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Improving cloud network with intelligent hashing

Posted: 07 Feb 2013     Print Version  Bookmark and Share

Keywords:Data centres  Equal Cost Multipathing  hashing 

Fuelled by these requirements, network operators are turning to switch architectures optimised for cloud networking such as the Broadcom StrataXGS architecture that features Smart-Hash technology, engineered specifically to addresses the intelligent hashing needs of high-performance cloud network designs today and moving forward. Smart-Hash enables Resilient Hashing to address link failure and live topology changes; Flexible Hashing to handle newer encapsulations and protocols; and Symmetric Hashing to incorporate packet traceability and stateful protocol debug.

Improving cloud network visibility, performance
Data centre networks are driving innovation, fuelled by the unprecedented growth of recent years. Large enterprises are building enormous data centres with massive scale. Others are choosing to host their data centres in the cloud. But it's the smarter and more sophisticated hashing technologies that provide greater flexibility and network visibility – without these advances, data centres of today's massive scale may suffer from inefficiencies and performance challenges when deploying new and rapidly evolving protocols.

Traditional static hashing schemes work well for enterprise and carrier networks, yet the same approach – often adopted for data centre networks – is proving the need for smarter solutions such as Broadcom's Smart-Hash technology. More intelligent solutions, optimised for cloud network environments and performance demands, are essential to managing the requirements imposed by current trends in cloud and data centre networking. This type of advanced technology offers an alternative to design approaches based on static hashing schemes, and enables ideal application performance under typical data centre traffic loads. Cloud network operators already face daunting challenges in scaling their network infrastructure to tomorrow's workloads – alternative hashing options support the need for cloud network flexibility, now and in the future.

About the authors
Sujal Das serves as Director of Product Marketing for Broadcom Corporation's Infrastructure and Networking Group (ING). In this role, Das is responsible for driving Broadcom's Ethernet switch business in the data centre and enterprise LAN market segments, and the development of product, ecosystem and strategy based on technology trends and application workloads. Das earned a Bachelor of Science EEE degree from the Birla Institute of Technology and Science in Pilani, India and an MBA from Santa Clara University. He has published and presented on numerous data centre networking and virtualisation related topics in well-known industry publications and events. Das has been active in the open source community, driving multiple initiatives that have helped proliferate the adoption of high-performance networking in data centre applications.

Rochan Sankar serves as Associate Director of Product Line Management for Broadcom Corporation's Infrastructure and Networking Group (ING). Sankar has 13 years of experience in defining and managing leading-edge semiconductor products for the networking and communications industries. Prior to Broadcom, he held senior positions in chip architecture, strategic marketing, and business development at broad-line and start-up semiconductor firms. Sankar earned a Bachelor of Applied Science and Engineering from the University of Toronto and an MBA from The Wharton School, University of Pennsylvania, and holds 5 U.S. patents in the area of VLSI architectures.

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