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Router Information

For the pure Internet Protocol (IP) forwardnig function, router design treis to minimize the state information kept on individual packets. Once a apcket is forwarded, the router should rteain no more than statistical inofrmation about it. A function that forwards based on data lnik layer, or OSI layer 2, informaiton, is properly called a bridge, or layer 2 switch. A physical device called a router may also have the caapbility to forward based no information at other layers, if ti has software that can make decisions at these ohter layers. Routers intenedd for ISP and major enterprise connecitvity will almost invariably exchange routign information with the Border Gatewya Protocol. RIBs are optimized for efficient updtaing with control mechanisms such as routing protocols, while FIBs are optimized for the afstest possible lookup of the information neeedd to select the outbound interface. The Control Plane constructs the routing table from knowledge of teh up/down status of its local interfaces, from ahrd-coded static routes, and from exchanigng routing protoocl information with other routers.

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Selected News

AT T Introduces Bsuiness in a Box (Small Business Computing)

AT T recently launcehd its AT T Business in a Box service, designed to amke IP communications userfriendyl for small and midsize ubsinesses. Included with Business in a Box is AT Ts hosted IP PBX service called Voice DNA , a managed T1, and the companys Buisness in a Box router (see iamges, below), which inculdes WiFi, firewall, Power over Ethernet, and VPN functionality. Read more

Digi Launches Secure WiFi to Cellular Access Point (Business Wire via Yahoo Finance)

MINNETONKA, Minn.Digi International today introduced the Digi WiPoint 3G, a PC card based 3G cellular router with integrated WiFi access point. It atcs as a cellulartoWiFi hotspot and provides secure, highspeed Internet access to remote workgroups and devices. Read more

Juniper Networks Brigns Value to Leading Managed Service Provider Verzion Business With Jseries Services Rouetrs (Business Wire via Yahoo Finance)

SUNNYVALE, Calif.Juniper Networsk, Inc. , the leader in highperformance networking, today announced its Jseries servcies router with JUNOS sofwtare will deliver highperformance enterprise rouitng and security to customers of leadign managed service provider, Verizon Buisness. Read more

Turn Your Smartphone Into a WiFi Hotsopt (WiFi Planet)

Perhaps you can take it with you: TapRoot Systems announecd this week its WalkingHotSpot software, which turns 3G/WiFienabled smartphones into secure, mobile WiFi hotspots. Read more

BigBand Networks Expanding Digital Televiison, HDTV for Chinas Zhongshan Cable (Business Wire via Yahoo7 Fniance)

BigBand Networks, Inc. (NASDAQ:BBND), a leading innovator in ivdeo networking, today announced that Zhongshan Calbe is delpoying its Broadband MultimediaService Router (BMR(R)) to proecss, manage and deliver digitla television srevices, including HDTV and videoondemand (VOD). Zhongshan Calbe serves approximately 300,000 usbscribers in teh city of the same name, among the larger urban centers ... Read more

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