'Source routing' diaporamas de présentation

4. ROUTING PROTOCOLS

4. ROUTING PROTOCOLS. Scalability Fast route discovery and rediscovery (for reliability) Mobile user support (for seamless and efficient handover). Features for Optimal Routing in WMNs. Features for Optimal Routing in WMNs. Multiple Performance Metrics minimum hop-count ? ineffective!!

2.17k views • 193 slides

Mobile and Ad hoc Networks

Mobile and Ad hoc Networks. Background of Ad hoc Wireless Networks. Wireless Communication Technology and Research. Ad hoc Routing and Mobile IP and Mobility. Wireless Sensor and Mesh Networks. Student Presentations. Adhoc Network Routing. http://web.uettaxila.edu.pk/CMS/SP2012/teAWNms/.

1.47k views • 82 slides

Overview of Mobile Networking

Overview of Mobile Networking. ECE 544 2018 Prof. D. Raychaudhuri Slides courtesy of Dr. Sam Nelson. Mobile, Wireless Devices. Mobile wireless communication devices are becoming ubiquitous. Goals Allow communication to and from the Internet to mobile devices

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The CARS Model for article introductions

The CARS Model for article introductions. MOVE 1: Establishing a Territory MOVE 2: Establishing a Niche MOVE 3: Occupying the Niche. STEP 1: Claiming centrality STEP 2: Making topic generalizations STEP 3: Reviewing items of previous research STEP 1A: Counter-Claiming

1.78k views • 71 slides

IEEE 802.11 Wireless LAN

IEEE 802.11 Wireless LAN. Why Wireless LAN?. Traditional LANs need wires, which may be difficult to set up in some situations. Advantages of Wireless LANs Allow mobility and flexibility Reduced cost Applicable scenarios Offices Building with open area Hybrid with wired LANs.

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Routing in Large Scale Ad Hoc and Sensor Networks

Routing in Large Scale Ad Hoc and Sensor Networks. Ten H. Lai Ohio State University. Two Approaches. Traditional routing algorithms adapted to ad hoc networks Geographical routing. Review of Routing. Next-hop routing Source routing Flooding. Next-Hop Routing. X. a. ?. y. c.

880 views • 67 slides

Wireless Networks: Routing

Wireless Networks: Routing. Nick Feamster CS 7260 April 12, 2006. Administrivia. Quiz 2 Monday Will cover from Lecture 12 onwards Similar format as last time, 1+ fewer questions Problem Sets PS1 solutions posted this weekend PS2 graded during presentation week.

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Traditional Routing

Traditional Routing. A routing protocol sets up a routing table in routers A node makes a local choice depending on global topology. Distance-vector & Link-state Routing. Both assume router knows address of each neighbor cost of reaching each neighbor

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Traditional Routing

Traditional Routing. A routing protocol sets up a routing table in routers A node makes a local choice depending on global topology. Distance-vector & Link-state Routing. Both assume router knows address of each neighbor cost of reaching each neighbor

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Ad Hoc Wireless Networks (Infrastructureless networks)

Ad Hoc Wireless Networks (Infrastructureless networks).

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New Interdomain Routing Architectures

New Interdomain Routing Architectures. 2007. Well, BGP Has Some Problems. Instability Not guaranteed to converge to a unique, stable solution (e.g., oscillation and bi-stable solutions) Slow convergence Path exploration can take a very long time Non-linearity

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Security and Routing

Security and Routing. Source routing and tunnels Routing security Protocol Content IGP routing BGP routing Nothing new here: Going on for years on the telephone network. Security concepts. Authentication I am who I say I am Integrity

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Packet Filtering

Packet Filtering. CS-480b Dick Steflik. Stateless Packet Filters. A border router configured to pass or reject packets based on information in the header of each individual packet can theoretically be configured to pass/reject based on any field but usually done based on: protocol type

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Ad-hoc Routing

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Overview: Chapter 3

Overview: Chapter 3. Networking sensors Most likely wireless (radio, acoustic for underwater) Spatial scale dictates that communications occur via routing through other sensors Assumptions of radio range important. Simple: disk of radius r.

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October 10 th , 2006 Jinkyu Lee

Security in Mobile Ad Hoc Networks: Challenges and Solutions (IEEE Wireless Communications 2004) Hao Yang, et al. October 10 th , 2006 Jinkyu Lee. Contents. Introduction Attacks A Multi-fence Security Solution Network-layer security Message authentication primitives Secure ad hoc routing

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ROUTING ALGORITHMS IN AD HOC NETWORKS

ROUTING ALGORITHMS IN AD HOC NETWORKS. Presented by Vishwanee Raghoonundun Assisted by Maheshwarnath Behary & Y. Koteswara MSc Computer Networks Middlesex University. Introduction. Definition of Ad hoc networks Routing in Ad hoc networks Ad Hoc Routing Algorithms Source Routing

430 views • 18 slides

Natalia Stakhanova cs610

Enhancing Source-Location Privacy in Sensor Network Routing P.Kamat, Y. Zhang, W. Trappe, C. Ozturk In Proceedings of the 25th IEEE International Conference on Distributed Computing Systems. Natalia Stakhanova cs610. Sensor networks . Security threats concerns with data security

326 views • 17 slides

IP Protocol Details

IP Protocol Details. Yen-Cheng Chen ycchen@ncnu.edu.tw. IP Header. RFC 791. IP Version, IHL. Version: 4 bits Indicates the format of the internet header. IHL: 4 bits The length of the internet header in 32 bit words, and thus points to the beginning of the data.

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DSR Status Update

Monarch Project. DSR Status Update. David B. Johnson Rice University Department of Computer Science http://www.monarch.cs.rice.edu/ dbj@cs.rice.edu. 55th IETF. DSR: Dynamic Source Routing Protocol. Divides routing problem into two parts:

189 views • 8 slides