Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. May 22nd, 2013 STORAGE REPLICATION ACCELERATION Taking Control of the Problem Colm Foley \ Channel & Alliance Sales Manager

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. 100% FOCUSED ON WAN OPTIMIZATION Silver Peak is a leading vendor in WAN Optimization controllers WAN Optimization o Storage Replication o Branch-Office to Data-Center According to Gartner: o Use Silver Peak when data-center-to-data-center performance is critical and in branch-to-data-center networks… o Silver Peak has leveraged its leadership position in data-center-to-data-center optimization… SILVER PEAK

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. WHY ARE WE HERE?

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. STORAGE TRENDS Replication, DR, Backup

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. RPO (Recovery Point Objective) o How much data can you afford to lose? RTO (Recover Time Objective) o How much time does it take to get up and running again? RPO VS RTO

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. LOTS OF DATA Forrsights Hardware Survey, Q3 2012, Forrester Research, Inc. A commissioned study conducted by Forrester Consulting on behalf of Silver Peak Systems, Jan 2013

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. BETTER DR NEEDED Forrsights Hardware Survey, Q3 2012, Forrester Research, Inc. A commissioned study conducted by Forrester Consulting on behalf of Silver Peak Systems, Jan 2013

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. WHATS DRIVING INCREASE IN STORAGE

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. NOT REPLICATING EVERYTHING

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. 1/3 NOT REPLICATED MISSED RPO REPLICATION SHORTFALLS Forrsights Hardware Survey, Q3 2012, Forrester Research, Inc. A commissioned study conducted by Forrester Consulting on behalf of Silver Peak Systems, Jan 2013

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. WANT TO REPLICATE MORE Forrsights Hardware Survey, Q3 2012, Forrester Research, Inc. A commissioned study conducted by Forrester Consulting on behalf of Silver Peak Systems, Jan 2013

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. MUST BE EASY TO USE REPLICATION ACCELERATION Forrsights Hardware Survey, Q3 2012, Forrester Research, Inc. A commissioned study conducted by Forrester Consulting on behalf of Silver Peak Systems, Jan 2013

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. REPLICATION

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. SYNCHRONOUS The production site and replica are identical at all times Synchronous replication has an RPO of 0 REPLICATION DR DCDR

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. ASYNCHRONOUS The DR site is behind the DC site Asynchronous replication can have an RPO from seconds minutes, hours or days REPLICATION DCDR

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. Latency o Storage protocols are highly susceptible to latency o As latency increases performance decreases Loss o Packet loss has a dramatic impact on performance o Retransmits affect throughput Out of order o Out of order packets reduce performance of storage protocols Bandwidth o Replication can require high bandwidth REPLICATION PROBLEMS

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. LANWAN WHY IS A WAN NOT LIKE A LAN? LOSS MPLS 0.1% - 2% METRO ETHERNET 0.1% - 2% IP VPN 1.0% - 8.0% CONGESTION $/Port = High LATENCY ms LOSS None CONGESTION $/Port = low LATENCY ~1ms

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. DARK FIBER EVERYWHERE - $$$$$ REPLICATE AS IF ON A LAN Latency Loss Congestion Replication Demo: Dedicated

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. MPLS, IP-VPN, METRO ETHERNET WHAT YOU MAY BE REPLICATING ACROSS Replication Demo: MPLS Circuit Latency Loss Congestion

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. LATENCY HAS DIRECT IMPACT ON THROUGHPUT LATENCY …220ms…tested Bandwidth will be restricted to Mbit/s even if the contracted Bandwidth is greater

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. EFFECTIVE THROUGHPUT WITH LOSS LOSS NetForecast, Improving Effective WAN Throughput for Large Data Flows, by Peter Sevcik and Rebecca Wetzel, Nov 2008

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. 100MS LATENCY EFFECT OF LOSS

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. THE DIRTY LITTLE SECRET LATENCY + LOSS

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. MORE DATA BEING SAVED Users saving every , powerpoint, and word doc Compliance requiring more data stored eDiscovery requiring data to be accessed quicker CONGESTION WAN

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. DONT LET YOUR WAN SLOW DOWN REPLICATION

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. APPLY 1 OR ALL 3 TECHNIQUES THE SOLUTION NETWORK INTEGRITY FIX CONGESTION / PACKET LOSS Traffic Shaping/Quality of Service (QoS) Forward Error Correction (FEC) Packet Order Correction (POC) NETWORK MEMORY INCREASE BANDWIDTH Real-Time deduplication of all IP traffic TM NETWORK ACCELERATION EXTEND DISTANCE Mitigate protocol latency and chattiness LATENCY LOSS CONGESTION

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. FIXING LATENCY Transmit Ack Latency 100 ms* Total time: 500 ms Without Network Acceleration Transmit Ack Latency 100 ms* Total time: 100 ms With Network Acceleration *Latency is determined by: -Speed of light -Route taken -Congestion in network *Latency is determined by: -Speed of light -Route taken -Congestion in network

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. REAL-TIME FIXING PACKET LOSS28 Strictly Confidential © 2012 Silver Peak Systems Inc. Network congestion is experienced Silver Peak Based upon the level of congestion, FEC packets are sent for every N real packets FEC packets reconstitute lost packets at the far end, eliminating the need to retransmit lost data X Packet Lost WAN Silver Peak

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. REAL-TIME FIXING OUT-OF-ORDER-PACKETS29 Strictly Confidential © 2012 Silver Peak Systems Inc WAN

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. 3 PROBLEMS TO SOLVE Network Acceleration o Latency Network Integrity o Packet Loss o Out-of-Order Packets o QoS Network Memory o Deduplication FIXING REPLICATION

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. REPLICATION ACELERATION

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. VELOCITY REPLICATION ACCELERATION (VRX) FAMILY All VRX models are available with perpetual or subscription licenses All VRX models support VMware, Hyper-V, KVM, and Xen hypervisors

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. INFOWORLD TEST CENTER EDITOR KEITH SCHULTZ WRITES: If you are considering deploying a WAN optimization solution, you owe it to yourself to give a Silver Peak VX a test run. You won't be disappointed. I found the VX to provide a substantial improvement in overall WAN usage and reduction in time, even besting a [Riverbed Steelhead 2050] physical chassis in some tests. Installation was very straightforward. Rated a perfect 10 for Value. SILVER PEAK VX WINS EDITORS CHOICE

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. WHOS PROBLEM IS IT TO SOLVE? STORAGE ADMIN MISSING RPO How does Storage Admin solve a replication problem? 1. Ask CIO for larger RPO 2. Ask CIO to enforce end-users store less data 3. Ask Network Admin to spend $ and buy a dedicated WAN link 4. Ask Network Admin to spend $ and buy a bigger WAN link LAN

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. Being responsible for something you cant control STRESS

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. USE OWN BUDGET STORAGE ADMIN SOLVING REPLICATION PROBLEM How does Storage Admin solve a replication problem? 1. Ask CIO for larger RPO 2. Ask CIO to enforce end-users store less data 3. Ask Network Admin to spend $ and buy a dedicated WAN link 4. Ask Network Admin to spend $ and buy a bigger WAN link 5. Storage Admin spend $ and buy replication product that does dedupe 6. Storage Admin spend $ and buy replication accelerator

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. HOW IT WORKS: DEPLOYING REPLICATION ACCELERATOR Step 1: Install Silver Peak software on server (15 mins ) Step 2: Point Storage Replication to Silver Peak (5 mins) Step 3: Start optimizing LAN

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. RESULTS

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. SILVER PEAK VXOA SOFTWARE COMPLEMENTS SERVER, STORAGE AND NETWORKING Dell Global Preferred Partner for WAN Optimization o Resold globally by Dell o Strategic vendor for Dell Networking Aligned with Dell Storage o Proven with Compellent, EqualLogic Silver Peak Virtual VXOA Software Aligned with Dell o Server virtualization & Networking VNA Dell IT standardized on Silver Peak o For Dell corporate WAN Optimization DELL / SILVER PEAK STRATEGIC PARTNERSHIP

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. SILVER PEAK & DELL JOINT CUSTOMERS SPAN DELL SEGMENTS SOLUTIONS FROM ENTRY TO ENTERPRISE

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. REDUCE EQUALLOGIC REPLICATION TIMES FROM DAYS TO HOURS Replication Time (hours) Before: 5 days After: < 24 hours Before: 5 days After: < 24 hours Before: 10 days After: 5.5 hours Before: 10 days After: 5.5 hours Before: 90 hours After: 15 hours Before: 90 hours After: 15 hours (EQL lab testing)

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. REDUCE COMPELLENT REPLICATION TIMES FROM DAYS TO HOURS Replication Time (hours) Before: 180 hours After: 7 hours Before: 180 hours After: 7 hours Before: 7 hours After: 4 hours Before: 7 hours After: 4 hours

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. SIMULATED ATLANTA TO DALLAS OVER MULTIPLE BANDWIDTHS SILVER PEAK + DELL JOINT TESTING RESULTS *ATL to Dallas (40ms); 1TB data set; MPLS WAN with 0.1% loss

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. WRAP-UP

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. FIX LATENCY AND LOSS Latency Loss Bandwidth (Deduplication) MY DATA IS ALREADY DEDUPED

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. INCREASE REPLICATION PERFORMANCE BY 50% Most WANs cannot pass jumbo frames Overcome array PPS limitations Relieve Storage Processor networking tax MY ARRAY IS MAXED OUT WAN Jumbo Frames 1500 Byte Frames

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. Segment leading products Large portfolio of physical/virtual appliances Optimize all IP traffic Great strategic alliances SILVER PEAK IS A RECOGNIZED WANop LEADER USE SILVER PEAK when data center-to-data center performance is critical and in branch-to-date center networks when UDP traffic and error-prone links are important factors. – Gartner MQ Cisco F5 Ipanema Citrix BlueCoat Riverbed ABILITY TO EXECUTE COMPLETENESS OF VISION CHALLENGERSLEADERS NICHE PLAYERSVISIONARIES

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. NEXT STEPS 1. Throughput Calculator o Calculate your throughput with and without Silver Peak o 2. Schedule an SE technical meeting o Contact your Dell Rep -or- o Contact Silver Peak Rep

Strictly Confidential | © 2012 Silver Peak Systems, Inc. All Rights Reserved. THANK YOU! Colm Foley Silver Peak Channel & Alliance Sales