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Mainframe Replication Solutions between Data Centers Paul Schoenau © Copyright 2008 EMC Corporation. All rights reserved. [email protected] 857-998-9042 Who Is Ciena? The WAN Network Specialist Serving the world’s largest and most advanced service provider, government, and enterprise networks y Reducing WAN costs for Storage Replication: – Aggregating all applications onto a single WAN – Investment protection through flexibility and re-use – Industry leading WDM platform y Founded 1992 y HQ in Maryland USA y Cumulative global market leader in long haul DWDM and Intelligent Optical Switching y Increasing EMC Replication Performance: y ~2,000 employees worldwide – Enabling more I/O per second – Providing a more controllable, less complex WAN network solution – Providing higher availability, lower downtime © Copyright 2008 EMC Corporation. All rights reserved. y Over 250 Patents held with 100 pending. y Numerous R&D centers worldwide. y Service and support across the Americas, EMEA and Asia 2 Why Ciena are Here Today y EMC Select Partner - EMC Sells Ciena Solutions CN 4200 FlexSelect: Only CWDM and DWDM solution in EMC Select CN 2000 Storage and LAN Extension >100 customers have purchased Ciena through EMC Select y Enables EMC to provide Best of Breed End-to-End Solutions High Performance, Cost Effective Data Center Networking Next Generation of Information Infrastructure y Working together towards common goals eLab Qualification (SRDF, GDDR, EDL, Mirrorview) • 1G / 2G / 4G / 10G Fibre Channel qualifications Total Customer Experience, Proof of Concept demos © Copyright 2008 EMC Corporation. All rights reserved. 3 Where does Ciena fit Up Long Distance Storage and LAN Extension Gigabit Ethernet SONET / SDH (DS3, OC-3/12/48, STM-1/4/16) C/DWDM over dark fiber WDM Primary Data Center © Copyright 2008 EMC Corporation. All rights reserved. Up to 100s of km 4 to 1, 00 0s of km Ciena Solutions in EMC Select CN 4200 FlexSelect CWDM/DWDM Solution y Efficient aggregation of multiple services and protocols onto a single WDM wavelength y Qualified for 1G/2G/4G/10G Fibre Channel, FICON, ESCON, GbE, 10GbE, SONET/SDH y Low sparing cost: Tunable lasers across all of the wavelengths y FlexiPort technology – enables any port to be remotely provisioned to support various protocols y In service scalability from CWDM (8 wavelengths) to DWDM (40 x 10Gbps wavelengths) y Detailed Performance Monitoring & Fault Isolation CN 2000 Storage and LAN Extension y Aggregates up to 8 Fibre Channel, FICON, ESCON and GbE over SONET/SDH/Gigabit Ethernet y Per port hardware data compression across all protocols y Write Acceleration and buffer credit extension y Detailed end to end performance monitoring of the service and WAN y Low latency, high throughput © Copyright 2008 EMC Corporation. All rights reserved. 5 SMARTS Service Assurance Management for the Ciena CN 4200 y Discovery – Auto discover equipment, fiber links y Root Cause Analysis – Fiber cuts, equipment removal & failure, port failure, environmental y Cross Doman Analysis – SRDF sessions and optical network problems – IP and optical domains y Dashboard view © Copyright 2008 EMC Corporation. All rights reserved. 6 Agenda y Ciena Introduction y Advances in Optical Networking y Mainframe Replication Solutions – – – – EMC in Geographically Dispersed Parallel Sysplex environments EMC Geographically Dispersed Disaster Restart (EMC GDDR) SRDF Synchronous, Asynchronous, Star ILM Implementations y Other WAN Networking Offerings from Ciena y Summary © Copyright 2008 EMC Corporation. All rights reserved. 7 OTN for resilient, high-capacity transport y Optimizes optical networks for high-performance transport y Service and protocol transparency y Production-grade management – y Robust OAM streamlines operations, administration and maintenance Sub-wavelength granularity Flexible, cost-effective aggregation onto wavelengths © Copyright 2008 EMC Corporation. All rights reserved. 8 FlexiPorts: Programmable hardware Programmable Client ports FlexiPort technology ESCON (200Mb/s) y Any mix of services y Future-proofs the network y Change services on the fly GbE (1250Mb/s) y Better utilization of hardware y Far more cost-effective FC (2125Mb/s) y Essential part of a practical transition STM-1 (155Mb/s) Ultimate investment protection © Copyright 2008 EMC Corporation. All rights reserved. 9 FlexSelect Provisioning Dynamic Bandwidth Assignment Disk Mirroring Tape Backup Remote Data Center Fibre Channel 65% GbE 60% 65% Disk Mirroring 20% Tape Backup 15% LAN All Applications Running Dynamic provisioning ensuring optimum utilization of the WAN y Application isolation to guarantee security and performance 15% 80% 0% y WAN 20% 100% 20% Aggregation of all ILM services onto a single WAN service GbE LAN 40% y Backup Finishes LAN Able to Disk Burst When Mirroring Com pleting BW Available © Copyright 2008 EMC Corporation. All rights reserved. Time 10 Agenda y Ciena Introduction y Advances in Optical Networking y Mainframe Replication Solutions – – – – EMC in Geographically Dispersed Parallel Sysplex environments EMC Geographically Dispersed Disaster Restart (EMC GDDR) SRDF Synchronous, Asynchronous, Star ILM Implementations y Other WAN Networking Offerings from Ciena y Summary © Copyright 2008 EMC Corporation. All rights reserved. 11 Geographically Dispersed Mainframe Environments Geographically Dispersed Parallel Sysplex (GDPS) Site 1 EMC Geographically Dispersed Disaster Restart (EMC GDDR) Site 2 ISC Long Distance Site ISC ISC A sy nc hr on ou s Mainframe Heartbeat 4 STP/ λ FICON, FICON EXPRESS, FC Gigabit Ethernet SONET / SDH WDM Primary Data Center Synchronous Bunker Site y Automatically restarts remote host systems, y Multi-site e-business continuity solution designed by IBM to improve application availability –primarily in zSeries mainframes © Copyright 2008 EMC Corporation. All rights reserved. New applications, and storage at remote sites y Parameter-driven software eliminates need to rewrite/retest scripts—for faster, easier configuration changes 12 IBM GDPS Logical Architecture Ciena Qualified Site A Site B 40 Km Timing: • CLO Links • ETR Links ISC Links (1/2Gb/s) IBM zSeries Servers ESCON Directors Coupling Facility (CF): • ISC-2/ISC-3c/ISC-3p ETR Links (16Mb/s) IBM 9037 Sysolex Timers CLO Links (16 Mb/s) Replication data: • ESCON / FICON data • FC/GbE data ESCON/FICON links Storage Specialized Protocols: FC links EMC Symmetrix with licensed the IBM software © Copyright 2008 EMC Corporation. All rights reserved. 13 GDPS with STP Logical Architecture Ciena Qualified Site A Site B 100 Km Server Time Protocol (STP) - Eliminates dependency on IBM 9037 Sysplex timers - Consolidates timing links (ETR/CLO) to the ISC channels -Extends the distance of synchronization between data centers to 100km (from 40 km) - IBM stopped shipment of Sysplex Timers IBM zSeries Servers STP/ISC-3p Links (2Gb/s) Directors Storage FICON links FC links EMC Symmetrix with licensed the IBM software © Copyright 2008 EMC Corporation. All rights reserved. 14 EMC GDDR: Mainframe Disaster Restart Software Ciena Qualified y Automates disaster restart with most current data in the fastest possible time R2 – Assures safe failover in case of planned or unplanned outage – Disaster restart for multiple sites Peer-to-Peer Communication y Manages system resources – Begins host system tasks – Starts applications as specified – Ensures disk data integrity R1 “Near Site” SRDF/S, SRDF/A TimeFinder family AutoSwap Consistency Groups Source R2 “FAR” Site Benefits: • Less expensive to implement than IBM GDPS • Faster and easier to maintain through standardized restart processes • Limits downtime for planned or unplanned outages © Copyright 2008 EMC Corporation. All rights reserved. 15 Conventional WDM Approach to Mainframe Replication Site 1 Site 2 ISC Links ISC Links y Typical systems utilize 3R transponders with regeneration – – Carry 1 STP signal per wavelength Typical 16 STP links per installation requiring 16 wavelengths 16 λ WDM WDM FICON, FICON EXPRESS, FC 3R Transponder Coupling Facility Conventional approach utilizes ONLY wavelength multiplexing of STP links • Inefficient wavelength utilization – One wavelength per STP signal • Expensive due to need for additional lasers & WDM filter ports © Copyright 2008 EMC Corporation. All rights reserved. 16 Value of Transparent Multiplexing Wavelength Efficiency with OTU Timeslot Technology Timeslot Interchanger Function (on line card) FC100 1 1111111 123456789 0 1 2 3 4 5 6 Trailer STM-1/OC-3 1234567 OTU1 Channel •Contains virtual waves •Encapsulates for OAMP Header GbE Service STM-1/OC-3 ESCON STM-4/OC-12 Fibre Channel, FICON (1G), ISC-2 Gigabit Ethernet/1000BT Fibre Channel/FICON (2G), ISC-3p, STP STM-16/OC-48 (1) 123456 Carried as a single wavelength y Each OTU frame is divided into 155Mb/s timeslots y Each service assigned a set number of timeslots based on service rate y Muxing performed on CN 4200 aggregation cards y Provides add/drop and cross-connect capabilities for all services © Copyright 2008 EMC Corporation. All rights reserved. 17 Line Bit Rate 155.52 200.00 622.08 1062.50 1250.00 2125.00 No. of TimeSlots 1 2 4 6 7 12 2488.32 N/A1. Industry Leading 4G FC Aggregation Inefficient ISLs Alternative Solutions Incremental Director Cost WDM $250,000 10G x 1 $$$ $200,000 $150,000 WDM $100,000 $50,000 $- Clariion DMX Connectrix Connectrix Ciena Solution DMX Clariion 10G DMX 2 x 4G 1 x 4G Inefficient WDM solutions 4G x 3 or 10G (Only 2:1 or 1:1 aggregation of 4GFC) WDM Clariion 3 x 4G Connectrix © Copyright 2008 EMC Corporation. All rights reserved. Connectrix DMX 18 Clariion Ciena’s Approach to GDPS STP Transport Site 1 ISC Links Site 2 ISC Links ISC Links 4λ CN 4200 uses G6/F10A to multiplex up to 4 STP signals per wavelength Only 4 wavelengths required, immediate 12λ savings Can also mux STP w/ other data links (FICON, ESCON, FC) for additional wavelength efficiency FICON, FICON EXPRESS, FC Up to 67% lower wavelength counts vs. competitive solutions Ciena’s approach electrically multiplexes up to 4 STP/ISC-3p or 8 ISC-2 per wavelength • • • Efficient wavelength utilization – fewer 10G wavelengths More cost effective due to need for fewer optics Integrated protection switching capability © Copyright 2008 EMC Corporation. All rights reserved. 19 Software Tunable Migration from GDPS to EMC GDDR 10 x ESCON Single 2.7G λ ESCON • CN 4200 deployed for all 10 ESCON onto a 2.7G wavelength • Convert 2 client ports to Gigabit Ethernet • Doubling ring capacity • Convert 2 ESCON ports to FICON client ports GbE East West FICON Enables Migration to EMC GDDR without wasting HW © Copyright 2008 EMC Corporation. All rights reserved. 20 Software Tunable Migration from GDPS to EMC GDDR 10 x ESCON Single 2.7G λ 4 x ESCON The FlexiPort advantage 2 x GbE Single 10G λ 2 x FICON 2 x FC ESCON Fibre Channel • CN 4200 deployed for all 10 ESCON onto a 2.7G wavelength • Convert 2 client ports to Gigabit Ethernet • Doubling ring capacity • Convert 2 ESCON ports to FICON client ports • Add 10G OTU2 modules • Reclaim previous 2.7G OTU1 network ports for additional client or line interfaces GbE FICON Enables Migration to EMC GDDR without wasting HW © Copyright 2008 EMC Corporation. All rights reserved. 21 Agenda y Ciena Introduction y Advances in Optical Networking y Mainframe Replication Solutions – – – – EMC in Geographically Dispersed Parallel Sysplex environments EMC Geographically Dispersed Disaster Restart (EMC GDDR) SRDF Synchronous, Asynchronous, Star ILM Implementations y Other WAN Networking Offerings from Ciena y Summary © Copyright 2008 EMC Corporation. All rights reserved. 22 SRDF Remote Replication Summary Synchronous (SRDF/S) z No data exposure z Limited distance Asynchronous (SRDF/A) z Seconds of data exposure z No performance impact z Unlimited distance Asynchronous Point-in-Time (SRDF/AR) z Hours of data exposure z No performance impact z Unlimited distance Source Target Limited Distance Target Source Unlimited Distance Source Prod Target Unlimited Distance SRDF/STAR z Simultaneous Synchronous and Asynchronous z Three site awareness © Copyright 2008 EMC Corporation. All rights reserved. Limited Primary 23 site 2nd Site Unlimited Unlimited Long-distance site Consolidation Techniques Using a router: Disk Mirroring VoIP LAN FC GbE FCIP GbE Aggregated Traffic GbE VoIP Ciena Security Open to normal shared IP security concerns Layer 1 Isolation Latency High latency of equipment, Retransmissions due to dropped packets Low latency, 0% dropped packets Bandwidth Provisioning Minimal control over bandwidth between applications Guaranteed dynamic bandwidth Operations Continually reengineering the network Provision it once Congestion Dropped packets Using the DBA on the CN 2000: Disk Mirroring Switch/Router CIENA CN 2000 Fibre Channel 65% GbE 20% GbE Aggregated Traffic 15% LAN Flow Control © Copyright 2008 EMC Corporation. All rights reserved. 24 Response (msec) Disk Mirroring (SRDF/Mirrorview) 3.5 Propogation Delay 3 WAN Service 2.5 Ciena enables: WAN Interface 2 Router 1.5 Switch y Decrease latency and increase throughput Extension 1 y Reduce complexity & uncertainty of Storage over IP performance FC switch 0.5 Protocol One Way Response 0 Storage over IP y Reduce fault isolation time Storage over IP GbE FC FC GbE WAN FC over IP Switch FC Router FC Switch LAN © Copyright 2008 EMC Corporation. All rights reserved. SONET SDH DWDM FC, ESCON, or GbE LAN 25 CN2000 Storage over SONET GbE ILM Replication Strategy Tier 1: FC or GbE Symmetrix SRDF 2 x FC or GbE Tier 2: CLARiiON CDL Invista / SAN FC Connectrix GbE Tier 3 / Other: Celerra Centera LAN Connectrix LAN Switch LAN Switch Challenges: Solution: Multiple EMC replication solutions and non-EMC traffic need to be combined over the same WAN DBA allows secure, aggregation of multiple services over the same WAN Different levels of performance (i.e. Latency, throughput) are required Each service can be dynamically provision its own bandwidth © Copyright 2008 EMC Corporation. All rights reserved. 26 GbE Aggregation (SRDF A, Connectrix FCIP, GbE RDF Group #2 p M M M M M MB/sec 500 400 300 200 100 - M M M M M MB/sec DASD RDF Group #1 M 500 400 300 200 100 - M MB/sec Centera, Celerra) 1,000 900 800 700 600 500 400 300 200 100 - FC/GbE WAN S & ape WAN GbE Switch / Router Challenges: Solution: Need to rate limit each port to ensure the WAN router is not overrun No rate limiting required Bandwidth per storage array is limited (i.e. 25% available if 4 storage arrays) DBA dynamically adjusts bandwidth as needed Need to complete a detailed assessment of the IP network to ensure packet loss Ciena ensure 0% packet loss therefore no assessment required GbE interfaces compress, require a switch/router Ciena provide a uncompressed version through EMC Select © Copyright 2008 EMC Corporation. All rights reserved. 27 Synchronous Remote Data Facility / Star Normal Operation: • Concurrent SRDF/S and SRDF/A from the same volume to remote locations • Best of both worlds, zero data loss within metropolitan distances and cost-effective replication at any distance with minimal exposure Long Distance Site SRDF Star Other Traffic ) (Mirrorview (FC), Tape (FC, FICON), LAN (GbE) Centera (GbE) of km ,0 00 s 80% 60% F/ A (O ve r1 40% 20% Gigabit Ethernet SONET / SDH 0% Time Normal Operation (DS3, OC-3/12/48, STM-1/4/16) SR D Disk Mirroring Tape Backup LAN 100% WDM Primary Data Center Bunker Site SRDF/S (Up to 200 km) © Copyright 2008 EMC Corporation. All rights reserved. 28 Synchronous Remote Data Facility / Star (SRDF/Star) Failure Scenario: SRDF Star • EMC Star software provisions bandwidth as needed from the WAN • Automatic redistribution of bandwidth using Dynamic Bandwidth Assignment (DBA) ensures optimal bandwidth usage Long Distance Site Other Traffic (Mirrorview (FC), Tape (FC, FICON), LAN (GbE) Centera (GbE) SR DF /A Gigabit Ethernet SONET / SDH 80% (O ve r1 ,0 00 (DS3, OC-3/12/48, STM-1/4/16) 60% 40% 20% s of km ) 0% Normal Operation WDM Primary Data Center © Copyright 2008 EMC Corporation. All rights reserved. Disk Mirroring Tape Backup LAN 100% Bunker Site 29 Time Failure DBA (Dynamic Bandwidth Assignment) EMC/ Ciena Test Setup Tier 1: FC Symmetrix SRDF FC FC Connectrix OC-48 DMX DMX Distance Simulator Tier 2/3: GbE Testset SRDF #1 SRDF #2 Testset (i.e. Tape, LAN) GbE Testset Test Setup: - 3 port sharing a single Dynamic Bandwidth Assignment group (112 Mbytes/sec post compression) - Symmetrix DMX running SRDF-A, 30 second RPO - GbE Testset – Simulate tape/LAN/etc - Distance simulator © Copyright 2008 EMC Corporation. All rights reserved. 30 Dynamic Bandwidth Assignment Test Results #1 – SRDF Priority Standard SRDF-A cyles Other Traffic turned on to 100% SRDF #1 SRDF #2 Testset (i.e. Tape, LAN) DBA Provisioning 49% 50% 1% Ciena DBA Health Monitor Additional Additional traffic traffic (i.e. (i.e. Tape Tape or or LAN) LAN) utilized utilized spare spare bandwidth bandwidth & & 1% 1% of of SRDF SRDF traffic traffic when when contention contention occurs occurs © Copyright 2008 EMC Corporation. All rights reserved. 31 Agenda y Ciena Introduction y Advances in Optical Networking y Mainframe Replication Solutions – – – – EMC in Geographically Dispersed Parallel Sysplex environments EMC Geographically Dispersed Disaster Restart (EMC GDDR) SRDF Synchronous, Asynchronous, Star ILM Implementations y Other WAN Networking Offerings from Ciena y Summary © Copyright 2008 EMC Corporation. All rights reserved. 32 Ciena WAN Offerings for Replication With Ciena, EMC can offer you: 1 2 WDM and Storage Extension Equipment Data Migration Management Service (DMMS) 4 WAN Networking Management Service (NMS) Dark Fiber Find Service 5 Wavelength Services from Carriers 6 GbE/SONET/SDH Services from Carriers 3 3 Carrier Private Line WAN Service 6 1 5 1 WDM over dark fiber © Copyright 2008 EMC Corporation. All rights reserved. 33 4 2 Case Study 1: Transition from Leased Service to WDM Challenge: G500 Financial Services Head Office Key Features: • Software tunable ports • Multi-Service aggregation per λ • Detailed performance monitoring Data Center #1 y Connecting data centers and head office for Disk Mirroring and LAN y Leased service from a Carrier = $1,800,000 Data Center #2 Solution: WDM y Ciena partner offered an alternative using WDM and dark fiber Customer saved $1.2M in networking costs © Copyright 2008 EMC Corporation. All rights reserved. 34 y Cost of CN 4200 & Services & Dark Fiber = $600,000 for 3 yr Case Study 2: Major Financial WDM Network SMARTS Service Assurance Management y Hardware Summary y Software: SMARTS Service Assurance Management – Direct support to Ciena CN 4200 nodes BDC RoomA CDC Room A 16x 10/40G Protected cted rote 0G P /4 0 1 4x 4x 1 0/40G Prot ecte d 16x 10/40G Protected BDC Room B CDC RoomB End State (not day1) © Copyright 2008 EMC Corporation. All rights reserved. 35 Bridgewater Data Center Carteret Data Center – Each building has (2) zones; Each zone will have 2x RS chassis; Network built as a 4-node ring – Network designed to support up to 40x 40G channels based on preliminary fiber data from ABV (no 2.5G DWDM support) – Supports IBM GDPS-STP aggregated onto a 10G wavelength – Client Support; 10/100 MbE, GbE, FC100/200/400/1200, FICON 1G/2G/4G, OC3/12/48/192, STP, OTU1, OTU2, 10GbE LAN/WAN PHY, ESCON – Selected due to in-service growth to 40Gbps services Case Study 3: Improving Performance Large Bank Preliminary Solution FC GbE FC GbE GbE SRDF/S Switch FC Switch FC over IP Router Router Switch FC FC FC over IP FC Switch GbE Ciena Solution NJ NY FC FC SRDF/S FC CN2000 FC Switch FC FC Switch LAN LAN y Deployment of a Synchronous SRDF environment between New York City and Disaster Recovery Data Center In New Jersey y Initial Design using Routers and FC encapsulated in IP y Total Distance between Data Centers = 26km y High Latency caused by IP encapsulation caused application timeouts and prevented synchronous replication y Ciena CN2000 deployment with native Fibre Channel Extension significantly reduced latency and enabled successful synchronous replication © Copyright 2008 EMC Corporation. All rights reserved. 36 Case Study #4: Mid-West Financial Services What did Ciena Deliver? A Private Network Solution 16 GbE SRDF GbE 2 x GbE or OC-48 4 GbE STK VSM Other Traffic (Centera) 4 FC or GbE Æ Can consolidate disk, tape, and other protocols onto a single WAN Æ Utilized Dynamic Bandwidth Assignment to automatically adjust bandwidth for performance or in the event of a failure 16 GbE GbE 2 x GbE or OC-48 4 GbE 4 FC or GbE © Copyright 2008 EMC Corporation. All rights reserved. Æ Eliminated rate limiting resulting in better performance and bandwidth utilization 37 Æ Ciena solution ensures 0 packet loss and is therefore easier to manage and design Dark Fiber Finder Service y Provide single source for locating dark fiber assets Dark Fiber Analysis y Access to over 2 million miles of fiber over 120 metro networks Dat Dat aa Cen Cen ter ter Loc Loc atio atio nn #1 #1 Worcester, MA Springfield, MA Concord, NH Dover, NH Keene, NH Manchester, NH Nashua, NH Portsmouth, NH Brattleboro, VT Burlington, VT Seattle Portland Portland Minneapolis/ St. Paul Milwaukee Rockford San Francisco Oakland Salt Lake City Omaha Denver San Jose Las Vegas Boston (7 locations) Detroit + 6 other cities Chicago Indianapolis + 36 cities New York City Pittsburgh Philadelphia Virginia 19 cities Kansas City St. Louis Los Angeles (48 locations) Tulsa San Diego Oklahoma City Phoenix Plano Dallas/Ft. Worth El Paso Irving Austin Houston San Antonio © Copyright 2008 EMC Corporation. All rights reserved. 7 cities in MD Baltimore Raleigh + 5 Nashville Other cities Atlanta (8 locations) Macon Montgomery Birmingham Clearwater Temple Terrace Orient Park Tampa St. Petersburg DC Bridgeport, CT Greenwich, CT Hartford, CT New Haven, CT New London, CT Stamford, CT Dover, DE Wilmington, DE NJ (13 cities) NY (26 cities incl. NYC) Cranston, RI Providence, RI Warwick, RI 24 cities in Florida Hillsborough County West Palm Beach Delray Beach Pompano Beach Ft. Lauderdale Hollywood Miami 38 Car Car rier rier PO PO PP Summary Benefits of the Ciena / EMC Solution y Reduction in WAN networking costs to save 30 – 60% in recurring costs – – – – Aggregating all of the applications on a single WAN >30% higher compression ratios Investment protection through flexibility and re-use Industry leading WDM platform, higher power & wavelength efficiency y Increasing EMC Replication Performance: – Enabling more I/O per second – Providing a more controllable, less complex WAN network solution – Providing higher availability, lower downtime y Available through EMC Select © Copyright 2008 EMC Corporation. All rights reserved. 39