, AMP/Tyco Electronics, Members: 3M/Volition, AMP/Tyco Electronics, Corning, Corning Cable Systems,Corning, Corning Cable Systems, LevitonLeviton Voice & Voice & Data, Micro Linear Corporation, OFS,Data, Micro Linear Corporation, OFS, OptekOptekTechnology, Panduit,Technology, Panduit, OrtronicsOrtronics, Sumitomo Electric, Sumitomo ElectricLightwaveLightwave and Transition Networks, Fluke Networks, and Transition Networks, Fluke Networks, and others.and others.

!! www.www.folsfols.org.org


Background & HistoryBackground & History

!! Aug 2000 Aug 2000 –– Tolly Tolly Group white paper “Migrating to Group white paper “Migrating to Fiber Fiber –– The Case for Centralized Cabling”The Case for Centralized Cabling”

!! 2001 2001 –– First version of FOLS cost model First version of FOLS cost model !! Focused on SFF connectors, and media convertersFocused on SFF connectors, and media converters!! Implemented conclusions of Implemented conclusions of Tolly Tolly study with “real world” study with “real world”

scenarios.scenarios.

!! April/May 2003 April/May 2003 –– Version 2 of cost model developedVersion 2 of cost model developed!! Updated new lower cost fiber and copper switches and other Updated new lower cost fiber and copper switches and other

productsproducts!! Doubled the number of scenarios Doubled the number of scenarios

!! Added very low cost and Zone configurationsAdded very low cost and Zone configurations


Ground Breaking ResearchGround Breaking Research

!! Provides a third party total cost analysis of Provides a third party total cost analysis of Copper and Fiber LANsCopper and Fiber LANs!! For the first time, includes costs of all copper For the first time, includes costs of all copper

switches, NICs, and active product componentsswitches, NICs, and active product components!! Utilizes fiber LAN architecture (“Centralized vs. Utilizes fiber LAN architecture (“Centralized vs.

Distributed”)Distributed”)!! Includes costs of telecommunications closetsIncludes costs of telecommunications closets


The Main ThemeThe Main Theme

http://www.http://www.tollytolly.com/results/.com/results/whitepaperswhitepapers..htm htm Doc. 200505Doc. 200505

http://http://mmmmmm.com/market/telecom/enterprise/volition/literature..com/market/telecom/enterprise/volition/literature.jhtmljhtml##WhitePapersWhitePapers

!! Disparity in costs is largely attributable to the Disparity in costs is largely attributable to the erroneous presumption that fibererroneous presumption that fiber--optic optic networks should be designed exactly like networks should be designed exactly like copper infrastructures.copper infrastructures.

!! Designing fiberDesigning fiber--optic networks based upon optic networks based upon the design characteristics of fiber often can the design characteristics of fiber often can save thousands of dollars compared to save thousands of dollars compared to copper.copper.


Migrating to Fiber Migrating to Fiber The Case for Centralized LAN Cabling The Case for Centralized LAN Cabling

!! “To the list of fiber’s well“To the list of fiber’s well--known benefits of known benefits of exceptionally high bandwidth and immunity exceptionally high bandwidth and immunity to EMI, we can now add the benefit of to EMI, we can now add the benefit of significant cost reductions.”significant cost reductions.”

!! Lower costs are partly attributable to Lower costs are partly attributable to simplified connector design and highsimplified connector design and high--density, density, smallsmall--formform--factor connectors. factor connectors.


Distributed vs. CentralizedDistributed vs. Centralized

!! DistributedDistributed!! accommodates the 100accommodates the 100--meter limit of UTP copper meter limit of UTP copper

cable. cable. !! necessitates media conversion in the necessitates media conversion in the

telecommunications room. telecommunications room. !! Typically, consists of highTypically, consists of high--speed uplinks speed uplinks

!! CentralizedCentralized!! not bound by copper’s 100not bound by copper’s 100--meter limitation, nor do meter limitation, nor do

they require media conversion from one physical they require media conversion from one physical medium to the other. medium to the other.

!! The comparison uses standardsThe comparison uses standards--based design based design


TIA Fiber Optics LAN Section StudyTIA Fiber Optics LAN Section StudyHow Do Costs Compare Today?How Do Costs Compare Today?

A comparison of installed first costs shows that fiberA comparison of installed first costs shows that fiberoffers a costoffers a cost--effective solution for horizontal cablingeffective solution for horizontal cablingapplications in a variety of scenarios. In fact, fiberapplications in a variety of scenarios. In fact, fiberoffers considerable initial savings, considering installed offers considerable initial savings, considering installed first costs alonefirst costs alone..

Enabling technologies…Enabling technologies…!! New cabling architectures optimized for fiberNew cabling architectures optimized for fiber!! Short wavelength fiber LAN electronicsShort wavelength fiber LAN electronics!! SmallSmall--formform--factor (SFF) fiber connectorsfactor (SFF) fiber connectors


Zone, Tiny TR, Telecom Zone, Tiny TR, Telecom Enclosure Update Enclosure Update

• TR42.3 has drafted Telecom Enclosure (official name)• Currently out for ballot – will go for “default” ballot in July•Will eventually be an addendum to TIA 569B

•TR42.1 has drafted a TE cabling implementation document• Will be out for ballot in July• Will become an addendum for TIA 568 B.1

• Both expected to be complete in October


Fiber Misconceptions Fiber Misconceptions “Not Your Father’s Fiber”“Not Your Father’s Fiber”

!! Perception: Copper cable Perception: Copper cable is smaller than fiber cableis smaller than fiber cable

!! Fact: Fiber is 15% smallerFact: Fiber is 15% smaller

Size!! Perception: Copper weighs Perception: Copper weighs

less than fiberless than fiber!! Fact: Fiber components are Fact: Fiber components are

heavier, but fiber cable is heavier, but fiber cable is lighterlighter

WeightWeight

!! Perception: Copper is Perception: Copper is more firemore fire--resistantresistant

!! Fact: Fiber is PlenumFact: Fiber is Plenum--rated, compatible with rated, compatible with infrastructureinfrastructure

RatingRating!! Perception: Fiber is Perception: Fiber is

fragilefragile!! Fact: Fiber is 4+ times Fact: Fiber is 4+ times

stronger than copperstronger than copper

StrengthStrength


Fiber’s New CharacteristicsFiber’s New Characteristics






A MultiA Multi--design Networkdesign Network

Cabling System ArchitecturesCabling System ArchitecturesHierarchical Star, Optimized for UTP Copper (100 Meter Limit)Hierarchical Star, Optimized for UTP Copper (100 Meter Limit)

HORIZONTALCROSS CONNECT

TELECOMMUNICATIONSROOM

HORIZONTAL

WORK AREAPATCHCORD

EQUIPMENT ROOMACTIVEEQUIPMENT

PATCHCORDS PATCH

CORDS

MAINCROSS CONNECT

RISERS

HIGH

COUNT

LOW

COUNT

RISERS

PATCHCORDS

ACTIVE EQUIPMENT

PCOUTLET

Electronics

Electronics

Electronics

55

Cabling System ArchitecturesCabling System ArchitecturesCentralized Fiber, Designed for Fiber (300 Meters)Centralized Fiber, Designed for Fiber (300 Meters)


HORIZONTAL

WORK AREA

IO

PATCHCORD

HOME RUNS

HOME RUNS

EQUIPMENT ROOM

HIGH

COUNT

RISERS

ACTIVEEQUIPMENTSINGLE POINT

CROSS CONNECTPATCHCORDS PATCH

CORDS

PCOUTLETSPLICE OR

INTERCONNECT

Electronics

Electronics

No electronics

Standardized in TIA/EIAStandardized in TIA/EIA--568568--B.1 & ISOB.1 & ISO--11801, 211801, 2ndnd Ed.Ed.66

Cabling System ArchitecturesCabling System ArchitecturesZone Designs Zone Designs –– Expanding Backbone bandwidth while integrating Expanding Backbone bandwidth while integrating traditional copper components traditional copper components


HORIZONTAL

WORK AREA

IO

PATCHCORD

HOME RUNS

HOME RUNS

EQUIPMENT ROOM

Low

COUNT

RISERS

ACTIVEEQUIPMENTSINGLE POINT

CROSS CONNECTPATCHCORDS PATCH

CORDS

PCOUTLETSPLICE OR

INTERCONNECT

Electronics

Electronics

No electronics

Will be Standardized in TIA/EIAWill be Standardized in TIA/EIA--568568--B.1 and TIA/EIAB.1 and TIA/EIA--569569--BB 66

HORIZONTAL

Extended Backbone

Extended Backbone

Electronics


Traditional DesignTraditional DesignHC

in the TR

Cubicles Offices

= Telecommunications Outlet/Connector

= Building Pathways and Spaces

= Horizontal Cross-Connect

= Telecommunications Room

LEGEND:

TR

= Fiber Backbone Cable= Horizontal Cable

Optical Fiber Backbone

HC


Zoned Cabling with a Telecomm Zoned Cabling with a Telecomm EnclosureEnclosure

HC in the TR

Cubicles Offices

Optical Fiber Backbone

= Telecommunications Outlet/Connector

= Telecomm Enclosure with a switch

= Building Pathways and Spaces

= Horizontal Cross-Connect

= Telecommunications Room

LEGEND:

TR

= Fiber Backbone Cable= Horizontal Cable

HC


A Distributed NetworkA Distributed NetworkCopper and FiberCopper and Fiber

In a conventional distributed structured cabling design, backbone cable is optical fiber, where thehorizontal segment of the network typically consists of twisted-pair copper cable or optical fiber cable (depending on distance). Backbone cables in an inter-building network travel from a main cross-connect (distributor) to one or more horizontal cross-connects within the telecommunication rooms on each floor, which includes active electronics equipment such as hubs, concentrators or switches.


Optical fiber’s bandwidth and ability to carry data over long distances is best utilized in centralized networks. Centralized networks have more unblocked bandwidth than distributed networks and therefore better suited for combined voice, video and data traffic requiring quality of service implementation. Optical fiber eliminates intermediate closets, thus simplifying network layout and reducing overall system cost. A centralized network is the most efficient and cost-effective way to implement a fiber-centric LAN.

A Centralized NetworkA Centralized Network

Fiber LANs


Zone Cabling ArchitectureZone Cabling Architecture

Moves, adds or changes in an open-office environment can be accommodated quickly and efficiently through consolidation points by combining permanent feeder cabling with pre-terminated plug-and-play extender cables associated with the work area. Providing connectivity closer to end-users not only adds flexibility, but also reduces network downtime and re-cabling ends, which can result in significant cost savings.

Consolidation Points –Active and Passive


Zone Zone ––Transition points Transition points vs. consolidation vs. consolidation pointspoints


A MultiA Multi--design Campus Networkdesign Campus Network


Centralized Centralized DesignsDesigns


Zone Zone Distribution Distribution

Engineering Engineering or Otheror Other



Central or corner located closet?Central or corner located closet?

TC

TC

Central solutionaverage length 30 m

Corner solutionaverage length 45 m

Floor areas are both 32 x 31 m

Which one uses the most cable?


How many closets required in this area?How many closets required in this area?

TC

“90 metre rule” solution200# WA into TC

average length 55 m

“TIA-569A” solution 100# WA per TC

average length 30 m

TC TC

62 m

2,000 sq mor

200 WA’s32 m


4# Telecomms Outlets per 10 sq m4# Telecomms Outlets per 10 sq m

3,200 x 55 = 176,000 m 3,200 x 30 = 96,000 m

Floors 62 x 32 mTotal WA = 800

Total TO = 3,200

“90 metre rule” option4# TCs Av 55 m

“569A” option8# TCs Av 30 m

78,400 metresmore cable used on

“90m rule option”


A note on HVAC in Telecomms A note on HVAC in Telecomms Closets?Closets?

!! is enhanced HVAC required in a 100# WA TR ?is enhanced HVAC required in a 100# WA TR ?

!! is enhanced HVAC required in a 200# WA TR ?is enhanced HVAC required in a 200# WA TR ?

!! how much does a HVAC wall unit cost ?how much does a HVAC wall unit cost ?

!! using mini closets with max 100 WA’s can remove using mini closets with max 100 WA’s can remove the need for enhanced HVACthe need for enhanced HVAC


!! Taking advantage of optical fiberTaking advantage of optical fiber!! Performance across 2000 meters (10 and Performance across 2000 meters (10 and

100Mb).100Mb).!! Continuous run from outlet to hubsiteContinuous run from outlet to hubsite

!! Scalable bandwidth without replacing cable.Scalable bandwidth without replacing cable.!! Evolution to integrated voice, video, and dataEvolution to integrated voice, video, and data!! Change from Ethernet to ATM with move of a Change from Ethernet to ATM with move of a

patch cord.patch cord.!! Reliable with simplified testing and maintenance.Reliable with simplified testing and maintenance.

!! No EMI No EMI -- clean signal transmission with clean signal transmission with reduced errors.reduced errors.

The GWU Network Strategic The GWU Network Strategic PlanPlan


!! Eleven (now 19) major hubsites located Eleven (now 19) major hubsites located throughout campus supporting more than throughout campus supporting more than 100 buildings.100 buildings.!! Copper plan required more than 180 Copper plan required more than 180

closets.closets.!! Equipment located only in hubsites.Equipment located only in hubsites.!! Ease of deployment, HVAC, security.Ease of deployment, HVAC, security.!! Far fewer maintenance people, each Far fewer maintenance people, each

much more knowledgeable.much more knowledgeable.!! LAN management costs containedLAN management costs contained

The GWU Network The GWU Network ArchitectureArchitecture

One hubsite serves both residence halls


!! Continuous run Continuous run -- outlet to 18 hubsitesoutlet to 18 hubsites

The GWU Network Strategic The GWU Network Strategic PlanPlan

Building A Building B

Hubsite


The GWU Campus HubsitesThe GWU Campus Hubsites


Cost Model BackgroundCost Model BackgroundTIA FOLS FiberTIA FOLS Fiber--Copper Cost ModelsCopper Cost Models

!! Hierarchical star UTP vs. centralized fiberHierarchical star UTP vs. centralized fiber!! Building “model”Building “model”

!! 8 story, 48 ports/floor8 story, 48 ports/floor!! Costs calculated on “per port” basisCosts calculated on “per port” basis!! Port utilizationPort utilization

!! Copper: 70%Copper: 70%!! Fiber: 90%Fiber: 90%

!! Fiber used in riser subsystem (both models)Fiber used in riser subsystem (both models)!! Horizontal subsystemHorizontal subsystem

!! UTP: Cat 5e or Cat6 UTP (depending on model)UTP: Cat 5e or Cat6 UTP (depending on model)!! Fiber: 62.5 or 50 Fiber: 62.5 or 50 µµm multimode fiberm multimode fiber

!! Telecommunications roomTelecommunications room!! Copper TR: $20,000Copper TR: $20,000!! Fiber TR: $4,500Fiber TR: $4,500


TR CostsTR Costs

$4,500$4,500$20,000$20,000Total costTotal cost

3’x5’3’x5’6’x10’6’x10’Closet sizeCloset size

4,5004,5009,0009,000Closet costCloset cost

10,00010,000Temp. ControlTemp. Control

1,0001,000UPSUPS

All FiberAll FiberUTP/FiberUTP/Fiber


Cost Model AssumptionsCost Model Assumptions

• Thirteen page document details all parts of the model• Currently being changed to reflect new model. • Expect the new model (and assumptions) to be available next month


Cost Model Assumptions Cost Model Assumptions (cont.)(cont.)


Cost Model SampleCost Model Sample

pe r node pe r node m a n-hrs ALL FIBER NETWORK pe r node pe r node or cos t,$64.00 fibe r NIC 100.00

9.00 fibe r jum pe r to wa ll pla te 15.002.29 wa ll pla te 3.005.00 9.60 0.16 ja ck or ba rre ls +plugs 3.00 10.00 0.17

18.00 horizonta l fibe r ca ble 45.735.00 0.20 0.165.00 9.60 0.16 2 m e cha nica l s plice s 16.00 10.00 0.175.59 5.00 0.08 wa ll m ounte d e nclos ure 3.00 15.00 0.25

176.938.08 0.002.08 30.00 0.50

s ub total 185.73 35.00300.98 54.40 A c os t/port 185.73 35.00

21.95 0.006.67 9.60 0.160.008.00 10.00 0.17

21.00 ve rtica l ris e r fibe r ca ble 30.0057.62 19.60 s ub total 30.00 0.00

1.20 0.41 B c os t/port 30.00 0.00


Summary of ResultsSummary of ResultsWhere fiber makes senseWhere fiber makes sense

-- 8.38.3-- 16.2716.27806.47806.47822.74822.74Media Conversion A

00+ 2.00+ 2.00806.47806.47804.57804.57Media Conversion BMedia Conversion B

-- 8.48.4-- 63.4463.44690.38690.38753.82753.82Media Conversion CMedia Conversion C

-- 10.3810.38-- 85.3885.38737.19737.19822.58822.58100BASE SX100BASE SX

0000822.99822.99822.74822.74Tier One Electronics IITier One Electronics II

+ 21.58%+ 21.58%+ 207.17+ 207.17960.99960.99753.82753.82Tier One Electronics Tier One Electronics StreetStreet

-- 3.1 3.1 -- 25.5525.55797.19797.19822.74822.74SGSG--Compatible StreetCompatible Street

+ 12.25+ 12.25+ 100.79+ 100.79923.53923.53822.74822.74SGSG--Compatible ListCompatible List

%%$$FiberFiberUTP/UTP/FiberFiber

ScenarioScenario


SummarySummaryIs It CostIs It Cost--Effective Today?Effective Today?

!! Evaluate network needs & growth requirements Evaluate network needs & growth requirements when selecting mediawhen selecting media

!! Alternative architectures offers real savings todayAlternative architectures offers real savings today!! Single point of administrationSingle point of administration!! Reduced port costs & lifeReduced port costs & life--cycle savingscycle savings!! Accepted in the standards worldAccepted in the standards world--widewide

!! Fiber LAN electronics costs decreasingFiber LAN electronics costs decreasing!! 850 nm short wavelength generally less expensive850 nm short wavelength generally less expensive!! 100BASE100BASE--SX offers lower costs, smooth migrationSX offers lower costs, smooth migration

!! Fiber LANs can be costFiber LANs can be cost--effective todayeffective today


SummarySummaryWhere is Fiber Cost Effective?Where is Fiber Cost Effective?

! New installations where fiber can be designed for centralized or zoned cabling

! Network upgrades where fiber can be designed for centralized orzoned cabling

! Installations that require long cable runs! Installations where EMI/RFI is an issue! Installations where bandwidth requirements continue to increase –

where are they not? ! Installations where the cabling infrastructure capacity needs to last

more than 5 years! Installations where “future-proofing” is a main concern


Fiber Optics LAN SectionFiber Optics LAN Section

!! For more information on joining the For more information on joining the Fiber Optics LAN Section:Fiber Optics LAN Section:!! Contact Andy Dryden Contact Andy Dryden

!! 703703--907907--7702 or 7702 or [email protected]@tia.eieia.orga.org!! Visit our website at Visit our website at www.www.folsfols.org.org

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Optical Fiber: Bringing Bandwidth to the Classroom, Cost ... · PDF fileFiber Optics LAN Section Optical Fiber: Bringing Bandwidth to the Classroom, Cost Effectively ASCUE - June 11,