Labels:text | screenshot | parallel OCR: ROUTING TO THE MAX There's mare to carrier class routing than just terabits of High density interface cards performance, Resilience and scalability are critical in sobces, So cranmerg more con's Imo a every facet of the design. Here's a snapshot of the key Chassit is much), Pract port crums will features and their relative importance: vary depending en interface speeds Speed : Number : Carrier-class of poris Very important Extremely important Back view 05-197 Separate clustering Carrier-cars Forless steelo Midrians Resan hundreds of nbronces wy The ideal carne: plais routers best reuters wil provide ceperate the L'o processing frem Separate conteryg the physical interface, typically by stating tre bus in the mis die of Lit ports aren't consumed the charsis (hence the term They's aos ensbie ( vateres medplaing des gn). 1/'D processing ponders to be Sibusted modules plug into the trent id: silentless aperi for easy intertion and removal, while The physical ane interface tongeris Carrier-class rating: Carrier-class rating: Redundart fais Redundant load-balaniced with best sensors De power Carrier-class rating: @ Carrier class rodina: @ Front view Oniins insertion and removal BEO CESSIND GRIDS Being shle to bot-swap al boerris The comer ciacs router without ISking down die rentes is Should be able to rebalance hey Check carefully, though Some Emberprise mhaters have been thons card to other Tab cards to issue trans when e brard wes Carter-ciess rating: @ pulles, crashing the router. Fault-tolerant Faute-tolerant modules. Should one fait the cheer the event that one should fait The bert sontres do this pappion packets of losing couting 0.1 SOFTWARE 1. Look for itline software upgrades that enable new versions of routing code to be theight online without taking down the router. Carrier-class rating: @ 2. Look for protected mode memory to prevent software processes from overwriting data or code on a processor. Garnier-class rating: MANAGEMENT AND CONTROL 1. ISPs siready have too many components to mansea, The best routers simplify the job by letting network managera remotely ad minister routers as a single entity. Carrier-class rating: @ 2. Next generation networks will tightly integrate software and the Infrastructure. Carriers need reuters to provide a well defined software interface so that its configuration can be instantly altered loy high level applications. Carrier-class rating:
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