The new switch capabilities should help with this process. For example, Alcatel's Automated Quarantine Engine switch technology works with IDSs (intrusion-detection systems) to isolate worm-infected machines for remediation. Cisco has enabled its Catalyst switches to defend against worms and DDoS attacks. And Enterasys' Automated Security Manager can use an IDS to help provide policy-based control on its switches.
These capabilities could be a new line of defense for enterprises fighting traffic-based attacks. IT departments should welcome switch vendors to the war.
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Subsea cable alternatives can provide a level of comfort for those concerned about disruptions. Realistically, they will continue to play a small, but critical role in the short term.
