'Ttl values' presentation slideshows

The Hunt For RingZero

514 views • 35 slides

Hop-Count Filtering: An Effective Defense Against Spoofed DDoS Traffic

490 views • 34 slides

Resilient Multicast Support for Continuous-Media Applications

420 views • 33 slides

User-Perceived Latency

User-Perceived Latency. Long perceived latency is the most serious WWW performance problem. The delay from the time a request is issued until response is received. HTTP Request-response. Server. Client. DNS lookup (address to name) TCP connection setup

455 views • 32 slides

User-Perceived Latency

User-Perceived Latency. Long perceived latency is the most serious WWW performance problem. The delay from the time a request is issued until response is received. HTTP Request-response. Server. Client. DNS lookup (address to name) TCP connection setup

336 views • 32 slides

Low Delay Marking for TCP in Wireless Ad Hoc Networks

Low Delay Marking for TCP in Wireless Ad Hoc Networks. Choong-Soo Lee , Mingzhe Li Emmanuel Agu, Mark Claypool, Robert Kinicki Worcester Polytechnic Institute Apr 17, 2004. Introduction. Wireless Ad Hoc Network uses TCP

420 views • 27 slides

Reconnaissance, Network Mapping, and Vulnerability Assessment

863 views • 26 slides

Proactive DNS Caching: Addressing a Performance Bottleneck

Proactive DNS Caching: Addressing a Performance Bottleneck. Edith Cohen AT&T Labs-Research. Haim Kaplan Tel-Aviv University. Talk Overview. Overview and Motivation DNS architecture DNS lookup latency Proactive DNS caching Renewal Policies Simultaneous Validation Conclusion.

365 views • 25 slides

Proactive DNS Caching: Addressing a Performance Bottleneck

Proactive DNS Caching: Addressing a Performance Bottleneck. Edith Cohen AT&T Labs-Research. Haim Kaplan Tel-Aviv University. Talk Overview. Overview and Motivation DNS architecture DNS lookup latency Proactive DNS caching Renewal Policies Simultaneous Validation Conclusion.

253 views • 25 slides

Zombie Scan

Zombie Scan. Judy Novak Vern Stark David Heinbuch. June 12, 2002. SubSeven Incident. June 29, 2001 ~ 12:00 Shadow reveals massive scan Hundreds of hosts concurrently scan SubSeven port of Class B network Flood, DDoS, scan? Similar scan on July 2, 2001 ~ 16:00

442 views • 21 slides