Ensim Names Three Major Internet Infrastructure Vendors As

Ensim Names Three Major Internet Infrastructure Vendors As Founder Members Of Strategic Partner Programme Submitted by: Strategic Public Relations Ltd Tuesday, 23 May 2000

For more information, contact: Joe Samagond Ensim Corporation +1-650-210-0300 [email protected] Alex Murphy or Paul Shlackman Strategic Alliance International +44 (0) 1494 434 434 [email protected] Ensim Names Three Major Internet Infrastructure Vendors As Founder Members Of Strategic Partner Programme Programme aims to help Internet infrastructure vendors build scalable, profitable business models for ASPs London, UK - May 23, 2000 - Ensim Corporation announced today a new strategic partner programme, Ensim RackConnect, to build an ecosystem of Internet Infrastructure vendors committed to overcoming the technology constraints which currently limit web-hosting, content distribution and application service providers from building highly scalable and profitable businesses. The patent-pending Ensim instantTM family of Internet infrastructure solutions remove the complexities associated with every step of the hosting life-cycle - setup, operations, management and growth - and help service providers to grow their revenues faster than their infrastructure. RackConnect partner alliances complement and extend Ensim’s infrastructure offering. Leading Internet infrastructure vendors, including Alteon Web Systems, Portal Software, and Redback Networks are the first companies to become Ensim RackConnect partners. Spanning all areas of Internet infrastructure - from server and network equipment vendors to infrastructure and system software vendors - these companies provide crucial components for the hosting market. The necessity of and demand for a comprehensive portfolio of hosting infrastructure solutions, which allow service providers to build scalable and profitable businesses, has given rise to a growing number of vendors that have endorsed

Page 1 the Ensim instant family of products and services. "Ensim is a key player in the Internet infrastructure space, addressing critical challenges that confront service providers," said Selina Lo, VP Marketing of Alteon Web Systems. "The Ensim-Alteon partnership will redefine the way service providers build their infrastructure and deliver services." "Ensim uniquely fulfils a critical need that service providers have - metering usage at an application level," said Jill Kyte, vice president strategic alliances at Portal Software. "Ensim and Portal will deliver a comprehensive application level metering and billing solution for service providers. "We view Ensim as a strong technology partner," said Larry Blair, Vice President Marketing, Redback Networks. "Together, Ensim and Redback make it uniquely possible for DSL service providers to outsource customer’s Intranet applications, while guaranteeing both quality-of-service and privacy." "We consider the Ensim RackConnect program a key part of our efforts to build an ecosystem of Internet infrastructure vendors that are serious about solving the challenges service providers face," said Ken Fehrnstrom, president and CEO of Ensim Corporation. "Through this program, we are dedicated to working with the industry’s leading server, network equipment, and infrastructure/system software vendors, to help service providers build highly scalable and profitable hosting businesses." The Ensim RackConnect Partner Program offers: - 24x7 remote access to the Ensim RackConnect LabTM, where infrastructure vendors can test interoperability, and integrate their products, with Ensim’s products; - Access to Ensim’s engineering team to troubleshoot interoperability and integration problems and enhance functionality of integrated infrastructure solutions; - Access to Ensim’s Infrastructure Solutions marketing team, to define and build world-class hosting infrastructure solutions; - Co-marketing investments to promote the jointly developed hosting infrastructure solutions to mutual service provider customers and prospects; Alteon WebSystems: Founded as Alteon Networks in May of 1996, Alteon WebSystems, Inc. is a fast growing Web infrastructure company that invented "Web switching." Web switching is the ability to process, track and intelligently forward Web sessions at high speeds while applying sophisticated traffic control services to each session. As a leading provider of next generation Internet infrastructure equipment, Alteon’s products enable hosters, Internet Service Providers, content providers and e- businesses of all kinds to meet the demands resulting from the rapid growth of the World Wide Web. More information on Alteon Websystems can be found at http://www.alteonwebsystems.com

Page 2 Portal Software: Portal Software, Inc., is building business infrastructure for the Internet. Based in Cupertino, Calif., Portal is the leading provider of customer management and billing software for Internet and emerging, next-generation communications services. The company’s real-time solution enables service providers to manage customers, support services and collect money. Portal’s customers include US WEST, Qwest Communications, Inktomi, Covad, Deutsche Telekom’s T-Online, Telenor Mobil AS, Juno Online, France Telecom and Demon. Information about Portal and its products can be found at http://www.portal.com Redback Networks: Founded in 1996 and headquartered in Sunnyvale, Calif., Redback Networks, Inc., is a leading provider of advanced networking solutions that enable carriers, cable operators, and service providers to rapidly deploy broadband access and services. The company's market leading Subscriber Management Systems (SMS) connect and manage large numbers of subscribers using any of the major broadband access technologies such as Digital Subscriber Line (DSL), cable, and wireless. To deliver integrated transport solutions for metropolitan optical networks, Redback's SmartEdge multi-service platforms leverage powerful advances in ASIC, IP and optical technology. With its combined product portfolio, Redback Networks is the first equipment supplier focused exclusively on developing integrated solutions for the New Access Network. Redback Networks has European Headquarters and a Technical Assistance Centre in Rotterdam, Netherlands, with regional offices in France, Germany, UK and Benelux. Additional information on the company can be found at http://www.redback.com About Ensim Corporation Ensim Corporation has created a new category of Internet infrastructure products and services that help service providers instantly maximise revenue and profits for every server, in every rack, in every data centre. The Ensim instant family of products and services eliminates the complexities associated with each step of the application hosting life cycle, thereby allowing service providers to build highly scalable and profitable businesses. Ensim was founded in June 1998, by a team of inventors from Cornell University. Headquartered in Silicon Valley, Ensim Corporation is venture funded by New Enterprise Associates, CMEA Ventures and ONSET Ventures. For more information on Ensim, please visit the web site: http://www.ensim.com Ensim, Ensim ServerXchange and Ensim RackConnect are trademarks of Ensim Corporation. All other company and product names mentioned are the trademarks or registered trademarks of their respective companies.

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