Allens Arthur Robinson

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2 CASE STUDY IN BRIEF Industry»» Legal Challenges»» Consolidate the data center environment while still delivering high-end application performance»» Replicate 2.5 terabytes of data via EMC SRDF/A over the existing WAN infrastructure»» Avoid a massive bandwidth upgrade to a 40 Mbps link for DR Solution»» Steelhead appliances enable a global data center consolidation with no performance penalty and accelerate the replication of mission-critical data Benefits»» Data center consolidation achieved with improved application response times»» Approximately $100k in annual bandwidth savings for the data replication link alone»» Business performance and resiliency enabled over the existing IT infrastructure Allens Arthur Robinson Riverbed Steelhead Appliances Optimize EMC SRDF/A for Leading Law Firm Founded in 1822, Allens Arthur Robinson offers one of the most comprehensive legal networks in Australia and Asia with more than 1,000 personnel based in 14 cities and eight countries across the region. Clients voted Allens Arthur Robinson the Best Professional Services Firm (revenue over $200M) and Best Law Firm (revenue over $100M) in the annual BRW Client Choice Awards 2005, 2006 and They have been an EOWA Employer of Choice for Women since Challenge: Application Performance and Resiliency Like many organizations, Allens was looking to consolidate its infrastructure to save on hardware and maintenance costs and simplify management. The IT team knew that any deterioration in performance wouldn t be acceptable to its top tier legal staff, but it also knew that upgrading bandwidth wouldn t resolve the problem either. Our firm is headquartered in Australia and operates Our firm is headquartered in Australia and operates throughout Asia, so throughout Asia, so bandwidth bandwidth is quite expensive and can is quite expensive and can have have high latency. We also knew that if high latency. we were to consolidate, we had to deliver top tier performance to our lawyers. On top of that, upgrading links still wouldn t address many of the application performance problems we d be encountering anyway. So, we knew we had to find another solution, said Shawn Schmidt, Infrastructure Manager. In addition, Allens wanted to improve its disaster recovery processes by utilizing EMC SRDF/A replication over the WAN. The challenge lay in getting the data from Sydney to Melbourne while avoiding costly network upgrades. IT Environment: EMC Symmetrix Arrays and SRDF/A Allens relies on EMC Symmetrix arrays to house the data for both core and non-core applications. The arrays are DMX-3 950s with approximately 18 TB of usable storage. The core application data being replicated consists of SQL database logs, Hummingbird DM5 a document management system, and Exchange. Using hardware compression already built-in to the EMC Symmetrix DMX platform, Allens was initially seeing a 2:1 compression ratio for their SRDF/A traffic.

3 CASE STUDY: Allens Arthur Robinson Solution: Steelhead Appliances Lower the Bandwidth Threshold for SRDF/A Given the compression ratio and the rate of change in the data that Allens was looking to replicate, EMC recommended a 40 Mbps WAN link for SRDF/A. Schmidt elaborated, We were looking to replicate 10 LUNs, about 2.5 terabytes of data. EMC spec d out the requirements and told We re seeing 4 to 6 times data reduction for SRDF/A, and instead of putting in a 40 Mbps pipe, we re replicating data over our existing 12 Mbps link us that we d need a 40 Mbps link. That would run us about $8,000 a month, so we wanted to see whether or not the Steelhead appliances could help. After disabling the Symmetrix compression and letting the Steelhead appliances streamline the data, Allens was able to achieve significant data reduction for SRDF/A. Using the Steelhead appliances, we re seeing a 4-6:1 data reduction for SRDF/A, and instead of putting in a 40 Mbps pipe, we re replicating data over our existing 12 Mbps link, Schmidt added. By achieving both consolidation and data replication, Allens has gotten even more leverage out of their investment in Steelhead appliances. This is the second project that we re using Steelhead appliances for. The first was our consolidation, and now, the EMC replication. The beauty is that we use the same Steelhead appliance in our data center core to perform both functions. Steelhead appliances achieved a 4.8x capacity increase for EMC s SRDF/A with a peak data reduction of 94%

4 Benefits: Consolidation and Bandwidth Savings without a Performance Penalty Riverbed Steelhead appliances have enabled Allens Arthur Robinson to consolidate their server infrastructure while still delivering the expected level of application performance to their 1,000 lawyers The technology really makes things that would be quite difficult a lot easier. operating throughout Asia. In addition, they ve built redundancy into the environment by leveraging Steelhead appliances along with EMC s SRDF/A. Schmidt said, We continue to be pleased with the performance of the Steelhead appliances. The ease with which they were implemented and the fact that we can use them across multiple applications and projects has been a huge bonus. We just plugged them in, turned them on, and began seeing the benefits. With LAN-like performance for its lawyers throughout its distributed operations and redundancy of its mission critical data, Allens Arthur Robinson has achieved success on two key IT initiatives. Schmidt added, The technology really makes things that would be quite difficult a lot easier and it opens up a lot of possibilities. SUMMARY Allens Arthur Robinson (Allens) wanted to improve collaboration between their law offices and among employees while also consolidating their IT infrastructure. As a law firm highly reliant on and collaborative database applications, Allens needed to ensure high levels of performance for its attorneys. At the same time, Allens was looking to ensure the availability of its mission critical applications and data via two EMC Symmetrix s and SRDF/A for data replication. Based on initial specifications, the SRDF/A requirements called for a 40 Mbps WAN link to the DR facility. After deploying Steelhead appliances from Riverbed, Allens Arthur Robinson has consolidated its IT infrastructure without impacting the performance for its lawyers and was able to replicate mission critical data using SRDF/A over its existing wide area network (WAN) links.

5 About Riverbed Riverbed Technology is the IT performance company. The Riverbed family of wide area network (WAN) optimization solutions liberates businesses from common IT constraints by increasing application performance, enabling consolidation, and providing enterprise-wide network and application visibility all while eliminating the need to increase bandwidth, storage or servers. Thousands of companies with distributed operations use Riverbed to make their IT infrastructure faster, less expensive and more responsive. Additional information about Riverbed (NASDAQ: RVBD) is available at , 2006, 2007, 2008, 2009 Riverbed Technology 199 Fremont Street San Francisco, CA Tel: Fax: Riverbed Technology Ltd. Farley Hall, London Road Binfield Bracknell Berks RG42 4EU Tel: +44 (0) Riverbed Technology Pte. Ltd. 391A Orchard Road #22-06/10 Ngee Ann City Tower A Singapore Tel: Riverbed Technology K.K. Shiba-Koen Plaza Building 9F 3-6-9, Shiba, Minato-ku Tokyo, Japan Tel: Riverbed Technology. All rights reserved. Portions of Riverbed s products are protected under Riverbed patents, as well as patents pending. Riverbed Technology, Riverbed, Steelhead, RiOS, Interceptor, Think Fast, the Riverbed logo, Mazu, Profiler, Atlas and Cascade are trademarks or registered trademarks of Riverbed Technology. All other trademarks used or mentioned herein belong to their respective owners. CS-AAR032309