'Signaling channel' diaporamas de présentation

Columbia Verizon Research Security: VoIP Denial-of-Service (DoS)

Columbia Verizon Research Security: VoIP Denial-of-Service (DoS) . Eilon Yardeni Columbia University Gaston Ormazabal Verizon Labs. Agenda. Project Overview Background What is the problem? Goals The SIP Threat Model DoS attack taxonomy Mitigation strategy

620 views • 37 slides

Power-Aware Routing in Mobile Ad Hoc Networks

Power-Aware Routing in Mobile Ad Hoc Networks. S. Singh, M. Woo and C. S. Raghavendra Presented by: Shuoqi Li Oct. 24, 2002. Two foci. A power-aware MAC protocol: PAMAS Basic radio modes PAMAS Approach Performance Metrics for power-aware routing Motivation New Metrics Validation.

519 views • 33 slides

Telecommunication II

Telecommunication II. Telephony Fundamentals. Time slot allocation. Telephony Fundamentals. Time slot allocation Each call needs a time slot in both directions Same time slot number is used in both the direction Together the two time slot are known as a trunk. Telephony Fundamentals.

200 views • 18 slides

Mary Barnes (WG co-chair) Paul Kyzivat (WG co-chair)

142 views • 6 slides