N. BILLERICA, Mass. -- Avici Systems (Nasdaq:AVCI - news), a leading provider of scalable and reliable core routingsolutions for the Internet, today announced the SSR(TM) stackable switchrouter. The SSR(TM) is the industry's first stackable, scalable andrack-mountable OC-192c router, delivering industry-leading reliability andeconomics in a compact and affordable form factor.The SSR is ideally suited for installation in regional/metro Points ofPresences (PoPs) within large RBOC, IXC, PTT and ISP networks, and bycarriers and service providers with smaller core network needs. The SSRmaximizes carriers' operational savings and investment protection by usingthe same router modules, distributed Velociti(TM) architecture and provenIPriori(TM) software as Avici's flagship product, the TSR® scalable corerouter.IntelliSpace, the world's first Ethernet IP broadband services provider, istesting the SSR in its network, which services more than 50,000 businessusers in more than 1,000 IntelliSpace wired buildings across 15 markets and150 cities/communities."During the past seven years, IntelliSpace has focused on providing thefastest, most reliable and cost-effective broadband services to customers,"said Carlo Lalomia, CTO and co-founder of IntelliSpace. "The SSR'sscalability and reliability is attractive to us, as it can enable us todrive new services to our customers. In our network, the SSR can enhance theflexibility and applications available to businesses throughout theIntelliSpace network."Avici Systems Inc.