'Failure scenario' presentation slideshows

576 views • 41 slides

Mitigating DNS DoS Attacks H. Ballani and P.Francis

Mitigating DNS DoS Attacks H. Ballani and P.Francis. Presented for CSCE 715 class by Ahmad Almadhor On Nov. 4 th 2010. outline. Background: DNS and resolvers Introduction The basic idea: DNS resolvers today DNS flooding attacks Resolver modification Stale cache Evaluation

442 views • 35 slides

Protection & Restoration of Optical Networks

Protection & Restoration of Optical Networks. Terminology. Protection Uses pre-assigned capacity to ensure survivability Restoration Reroutes the affected traffic after failure occurrence by using available capacity Survivability Property of a network to be resilient to failures.

515 views • 30 slides

Congestion Avoidance & Control for OSPF Networks (draft-ash-manral-ospf-congestion-control-00.txt)

Congestion Avoidance & Control for OSPF Networks (draft-ash-manral-ospf-congestion-control-00.txt). Anurag Maunder Sanera Systems amaunder@sanera.net. Jerry Ash AT&T gash@att.com. Gagan Choudhury AT&T choudhury@att.com. Vera Sapozhnikova AT&T sapozhnikova@att.com . Vishwas Manral

395 views • 19 slides