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Network World - The network router continues to evolve as traffic becomes greater and more varied. Here's a roundup of our most recent coverage (with a few classics tossed in) about routers from Cisco and others, as well as about router technology, management and security issues:
More Network World cheat sheets:
Is a router still a router even if forwarding packets is just one of its many jobs? More and more applications, such as firewalls, VPN concentration, voice gateways and video monitoring, are being piled onto routers. Cisco's Integrated Services Router (ISR), for example, even boasts an optional application server blade for running scores of Linux and open source packages.
The emergence of 10 Gigabit Ethernet, virtualization and unified switching fabrics is ushering in a major shift in data center network design: three-tier switching architectures are being collapsed into two-tier ones.
It's been said that Microsoft Word users only exploit 10% of the software's capabilities. The same might be true of those managing enterprise LAN switches and routers, a habit that might be costing organizations in unnecessary purchases and manpower at a time when every penny counts.
Here's our list of the biggest security incidents involving the Internet's core routing protocol, the Border Gateway Protocol. Some of these incidents were attacks; others were accidental misconfigurations. But all of them disrupted traffic to Web sites or entire networks because of incorrect routing messages being propagated across the Internet through BGP.
The U.S. federal government is accelerating its efforts to secure the Internet's routing system, with plans this year for the Department of Homeland Security to quadruple its investment in research aimed at adding digital signatures to router communications. DHS says its routing security effort will prevent routing hijack attacks as well as accidental misconfigurations of routing data. The effort is nicknamed BGPSEC because it will secure the Internet's core routing protocol known as the Border Gateway Protocol (BGP).
Some of high tech's biggest names – Microsoft, HP and Intel among them – are starting to embrace a technology called network coding in an effort to boost throughput, scalability and efficiency of everything from content distribution to wireless networks.
The creator of the multiprotocol router reflects on the development of the device that fueled the growth of networking.
Enterprises cut costs with open-source routers Open-source is everywhere -- operating systems, application software, development tools. So why not routers, too? It's a question that Sam Noble, senior network system administrator for New Mexico Supreme Court's Judicial Information Division, pondered while looking for a way to connect courthouses statewide to a new centralized case management system.