CacheFlow Teams with Alteon and Akamai to Offer Free Seminars on Building Content Intelligent Networks and Web Sites.

Business Editors/High-Tech Writers

SUNNYVALE, Calif.--(BUSINESS WIRE)--Sept. 29, 2000

Three Industry Leaders To Deliver "Pushed to the Edge" Series

in 14 Cities Across North America and Europe

CacheFlow(R) Inc. (Nasdaq:CFLO), Akamai Technologies Inc. (Nasdaq:AKAM), and Alteon WebSystems (Nasdaq:ATON) today announced a free series of half-day seminars in fourteen cities across the United States and Europe. The seminar series titled, "Pushed to the Edge: Delivering a Content-Conscious Internet," will teach enterprises, service providers, and e-commerce companies how to maximize revenue opportunities by building content intelligent networks and web sites.

"Managing and delivering content quickly and cost-effectively is now business-critical," said Patrick Harr, vice president of Marketing at CacheFlow. "As customers demand richer content like dynamic and streaming content, companies will face increasingly complex technology decisions. CacheFlow, Akamai and Alteon have combined years of expertise in content intelligent networking to develop complete interoperable solutions that can help businesses address the complexities and maximize their existing web infrastructure."

"Customers agree that delivering content to users from the closest possible point is a strategic imperative, but they're struggling with how to put all the various pieces together," said Selina Lo, vice president of Marketing at Alteon WebSystems. "CacheFlow, Alteon and Akamai each provide an essential piece of the puzzle. Together, we've decided to show customers how to put these pieces together to deliver a truly personalized Internet experience."

"Combining Akamai's high-speed content delivery services with leading content acceleration and switching solutions is the best path to a highly scalable Web site infrastructure," said Bob Hughes, director of Channel Sales and Programs, Akamai. "This series of seminars underscores the commitment of each of the companies involved to educate industry professionals on the intelligent networking options currently available."

Among the topics to be addressed:

-- accelerating HTTP and HTTPS traffic;

-- supporting dynamic and streaming content;

-- integrating content accelerators, content switches and content delivery
services;

-- protecting web sites from flash crowds;

-- maximizing uptime;

-- parsing URLs, host headers and HTTP cookies, and

-- increasing the performance of e-commerce sites.

The event will open with a pre-recorded presentation by Marc Andreessen, chairman and co-founder of Loudcloud Inc., a member of the CacheFlow Board of Directors and former chief technology officer with both America Online, Inc., and Netscape Communications.

Seating for the seminars is limited. Visit www.pushed2edge.com to register and obtain additional information regarding the U.S. based seminars. For the European seminars, visit www.seven-seconds.com or call 44-1628-583-518. The seminars run half-day and are free of charge to registered attendees. The seminars will be offered in the following locations:

United States

-- October 10th at the Grand Hyatt in San Francisco, Calif.

-- October 11th at the Park Hyatt in Los Angeles, Calif.

-- October 12th at the W Hotel in Seattle, Wash.

-- October 17th at the Hotel Inter-Continental in Addison, Texas.

-- October 18th at the Omni Hotel in Atlanta, Ga.

-- October 19th at the Hyatt Regency in Washington, D.C.

-- October 31st at the Inter-Continental Central Park South in New

York.

-- November 2nd at the Marriott in Cambridge, Mass.

Europe

-- October 10th at the Kempinski Vier Jahreszeiten in Munich.

-- October 17th at the Radisson SAS Portman in London.

-- October 18th at the Hotel Ambassador in Paris.

-- October 19th at the The Grand Amsterdam in Amsterdam.

-- October 24th at the Radisson SAS Sky City in Stockholm.

-- October 25th at the Arabella Sheraton Congress in Frankfurt.

About Akamai

Akamai is the foremost provider of global, high-performance services for the delivery of Internet content, streaming media, and applications, serving over 2,100 customers. Akamai has the broadest deployment of servers for content, streaming media, and applications delivery with more than 4,200 servers in 50 countries directly connected to 225 different telecommunications networks. Akamai (pronounced AH kuh my) is Hawaiian for intelligent, clever and cool.

About Alteon WebSystems

Alteon WebSystems, Inc., a leading supplier of next-generation Internet infrastructure solutions, pioneered the concept of content-intelligent Layer 4 through 7 Web switching in 1997. The Company's Web switching products enable ISPs, hosters and eBusinesses to more intelligently speed content to end users while scaling Web sites and services to meet the rapid growth of the Internet. Alteon's products include modular and stackable Web switches, integrated traffic management software and a line of service delivery products. Founded in May of 1996, Alteon WebSystems employs a staff of over 500 around the world and is publicly traded on The Nasdaq Stock Market under the symbol "ATON." Visit Alteon WebSystems on the World Wide Web at http://www.alteonwebsystems.com.

About CacheFlow Inc.

CacheFlow is focused on building a new layer of content intelligent infrastructure that makes the Internet content-smart. CacheFlow's market-leading appliances and innovative content delivery technologies enable enterprises, service providers and content providers to deliver the right content to the right place at the right time. Based in Sunnyvale, Calif., CacheFlow can be contacted via telephone at 408/220-2200, fax at 408/220-2250 or email at [e-mail].

The statements contained in this press release that are not purely historical are forward-looking statements, including statements regarding CacheFlow's expectations, beliefs, intentions or strategies regarding the future. All forward-looking statements included in this press release are based upon information available to CacheFlow as of the date hereof, and CacheFlow assumes no obligation to update any such forward-looking statements. Forward-looking statements involve risks and uncertainties, which could cause actual results to differ materially from those projected. These and other risks relating to CacheFlow's business are set forth in CacheFlow's Form S-1, as amended and declared effective by the Securities and Exchange Commission on November 18, 1999, the Form 10-Q for the period ended January 31, 1999, and other reports filed from time to time with the Securities and Exchange Commission.

Note to Editors: CacheFlow is a registered trademark of CacheFlow Inc. in the U.S. and worldwide. All other company and product names are used for identification purposes only and may be trademarks of their respective owners.