Published on February 20, 2014
NEXT GENERATION FIBER STRUCTURED CABLING AND MIGRATION TO 40/100G Warren McCarty Technical Systems Engineer, Data Centers, Panduit © TCC 2014, Confidential and Proprietary
Agenda • Top of Mind Issues • Data Rate Evolution • Standards • Duplex to Parallel - The Impact on Cabling Infrastructure • Migrating from 10 Gigabit to 40/100 Gigabit Ethernet • What’s New & Looking Ahead • Questions
Top of Mind Issues Scalability The solution that works for small installs can grow into and work for large systems Modularity Everything works together All product line features and accessories are interoperable Density Need more connectivity in the same space Higher port count / higher port density Performance Higher bandwidth, higher-speed connectivity More compute power in the same real estate Agility Speed to deploy Installer productivity Efficient maintenance Risk mitigation Redundancy in design and in connection schemes
Ethernet Data Rate Evolution 0.1 GE 1 GE 10 GE 40 GE 100 GE More traffic converges onto single circuits Each circuit becomes more mission critical. Source: The Market Need for 40 Gigabit Ethernet – Cisco 2012
1-32Gb Fibre Channel & 40/100Gb Ethernet Source: Dell’Oro January, 2011 40 and 100 Gigabit Ethernet will initially be niche applications Fiber solutions are just starting to be commercialized using Multimode media for intermediate reach Source: Gartner December, 2011 PROJECTED GROWTH RATE ESTIMATED PORT SHIPMENTS CONNECTOR APPLICATION 2012 2013 2014 2015 2012 2013 2014 2015 MDI SCS SAN 1Gb to 32Gb Fibre Channel (FC) 19% 22% 25% 27% 7.67M 9.36M 11.7M 14.86M LC ONLY LC & MPO LAN 10Gb ETHERNET 49% 45% 40% 37% 6.59M 9.55M 13.37M 18.31M LC ONLY LC & MPO - 1200% 162% 118% 5K 65K 170K 675K MPO ONLY MPO ONLY LAN 40Gb/100Gb ETHERNET MDI - Medium Dependent Interface SCS – Structured Cabling System
802.3ba 40/100Gigabit Ethernet Overview • IEEE 802.3ba was ratified June 2010 • 8 PMDs (Physical Layer Media Dependent transceivers) are included • Multimode requires MPO/ribbon to port • Short reach copper cable assembly is included • Traditional Structured Twisted pair cabling is not included (40G short reach under research) SM
802.3ba Summary of Options (PMDs) Reach 1m Backplane 7m copper cable assembly 100m OM3/ 150m OM4 10km SMF 40km SMF 40 Gigabit Ethernet 40GBASE-KR4 40GBASE-CR4 40GBASE-SR4 40GBASE-LR4 Signaling 4 x 10Gbps 4 x 10Gbps 4 x 10Gbps 4 x 10Gbps Media Backplane Twin-ax Parallel MMF Duplex SMF QSFP QSFP CFP PMD Name Module 100 Gigabit Ethernet PMD Name 100GBASE-CR10 100GBASE-SR10 Signaling 10 x 10Gbps 10 x 10Gbps 4 x 25Gbps 4 x 25Gbps Twin-ax Parallel MMF Duplex SMF Duplex SMF CXP CFP or CXP CFP CFP Media Module SM 100GBASE-LR4 100GBASE-ER4
IEEE 40G & 100G Standard: Duplex to Parallel * Engineered Link, 1.0dB max. connector insertion loss, 3.0dB/km fibre attenuation max. CFP – C Form-factor Pluggable QSFP – Quad Small Form-factor Pluggable CXP – High density Pluggable
Duplex to Parallel The Impact on Cabling Infrastructure
Big Impact on Cabling Infrastructure - From Duplex to Parallel
Fiber Cabling Systems 40G MM Transceiver - 40GBASE-SR4 4 x 10G tx / 4 x 10G rx TX Lane 0 TX Lane 1 TX Lane 2 TX Lane 3 NC NC NC NC RX Lane 0 RX Lane 1 RX Lane 2 RX Lane 3 Driver Driver Driver Driver VCSEL VCSEL VCSEL VCSEL MPO 12 TIA TIA TIA TIA PIN PIN PIN PIN
Fiber Cabling Systems 100G MM Transceiver - 100GBASE-SR10 10 x 10G tx / 10 x 10G rx NC TX Lane 0 TX Lane 1 TX Lane 2 TX Lane 3 TX Lane 4 TX Lane 5 TX Lane 6 TX Lane 7 TX Lane 8 TX Lane 9 NC NC RX Lane 0 RX Lane 1 RX Lane 2 RX Lane 3 RX Lane 4 RX Lane 5 RX Lane 6 RX Lane 7 RX Lane 8 RX Lane 9 NC Driver Driver Driver Driver Driver Driver Driver Driver Driver Driver VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL TIA TIA TIA TIA TIA TIA TIA TIA TIA TIA PIN PIN PIN PIN PIN PIN PIN PIN PIN PIN MPO 24
Fiber Cabling Systems 100G MM Transceiver - 100GBASE-SR10 2 x10 x 10G tx / 10 x 10G rx NC TX Lane 0 TX Lane 1 TX Lane 2 TX Lane 3 TX Lane 4 TX Lane 5 TX Lane 6 TX Lane 7 TX Lane 8 TX Lane 9 NC NC RX Lane 0 RX Lane 1 RX Lane 2 RX Lane 3 RX Lane 4 RX Lane 5 RX Lane 6 RX Lane 7 RX Lane 8 RX Lane 9 NC Driver Driver Driver Driver Driver Driver Driver Driver Driver Driver VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL VCSEL TIA TIA TIA TIA TIA TIA TIA TIA TIA TIA PIN PIN PIN PIN PIN PIN PIN PIN PIN PIN MPO 12 MPO 12
New 100G IEEE 802.3 Study Group • Next Generation 100Gb/s Optical Ethernet Study Group • New work impacts direction of future 100G MM PMDs • 4x25G instead of (10x10G) • Good for customers – reuse 40G cable plant • Research focused on direct modulation of VCSEL @ >25 G • 100G SR4 will use 8 lanes (4 Tx/4 Rx), QSFP MSA & MPO • Preserves SR4 installations with OMx ribbon cable plant • OIF group is developing CEI-28G-VSR common electrical interfaces for ANSI, IBTA & IEEE • Fiber will have to be EXCELLENT to support upcoming 25Gb/s
Fiber Cabling Systems Proposed - 100G MM Transceiver - 100GBASE-SR4 4 x 25G tx / 4 x 25G rx TX Lane 0 TX Lane 1 TX Lane 2 TX Lane 3 NC NC NC NC RX Lane 0 RX Lane 1 RX Lane 2 RX Lane 3 Driver Driver Driver Driver VCSEL VCSEL VCSEL VCSEL MPO 12 TIA TIA TIA TIA PIN PIN PIN PIN
Fiber Cabling Systems 100G Parallel Optics MDI Form-Factors Side-By-Side Ports • Incumbent method • SNAP12, iBpak • CFP compatible Stacked (vertical) Ports • Single-width linear pitch • Compatible with 12-fiber ribbon cable plant • High-density switch ports Single Ports – 24 Strand • Most compact • Most complex to manufacture (transceivers and connectivity) Single Ports – 12 Strand • TBD These variants collectively cover all interoperability scenarios
Cabling Migrations From 10Gbe to 40/100GbE
19 Cabling Migrations From 10Gbe to 40/100GbE
Case Study: Migration Strategy On-Site Customer Comparison 40G 100G One installer, one Phillips screwdriver and six hours to deploy the solution • Represents 256 10G ports (fully populated Nexus 7010 has 8 x 32 10G ports) in top of cabinet • Migrated to 256 40G ports in center of cabinet • Migrated to 256 100G ports in bottom of cabinet • 10G • 8208 total fibers running into overhead cable tray • No enclosure needed • Maximized the amount of repurposed components (patch panels and cable) • Only angled modular solution in the industry • Plenty of room for MACs
Critical items to note for MPO 10/40/100Gbe Migrations • Gender • Polarity • Key
MPO Polarity Features & Types Ex. Key – Up Method B: Key-Up (female) to Key-Up (female) Method A: Key-Up (female) to Key-Down (female)
Polarity • Transmit lanes of one module connect with receive lanes of other module • Simple direct connection – Female MTP patch cord with “keys up” at both ends • Not as simple in real life deployment when reusing MTP trunks – Method A – Method B – Method C Key up to key down Key up to key up Pair-wise flip
What is the Problem? Seems easy until Polarity & Gender are considered. Method A Trunk Key-Up/Key-Down Female - Female 10Gbe Trunks Pinned Female 40/100Gbe Trunks Pinned Male Method B Adapters Key-Up/Key-Up Method B Key-Up/Key-Up Male - Male Method B MPO Equipment Cords Key-Up(F)/Key-Up(F)
Solution - PanMPO Connector Change Polarity Key Up Remove Outer Housing , Flip & Reinstall Key - Down Change Gender Female Male Remove Outer Housing Using Pin Extend / Retract Tool Pull Pins Forward & Replace Outer Housing.
What’s New & Looking Ahead 2/20/2014 SM
Signature Core™ – Next Gen Multimode SM
Cisco 40GBASE-SR-BD SM
Cisco 40GBASE-SR-BD Compatible Switches Cisco 6000 Series Switches • 6001 • 6004 Cisco 9000 Series Switches • 9508 • 9396PX • 93128TX Cisco 7000 Series Switches** • 7018 • 7010 ***Using F3 Line Cards (3rd Generation) SM
Higher Speed Efforts – IEEE 802.3bj 0 to 106m: 100G over OM4, Parallel multimode fiber (850nm) 4x25G QSFP+ with MPO 100GBASE-SR4 Retimed Module – CDR in module for optical transmitter 0 to 20m: 100G Ultra-short reach, Un-retimed parallel optics Parallel Optics Fiber 4x25G QSFP+ with MPO 100GBASE-UR4 Lower power "SR-lite” 100GBASE-SR4 and 100GBASE-UR4 to be interoperable 0 to 500m: 100G Over single-mode fiber (1310nm window) ? (TBD) 4 PMD Options under consideration: - Parallel Optics – 100GBASE-PSM4 - Duplex fiber pair: - Wavelength Division Multiplexing – WDM - Discrete Multi-Tone – DMT - Pulse Amplitude Modulation – PAMn 0 to 40,000m: 40G Ultra-long reach over single-mode fiber Single-mode Duplex Fiber Pair Standardization – March 2015 SM 4x25G QSFP+ with MPO 40GBASE-ER4 - In support of Metro Area Networks - Extended reach option to 40GBASE-LR4 - Same CWDM wavelengths, 20km and 40km options Call-For-Interest (March 2013 Plenary) – 400G Ethernet ? (TBD) Interest to standardize 1Terabit PMD No proposals to date
PLEASE LET ME KNOW HOW I DID! “Next Generation Fiber Structured Cabling and Migration to 40/100G” 1) WITH YOUR MOBILE DEVICE: In the TCCLive mobile app, “Agenda” section, then tap “Surveys” - OR 2) FILL OUT THE PAPER VERSION given to you at registration © TCC 2014, Confidential and Proprietary
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