10G 10G–EPON EPON Di Ch ll d Di Ch ll d Drivers, Challenges, and Drivers, Challenges, and Solutions Solutions Glen Kramer Glen Kramer Teknovus Teknovus, Inc. , Inc. [email protected] [email protected] 23 Sept 2009 ECOC 2009 Vienna, Austria 1
10G10G––EPONEPOND i Ch ll d D i Ch ll d Drivers, Challenges, and Drivers, Challenges, and
SolutionsSolutions
Glen KramerGlen KramerTeknovusTeknovus, Inc., Inc.
[email protected]@teknovus.com
23 Sept 2009 ECOC 2009 Vienna, Austria1
10G10G--EPON DriversEPON Drivers
IPTVIPTV MDU MarketMDU MarketIPTVIPTV• Bandwidth/channel is increasing
• SDTV = 2 Mb/s per channel• HDTV = 10 Mb/s per channel
MDU MarketMDU Market
• The biggest emergingmarkets arepredominantly MDU/ p
• 3DTV = 50-90 Mb/s per channel
• Number of US households using HDTV (HD-IPTV) is increasing
predominantly MDU
• China, India, Russia, Brazil, etc.
( ) g• 2010: 40% (20%)• 2020: 90% (80%)
L. K. Vanston, R. L. Hodges, and J. Savage, "Forecasts for Higher Bandwidth Broadband Services", Technologies Futures, Inc.
• With 24-48 subs per ONU, PON should have 10 Gb/s capacity
MSOMSO MarketMarket
• MSOs are looking for post-DOCSIS 3.0, all-fiber solutions
Wireless BackhaulWireless Backhaul
• Desired accesspoint density makes
• DOCSIS 3.0 can provide a total of 5 Gb/s
• The EPON architecture is a
PON the onlyfeasible solution
• 4G Wireless requires up to
23 Sept 2009 ECOC 2009 Vienna, Austria2
The EPON architecture is a perfect match for the MSO networks, but more bandwidth is needed
1 Gb/s per access point PON capacity of 10Gb/s is needed
Why Next Generation EPON Now?Why Next Generation EPON Now?
Eth t Eth t PON d fl d t f d d iPON d fl d t f d d iEthernet Ethernet PON opened floodgates for advanced servicesPON opened floodgates for advanced servicesVideoVideo--onon--DemandDemandHighHigh--definition IP TVdefinition IP TVTimeTime--shifted broadcastshifted broadcastOnline video gamesOnline video games
Users began to accept, like, and demand more Users began to accept, like, and demand more bandwidthbandwidth--intensive servicesintensive servicesbandwidthbandwidth intensive servicesintensive services
File sharing, picture uploading, video conferencingFile sharing, picture uploading, video conferencingMore simultaneous IP TV channelsMore simultaneous IP TV channelsMore onMore on--demand, less broadcast (“information pull” instead of “information demand, less broadcast (“information pull” instead of “information push”)push”)push )push )
Successful deployments of 1GSuccessful deployments of 1G--EPON create EPON create strong strong demand for greater bandwidthdemand for greater bandwidthgg gg
In 2005In 2005--2006, carriers started looking 2006, carriers started looking for a next for a next generation solutiongeneration solution
Compatible with existing outside plantCompatible with existing outside plantCompatible with existing outside plantCompatible with existing outside plantCompatible with existing NMS and OAMCompatible with existing NMS and OAM
23 Sept 2009 ECOC 2009 Vienna, Austria3
10G10G--EPON ChallengesEPON Challenges
Access represents the most costAccess represents the most cost--sensitive segment of sensitive segment of the network.the network.
ChallengeChallenge: Specify a solution that provides the : Specify a solution that provides the required bandwidth and supports multiple carrierrequired bandwidth and supports multiple carrier--grade services at the lowest cost. grade services at the lowest cost. gg
T d 30 illi d b EPON M f T d 30 illi d b EPON M f Today, 30 million users are served by EPON. Many of Today, 30 million users are served by EPON. Many of the deployed ONUs will not be replaced for a very the deployed ONUs will not be replaced for a very long time.long time.gg
ChallengeChallenge: Specify a solution that will not rely on : Specify a solution that will not rely on forklift upgrades and will not require any changes forklift upgrades and will not require any changes to the outside plant.to the outside plant.
23 Sept 2009 ECOC 2009 Vienna, Austria4
EPON is a Unifying ArchitectureEPON is a Unifying Architecture
i iMTU ONU per Floor
Cellular Backhaul
DSL
/ Eo
C
iser
IEEE vision:All user types, All data rates,Same EPON ODN
1Gb/
FTTB-MTU
MTU ONU in Wiring Closet / B t
Clock Transport IEEE 1588
FTTBCat
-5 /
xR Business ONU
Same EPON ODN
1Gb/s 10 Gb/s
1 Gb/s10 Gb/s
U Basement
FTTC / FTTNOLT with Traffic Management
xDSL
xDSL
Home Networking
FTTC / FTTNONU in Outside Cabinet
FTTH
Management
FTTB – Fiber to the BuildingFTTC – Fiber to the CabinetFTTH – Fiber to the Home
GE
CoaxHGW
SFU ONU
Home NetworkingFTTH – Fiber to the HomeFTTN – Fiber to the NodeHGW – Home GatewayMTU – Multi-Tenant UnitOLT – Optical Line TerminalONU – Optical Network UnitSFU – Single-Family UnitSTB – Set-Top Box
23 Sept 2009 ECOC 2009 Vienna, Austria5
FE / Coa
STB / IP-STB
STB Set Top Box
The World is Connected via EthernetThe World is Connected via EthernetData is being born and dies as Ethernet (IEEE 802.3)Data is being born and dies as Ethernet (IEEE 802.3)Data is being born and dies as Ethernet (IEEE 802.3)Data is being born and dies as Ethernet (IEEE 802.3)The family of IEEE 802 standards covers multiple functionsThe family of IEEE 802 standards covers multiple functions
Transport: Transport: 802.3z, 802.3az, 802.3ah, 802.3av, 802.3at, 802.3az, 802.3ba …802.3z, 802.3az, 802.3ah, 802.3av, 802.3at, 802.3az, 802.3ba …
Traffic Engineering, Traffic Engineering, QoSQoS: : 802.1p, 802.1Qay, 802.1Qau, 802.1Qaz, 802.1Qbb …802.1p, 802.1Qay, 802.1Qau, 802.1Qaz, 802.1Qbb …g g,g g, QQ p, Q y, Q , Q , Qp, Q y, Q , Q , Q
Network Network ConfigConfig. & Management: . & Management: 802.1Q, 802.1s, 802.1v, 802.1ad, 802.1ah …802.1Q, 802.1s, 802.1v, 802.1ad, 802.1ah …
Survivability: Survivability: 802.1w, 802.1AB, 802.1ag, 802.1Qaw802.1w, 802.1AB, 802.1ag, 802.1Qaw
Authentication and Security:Authentication and Security: 802.1X, 802.1AE, 802.1af, 802.1AR802.1X, 802.1AE, 802.1af, 802.1AR
All 802 standards are governed by a common architectural All 802 standards are governed by a common architectural model and model and fit together perfectlyfit together perfectly
Matching interface ratesMatching interface ratesMatching data formatsMatching data formats
FE
100GE
GE
10GE
10GE
FE
GE
23 Sept 2009 ECOC 2009 Vienna, Austria
10GE
PBB – Provider Backbone BridgesPBB-TE – Provider Backbone Bridges - Traffic Engineering
6
IEEE Process Creates Robust StandardIEEE Process Creates Robust Standard
InIn––scope scope functions are fully functions are fully specifiedspecifiedInIn scope scope functions are fully functions are fully specifiedspecifiedNothing left “For Future Study”Nothing left “For Future Study”Each standard clause has a Protocol Implementation Conformance Each standard clause has a Protocol Implementation Conformance Statement (PICS) sectionStatement (PICS) section
““One solution for one problemOne solution for one problem”, no multiple ”, no multiple optionsoptionsEliminates vendor implementation ambiguityEliminates vendor implementation ambiguityEnsures interoperability and lowers development cost Ensures interoperability and lowers development cost p y pp y p
Must demonstrate technical feasibilityMust demonstrate technical feasibilityClose tracking of technology evolutionClose tracking of technology evolutionP f i i f i i l iP f i i f i i l iPreference is given to reuse of existing mature solutionsPreference is given to reuse of existing mature solutions
Must demonstrate economic feasibility and broad market Must demonstrate economic feasibility and broad market potential potential pp
Constant focus on finding the lowest cost Constant focus on finding the lowest cost solutionsolutionThe EPON standard is developed for the worldwide marketThe EPON standard is developed for the worldwide marketThe EPON standard is driven by carriers, system vendors, ASIC vendors, The EPON standard is driven by carriers, system vendors, ASIC vendors, PHY vendors, and optics vendorsPHY vendors, and optics vendorsPHY vendors, and optics vendorsPHY vendors, and optics vendors▪▪ Broad representation Broad representation ensures ensures lowest total lowest total costcost
23 Sept 2009 ECOC 2009 Vienna, Austria7
EPON RootsEPON Roots2G2GStandardizedEPON architecture is EPON architecture is
derived from existingderived from existingspecifications using smallspecifications using smallevolutionary changesevolutionary changes
1G1GP2PP2P
1G1GEPONEPON
2G2GEPONEPON
Standardizedby CCSA in 2009
evolutionary changesevolutionary changes
Many logic components areMany logic components arecommon with existing deployedcommon with existing deployed
10G10GP2PP2P
10G10GEPONEPON
Ethernet devices and can be reusedEthernet devices and can be reused
For example, 1GFor example, 1G--EPON optics required only minimal EPON optics required only minimal modifications to pointmodifications to point--toto--point opticspoint opticsmodifications to pointmodifications to point toto point opticspoint optics
Relaxed on/off timesRelaxed on/off timesRelaxed Automatic Gain Control and ClockRelaxed Automatic Gain Control and Clock--Data Recovery timesData Recovery timesNo power level adjustments neededNo power level adjustments neededNo power level adjustments neededNo power level adjustments neededVendors were able to quickly reVendors were able to quickly re––purpose inexpensive highpurpose inexpensive high––volume 1Gb/s Ethernet transmitters for EPONsvolume 1Gb/s Ethernet transmitters for EPONsCost of 1G EPON optics approaches the cost of P2P opticsCost of 1G EPON optics approaches the cost of P2P opticsp pp pp pp p
Ethernet volumes drive EPON cost downEthernet volumes drive EPON cost downECOC 2009 Vienna, Austria23 Sept 20098
EPON EPON Protocol is Simple and Flexible Protocol is Simple and Flexible
EPON uses MultiEPON uses Multi Point Control Protocol (MPCP)Point Control Protocol (MPCP)EPON uses MultiEPON uses Multi--Point Control Protocol (MPCP)Point Control Protocol (MPCP)No No encapsulating framingencapsulating framingSame Same fullfull––duplex duplex MAC as in any 802.3 MAC as in any 802.3 devicedeviceE thi E thi i i k tk t b db dEverything Everything is is packetpacket––basedbased
MPCP uses MAC Control frames (type 0x8808)MPCP uses MAC Control frames (type 0x8808)OAM uses “Slow Protocol” frames (type 0x8809)OAM uses “Slow Protocol” frames (type 0x8809)TDM is implemented using circuit emulation (PWE3TDM is implemented using circuit emulation (PWE3))TDM is implemented using circuit emulation (PWE3TDM is implemented using circuit emulation (PWE3))
MPCP is designed to be flexible and accommodating of MPCP is designed to be flexible and accommodating of future development future development pp
>32,000 logical links >32,000 logical links –– capable of extendedcapable of extended--split and persplit and per--flow flow QoSQoSMPCP does not introduce distance or split limitationsMPCP does not introduce distance or split limitations
Going from 1G to 2G Going from 1G to 2G no protocol changesno protocol changesGoing from 1G to 2G Going from 1G to 2G –– no protocol changesno protocol changesGoing from 1G or 2G to 10G Going from 1G or 2G to 10G –– only minor changes only minor changes
Added new fields to two control messages to simplify coexistence of Added new fields to two control messages to simplify coexistence of various ONUs (rates) on the same EPONvarious ONUs (rates) on the same EPONvarious ONUs (rates) on the same EPONvarious ONUs (rates) on the same EPONModified some formulas to account for stronger streamModified some formulas to account for stronger stream--based FECbased FEC
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EPON is Easy to Design and ManufactureEPON is Easy to Design and Manufacture
N t ti d L No segmentation and reassembly buffers
• Lower memoryrequirements
Processing complete packets instead of fragments
• Less packet processing• Easier queue managementinstead of fragments • Easier queue management
Data transfer and all protocols are packet-based (OAM, MPCP, TDMoE )
• Streamlined logic• No protocol conversion
F ti d IEEE 802.3 rule:One solution for one problem
• Few options and implementation methods
• Low silicon requirements
Every single item above mayEvery single item above maybe not critical, but togetherbe not critical, but togetherthey make big differencethey make big difference
ONU integrated into an SFP
module
Highly integrated EPON ASICsHighly integrated EPON ASICscan be built in smaller packagecan be built in smaller package
EPON ASICs consume very little powerEPON ASICs consume very little powerEPON ASICs consume very little powerEPON ASICs consume very little power(1G/2G dual(1G/2G dual--mode ONU mode ONU SoCSoC ~ 725 ~ 725 mWmW))
ECOC 2009 Vienna, Austria23 Sept 2009 SFP – Small Form-factor Pluggable (module)10
EPON is EvolvingEPON is Evolving
EPON i l i t i lt l tEPON i l i t i lt l tEPON is evolving to simultaneously support…EPON is evolving to simultaneously support…
A mix of various user typesA mix of various user types 10/1G ONU10/1G ONU
LowLow--end users (1/1)end users (1/1)Typical users (2/1)Typical users (2/1)HighHigh--end users (10/1end users (10/1
HighHigh--end end useruser
2/1G ONU 2/1G ONU
10/10G 10/10G MDU ONUMDU ONU
gg ( /( /or 10/10)or 10/10)
A mix of variousA mix of various OLTOLT10/10G ONU 10/10G ONU
Typical Typical useruser
deployment scenariosdeployment scenariosFTTHFTTHFTTC+MDUFTTC+MDU
10/10G ONU 10/10G ONU BusinessBusiness
1/1G SFP 1/1G SFP 1/1G ONU1/1G ONULowLow--end end
FTTBusinessFTTBusinessBackhaul applicationsBackhaul applicationsDOCSIS over EPONDOCSIS over EPON
1/1G SFP 1/1G SFP ONUONU
LowLow--end end useruser
ECOC 2009 Vienna, Austria
DOCSIS over EPONDOCSIS over EPON
23 Sept 200911
EPON OLT Supports EPON OLT Supports 4 4 Types of ONUS Types of ONUS
EPON OLT b ilt f EPON OLT b ilt f OLT Layering DiagramEPON OLT built for EPON OLT built for coexistence can coexistence can support 4 support 4 types of types of L2 Switch
OLT Layering Diagram
ONUs ONUs simultaneously:simultaneously:
//
10G-1GMAC
10G-1GMAC
10G-10GMAC
10G-10GMAC
2G-1GMAC
1G-1GMAC
1G-1GMAC
2G-1GMAC
1G/1G1G/1G
2G/1G2G/1GRS
GM
II
Tx Rx Tx RxGM
II
TxGM
II
10G/1G10G/1G
10G/10G10G/10G PCSG XG
1.25 Gb/sTx
1.25Gb/sRx
10.3125Gb/sTx
10.3125Gb/sRx
DG
2.5Gb/sTx10G/10G10G/10G
PMAPMD
TxChannel
RxChannel
TxChannel
RxChannel
TxChannel
23 Sept 2009 ECOC 2009 Vienna, Austria
1.25Gb/s
@1490 nm
1.25Gb/s
@1310 nm
10.3125Gb/s@
1577 nm
2.5Gb/s@
1550 nm
10.3125Gb/s@
1280 nm12
DualDual--Rate TDMA Upstream: Combined 10G+1G DBARate TDMA Upstream: Combined 10G+1G DBA
C l i di l hColors indicate Wavelength
10G @ 1577 nm
2.5G @ 1550* nm
10/10 Gb/s ONU A
1577/1270Xcvr
OLT (Logical View)
1G DS MAC
2.5G DS MAC 1550 Tx
1490 Tx
1577/1310Xcvr
10/1 Gb/s ONU B
1G
@ 1310nm
10G
@ 1270nm
1G @ 1490 nm
@
Uplink Switch
1G US MAC
10G DS MAC WDM1550/1310
Xcvr2.5 Gb/s ONU C
1490/1310Xcvr
1.25 Gb/s ONU D
1577 Tx
Dual-rate1310/1270
R
DBA
@ 1310nm @ 1270nmUpstream TDMA Mixed type ONU’s on same PON10G US MAC Rx
WDM Downstream (Continuous Mode) WDM Downstream (Continuous Mode) 10 Gb/s, 1577 nm
2 Gb/s, 1550*nm
ONU A ONU B
ONU C*2.5G λ can use wavelengths other than 1550 nm
Dual-Rate TDMA Upstream (Burst Mode)
1 Gb/s, 1490 nm ONU D
ECOC 2009 Vienna, Austria13
1 Gb/s, 1310nmONU B
1Gb/s, 1310nmONU D
1 Gb/s, 1310nmONU C
10 Gb/s, 1270nmONU A
23 Sept 2009
C l i di l h
WDM Upstream WDM Upstream –– Separate 10G and 1G DBASeparate 10G and 1G DBA
10G @ 1577 nm
2.5G @ 1550* nm
10/10 Gb/s ONU A
1577/1270Xcvr
OLT (Logical View)
1G DS MAC
2.5G DS MAC 1550 Tx
1490 TxDBA
1577/1310Xcvr
10/1 Gb/s ONU B
Colors indicate Wavelength
1G @ 1490 nm
1G @ 1310nm
@
10G @ 1270nm
Uplink Switch1G US MAC
10G DS MAC
10G US MAC
1310 Rx
1270 R
WDM1550/1310
Xcvr2.5 Gb/s ONU C
1490/1310Xcvr
1.25 Gb/s ONU D
1577 TxDBA
10G @ 1270nmMixed type ONU’s on same PON
10G US MAC 1270 Rx
WDM Downstream (Continuous Mode) 10 Gb/s, 1577 nm
2 Gb/s, 1550*nm
ONU A ONU B
ONU C*2.5G λ can use wavelengths other than 1550 nm
1 Gb/s, 1310nmONU B
WDM Upstream (Burst Mode)
1 Gb/s, 1490 nm ONU D
1 Gb/s, 1310nmONU D
1 Gb/s, 1310nmONU C
ECOC 2009 Vienna, Austria14
ONU B ONU D ONU C
10 Gb/s, 1270nmONU A
23 Sept 2009
Various upgrade scenarios Various upgrade scenarios
WDM f 1G d 10G tWDM f 1G d 10G tWDM for 1G and 10G upstreamWDM for 1G and 10G upstreamIndependent DBA for 1G and for 10GIndependent DBA for 1G and for 10GTotal upstream bandwidth is 11 Total upstream bandwidth is 11 GbGb/s (10+1)/s (10+1)10G OLT may be added as a separate line card or as single 10G OLT may be added as a separate line card or as single line card combining 1G and 10Gline card combining 1G and 10G
DualDual--rate TDMA upstreamrate TDMA upstreamDualDual rate TDMA upstreamrate TDMA upstreamOne OLT port can serve all types of ONUsOne OLT port can serve all types of ONUsProvides highest subscriber densityProvides highest subscriber densityConserves power and saves CO rack spaceConserves power and saves CO rack spaceConserves power and saves CO rack spaceConserves power and saves CO rack space
Most important: Most important: existing 1G and 2Gexisting 1G and 2G--EPON EPON investments are protectedinvestments are protectedpp
Either upgrade method allows all existing ONUs to remain in Either upgrade method allows all existing ONUs to remain in operationoperationCarrier can selectively upgrade subscribers who are willing to Carrier can selectively upgrade subscribers who are willing to Carrier can selectively upgrade subscribers who are willing to Carrier can selectively upgrade subscribers who are willing to pay for premium services and higher data ratespay for premium services and higher data rates
23 Sept 2009 ECOC 2009 Vienna, Austria15
Excerpt from joint press release:
Organizations Endorsing 10GOrganizations Endorsing 10G--EPONEPONExcerpt from joint press release:
Piscataway, NJ, September 11, 2009 - Today, more than 40 companies and organizations that supported or participated in the IEEE P802.3av 10 Gb/s Ethernet Passive Optical Network (10G-EPON) Task Force are celebrating completion of IEEEPassive Optical Network (10G EPON) Task Force are celebrating completion of IEEE Std. 802.3avTM-2009, also known as Physical Layer Specifications and Management Parameters for 10 Gb/s Passive Optical Networks. <…> The following companies have expressed their support for the approved standard: Alloptic, Anritsu Company, ARRIS, B-DeltaCom, Bright House Networks, Cambridge Industries Group, China Mobile Communications Corporation, China Telecom – STTRI, China Unicom – Beijing, Corecess, Cortina Systems, CyOptics, Dasan Networks, Dongwon, EnablenceTechnologies ETRI FiberHome Fujitsu H3C Hisense Broadband Hitachi HuaweiTechnologies, ETRI, FiberHome, Fujitsu, H3C, Hisense Broadband, Hitachi, HuaweiTechnologies, Kawasaki Microelectronics, KDDI R&D, KT, Ligent Photonics, Mitsubishi Electric, NEC, NTT Corporation, OF Networks, OneChip Photonics, PMC-Sierra, Shanghai Luster Teraband Photonics Co., Sumitomo Electric, Teknovus, Telekom Malaysia R&D, Ubiquoss, Vitesse Semiconductor, and ZTE. The China Communications Standards Association (CCSA), the Ethernet Alliance, the Optical Access (FTTx) Industry Alliance (OAIA) of China, and the Taiwan Optical Communication Industry Alliance also endorse the 10G-EPON standardCommunication Industry Alliance also endorse the 10G EPON standard.
(reviewed and approved by every listed organization)
ECOC 2009 Vienna, Austria23 Sept 200916