'Packet marking' diaporamas de présentation

Introduction to IP Traceback

Introduction to IP Traceback. ???? ? ?? ??? ??. Outline. Introduction Ingress Filtering Packet Marking Packet Digesting Summary. Introduction. Introduction . Internet becomes ubiquitous The impact of network attackers is getting more and more significant Two kind of attackers

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Department of Electrical Engineering Computer Networking Lab

Integrated-Service versus Differentiated-Service Networks. ??? ?? ?????? ??????. Department of Electrical Engineering Computer Networking Lab National Sun Yat-Sen University Prof. Tsang-Ling Sheu. Outline. Integrated Services Traffic Model RSVP Differentiated Services

621 views • 48 slides

Introduction to IP Traceback

Introduction to IP Traceback. ???? ? ?? ??? ?? 2004/3/26. Outline. Introduction Ingress Filtering Packet Marking Packet Digesting Summary. Introduction. Introduction . Internet becomes ubiquitous The impact of network attackers is getting more and more significant

692 views • 42 slides

Providing QoS in IP Networks

Providing QoS in IP Networks. Future: next generation Internet with QoS guarantees Differentiated Services: differential guarantees Integrated Services: firm guarantees simple model for sharing and congestion studies:. Principles for QoS Guarantees.

420 views • 41 slides

Defending against Large-Scale Distributed Denial-of-Service Attacks

Defending against Large-Scale Distributed Denial-of-Service Attacks. Department of Electrical and Computer Engineering Advanced Research in Information Assurance and Security (ARIAS) Lab Virginia Tech Jung-Min Park. Overview of DoS Attacks. What is a DoS attack?

535 views • 39 slides

Defending against Large-Scale Distributed Denial-of-Service Attacks

Defending against Large-Scale Distributed Denial-of-Service Attacks. Department of Electrical and Computer Engineering Advanced Research in Information Assurance and Security (ARIAS) Lab Virginia Tech Jung-Min Park. Overview of DoS Attacks. What is a DoS attack?

535 views • 39 slides

Beyond Best Effort Technologies

Beyond Best Effort Technologies. Our primarily objective here is to understand more on QoS mechanisms so that you can make informed decision on opting for network devices and gadgets that support it. Chapter 6 of Kurose & Ross. QoS.

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Advisor: Prof. Frank Y. S. Lin Presented BY Fan chiang , chun-wei

480 views • 33 slides

Traceback

Traceback. Pat Burke Yanos Saravanos. Agenda . Introduction Problem Definition Benchmarks and Metrics Traceback Methods Packet Marking Hash-based Conclusion References. Why Use Traceback?. General Network Monitoring Check users on FTP server Network Threats SPAM DoS

437 views • 33 slides

Internet Quality of Service (QoS)

Internet Quality of Service (QoS). By Behzad Akbari Fall 2008. These slides are based on the slides of J. Kurose (UMASS). Providing multiple classes of service Providing QoS guarantees. Outline. Providing Multiple Classes of Service. thus far: making the best of best effort service

438 views • 32 slides

Multimedia networking: outline

7.1 multimedia n etworking applications 7.2 streaming stored video 7.3 v oice-over-IP 7.4 protocols for real-time conversational applications: RTP 7.5 network support for multimedia. Multimedia networking: outline.

514 views • 31 slides

Real-Time Protocol (RTP)

Real-Time Protocol (RTP). Internet-standard packet format for real-time applications typically runs over UDP Payload Type : 7 bits, providing 128 possible different types of encoding; eg PCM, MPEG2 video, etc. Sequence Number : 16 bits; used to detect packet loss. Real-Time Protocol (RTP).

351 views • 29 slides

CSE 401N Multimedia Networking-2

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Diffusion Early Marking

Diffusion Early Marking. Gonzalo Arce arce@ece.udel.edu. Rafael Nunez nunez@ece.udel.edu. Department of Electrical and Computer Engineering University of Delaware May / 2004. Diffusion Early Marking. Introduction Diffusion Early Marking Model Optimizations. Parameters Estimation

384 views • 24 slides

Adaptive Packet Marking for Providing Differentiated Services in the Internet

Adaptive Packet Marking for Providing Differentiated Services in the Internet. Wu-chang Feng, Debanjan Saha, Dilip Kandlur, Kang Shin October 13, 1998. QoS and the Internet. RSVP: signaling protocol for resource reservation IntServ: services provided to applications Advantages:

317 views • 24 slides

Outline

Outline. Background Traceback (Related work) DPM,PPM,DPPM EAST Performance Conclusion. Background. DoS problem has been divided into three. Prevention Detection Mitigation Traceback which is under Mitigation. Traceback (Related work).

360 views • 18 slides

Preventing Denial of Service Attacks

Preventing Denial of Service Attacks. Source Paper: Detecting and Preventing IP-spoofed Distributed DoS Attacks Authors:Yao Chen, Shantanu Das,Pulak Dhar , Abdulmotaleb El Saddik,and Amiya Nayak by N.V.Krishna Rao (08033D0501) Under Supervision and Guidance of

290 views • 16 slides

Implementing QoS

Implementing QoS. Jean Walrand EECS. Outline. What? Bandwidth, Delay Where? End-to-End, Edge-to-Edge, Edge-to-End, Overlay Mechanisms Access Control Packet Marking Vegas Incentive-Compatible Protocols DiffServ, MPLS Pricing Flat, Usage, Congestion. What?. Throughput: R Mbps

247 views • 14 slides

Framework for Proposed TE and QoS Tests - Project Deliverables -

Framework for Proposed TE and QoS Tests - Project Deliverables -. * To demonstrate end-to-end traffic management across multiple domains using live Grid traffic (TM2) To demonstrate end-to-end QoS and traffic management between the UK and USA (TM3)

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EE122 Project

EE122 Project. High Level Description. Goal. To use an interactive network simulation environment that allows students to how end-to-end and network control mechanisms affect various measures of latency and loss How do AIMD protocols perform? Compare various marking-based feedback schemes

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