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12th April, 2001

Virata Adds Complete Suite of Security Software from Ashley Laurent to its
Leading Integrated Software on Silicon Platform

Virata® Corporation (Nasdaq: VRTA) has announced that it has incorporated a comprehensive suite of security software into Release 8 of its Integrated Software on Silicon™ ISOS™ platform that will provide the industry with the first fully integrated firewall solution for broadband CPE products. Virata's customers will benefit by having immediate access to an ICSA-certifiable firewall for their broadband products that supports secure data connectivity and transmission over the Internet.

"By adding firewall capabilities to the ISOS platform, Virata has once again provided its customers with the most complete and comprehensive development platform available in the market," said Steve Makgill, vice president of software product marketing at Virata. "The ‘always on’ nature of broadband services has resulted in increased demand for data security among consumers, businesses and service providers. Now that Virata has integrated this technology into ISOS, our customers will be able to quickly add security features with minimal cost and development time."

The core of Virata's new security capability is software obtained through a license agreement with Ashley Laurent, a market leader in network security OEM software solutions. Under the terms of the agreement, Virata has licensed all of Ashley Laurent's security technology, including its CyberWall Firewall. CyberWall offers a number of user benefits, including a Stateful Packet Inspection Firewall, with protection against Denial of Service (DoS) Attacks and Intrusion Detection with the ability to authenticate all local network and file systems without modifications or configuration changes to applications; the ability to easily configure the level of security required; track and log network activity; build security policies of packet filtering rules; and fully upgrade the security software.

In addition, CyberWall includes network address translation (NAT) functionality for connecting multiple computers behind a single Internet connection and establishing a firewall for enhanced network protection. Support for De-Militarised Zones (DMZ) enables local services to be accessed from the Internet. This high level of functionality will help ISPs and telcos protect their networks against hackers, and assure their customers that the information being transported over the Internet is safe and secure from unauthorised intruders. Internet security is particularly important to the SOHO and enterprise customer utilising e-commerce to conduct business

Also, as user activities over the Internet continue to expand beyond data exchange, Virata's ISOS 8.0 with CyberWall addresses the need for consumer firewalls to support a broad range of new protocols for games, videos and music. This is done through a unique, patent pending feature of CyberWall called Smart Tracking ALG (Application Level Gateway), which automatically configures and adapts itself to accommodate these new protocols, thereby
enabling the residential network to better support future multimedia demands. Release 8 of ISOS, which will incorporate all of this firewall and offer optional IPSec functionality, will be available in the second quarter of 2001.

"Ashley Laurent is pleased to have been selected by Virata to be the de facto standard security offering for the DSL marketplace," said Jeff Goodwin, CEO of Ashley Laurent. "As the broadband market expands, so does the demand for value-added network services. This partnership allows broadband equipment vendors to respond to this demand with a powerful
service delivery suite that addresses their customer's needs."

About Virata's ISOS Platform
Virata's ISOS is the common element among all of Virata's industry leading communications processors. The richly featured ISOS networking and applications software suite enables Virata's customers to reduce first time design cycles. Additionally, the fact that ISOS extends across Virata's entire communications processor family makes the savings even more dramatic
for subsequent product generations. This enables Virata customers to take their own value-added software into their new designs without having to repeat existing software engineering efforts. The unique ISOS product line, which uses Virata's ISOS software, consists of the following: Azurite™, Virata's pre-integrated voice-over-DSL solution; Aluminum™, Virata's
symmetric DSL family; Beryllium™, a communications processor integrated with an ADSL PHY; Helium™ , the low-cost, PHY-neutral communications processor family; Lithium™, a low-cost, PHY-neutral communications processor for PCI applications; and Magnesium™, the industry's first ISOS voice processing product.

About Ashley Laurent's Cyberwall
Ashley Laurent's CyberWall Firewall is an integrated component of the BroadWay Service Delivery Suite. The BroadWay Service Delivery Suite is a fully integrated Internet management platform and security and provisioning solution for the broadband chip, device, and high-speed switching equipment market. Using a zero-touch approach to device management, the Broadway
Service Delivery Suite is engineered to provide coordinated delivery of integrated network layer and security layer related services. Service providers can create a high-margin revenue stream by leveraging the Broadway Suite to deliver value-added services to customers. They will also benefit through reduced support and infrastructure costs, as well as reduced customer churn and increased customer loyalty.
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Notes to Editors

About Virata
Virata provides communications software and semiconductors to manufacturers of DSL, wireless, satellite, and other broadband networking equipment. Virata’s suite of processor-independent software products provide developers with complete, field-proven implementations of networking functions, including ATM, MPLS, and web servers, removing the need to write and validate new software code.

Virata also pre-integrates its extensive suite of communications software with its powerful and cost-effective communications processors to create ISOS products. These ISOS solutions assist customers in developing a diverse range of broadband wireless and wireline equipment including DSL modems, gateways, routers, and integrated access devices targeted at the voice and high-speed data network access and customer premises markets. Virata’s products also help equipment manufacturers to simplify product development, reduce the time it takes for products to reach the market and focus resources on product differentiation and improvement.

Virata is a principal member of the ATM Forum, Bluetooth SIG organisation, the DSL Forum, HomePNA, ITU, MPLS Forum, OpenDSL consortium and UPnP Forum. A publicly traded company on the Nasdaq Stock Market, Virata was founded in 1993 and is headquartered in Santa Clara, California.
For more information, please visit

About Ashley Laurent
Ashley Laurent, founded in 1992, is a leading provider of network and security software platforms, modules and integration services for integrated chip, broadband device, and
high-speed switching equipment manufacturers. The company offers a unique set of software solutions that include a comprehensive Service Delivery Framework as well as individual
components such as NAT, VPN, Bandwidth Control, and Content Filtering. Ashley Laurent's solutions are designed for portability and can be easily customised for any hardware configuration. By partnering with Ashley Laurent, manufacturers can reduce time-to-market, contain costs, and create recurring high-margin revenue. Ashley Laurent, Inc. is a privately held
corporation in Austin, Texas.
For more information call (512) 322-0676 or visit

For more information, please contact:
Daniel Walker/Sarah Griffiths
Nelson Bostock Communications
Tel: + 44 (0) 20 7229 4400 /

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