'Available bandwidth' presentation slideshows

Lab 2-4a EIGRP Frame Relay Hub and Spoke: Router Used As Frame Switch

Lab 2-4a EIGRP Frame Relay Hub and Spoke: Router Used As Frame Switch. Sang- Gon LEE Prof./ Ph.D Division of Computer and Information Engineering, Dongseo University, Director of Innovation Center for Engineering Education(ICEE). OBJECTIVES.

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Best Current Practices for IPv4 Multicast Deployment

Best Current Practices for IPv4 Multicast Deployment. Bill Nickless nickless@mcs.anl.gov http://www.mcs.anl.gov/home/nickless. What is Multicast?. A multicast sender simply sends its data, and intervening routers "conspire" to get the data to all interested listeners. (S. Deering)

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Video On Demand

Video On Demand. Video on Demand. One video server Many video data Many clients Client want to watch at any time. Assumptions. Constant bitrate stream Perfect network transport. Unicast Solution. One channel per client No start-up latency No client buffer Low client bandwidth

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Router-assisted congestion control

Router-assisted congestion control. Lecture 8 CS 653, Fall 2010. TCP congestion control performs poorly as bandwidth or delay increases. Shown analytically in [Low01] and via simulations. Avg. TCP Utilization. Avg. TCP Utilization. 50 flows in both directions Buffer = BW x Delay

477 views • 34 slides

Quality of Service

Quality of Service. Overview. Why QoS? When QoS? One model: Integrated services Contrast to Differentiated Services (more modern; more practical; not covered). What is QoS?. Providing guarantees (or rough bounds) on various network properties: Available bandwidth for flows Delay bounds

468 views • 30 slides

Medium Access Control for Ad Hoc Wireless Networks: A Survey

Medium Access Control for Ad Hoc Wireless Networks: A Survey. S. Kumar, V. Raghavan, J. Deng Ad Hoc Networks 4 (2006) 326-358. Medium Access Control. Coordinate access from active nodes Deal with channel contention Challenges

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Chapter 6: MAC Protocols for Ad-Hoc Wireless Networks

Introduction Issues Design Goals Classifications Contention-based Protocols. Contention-based Protocols with reservation mechanisms Contention-based Protocols without Scheduling mechanisms MAC Protocols that use directional antennas Other MAC Protocols.

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Bandwidth Estimation in Broadband Access Networks

Bandwidth Estimation in Broadband Access Networks. Venkat Padmanabhan Systems & Networking Group Microsoft Research Joint work with: Karthik Lakshminarayanan (Berkeley) & Jitu Padhye (MSR) June 2004. Outline. Bandwidth estimation Previous work Challenges in broadband access networks

862 views • 25 slides

The Fallacies of Enterprise Systems

The Fallacies of Enterprise Systems. Ted Neward http://www.neward.net/ted. Credentials. Who is this guy? Independent Consultant, Mentor, Architect Author Server-Based Java Programming (Manning, 2000) Effective Enterprise Java (Addison-Wesley, 2004)

390 views • 25 slides

Data Communication and Networks

Data Communication and Networks. Lecture 10 Network Congestion: Causes, Effects, Controls November 17, 2005. What Is Congestion?. Congestion occurs when the number of packets being transmitted through the network approaches the packet handling capacity of the network

422 views • 23 slides

Applications and communication patterns for WSN

Applications and communication patterns for WSN. N. Reijers. Consensus day TU Delft February 7, 2003. WSN applications and traffic. MAC simulation requires generating realistic WSN traffic Routing Data aggregation OS Expected to have special characteristics. Application scenarios.

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Specifying New Congestion Control Algorithms

Specifying New Congestion Control Algorithms. Sally Floyd and Mark Allman draft-floyd-cc-alt-00.txt November 2006 TSVWG Slides: http://www.icir.org/floyd/talks.html. What is the problem?. The problems: There are many proposed congestion control mechanisms.

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Multiplexing

Multiplexing. Consider a typist performs data entry from a terminal to a central computer. The line speed between the terminal and the computer is 9600 b/s. How fast the typist has to type to keep the line busy?

369 views • 9 slides

Shannon Theory

Shannon Theory. Risanuri Hidayat Reference L L Peterson and B S Davie, Computer Networks:a systems approach (Morgan Kaufmann), 1996. ISBN: 1-55860-368-9 (Paperback ISBN: 1-55860-404-9 ) pp 94-95. Shannon's Theorem.

872 views • 6 slides

Streaming Media on the Go: A Portable, Affordable, "Mini" Mobile Videobroadcasting Unit for Live Broadcasts an

Streaming Media on the Go: A Portable, Affordable, "Mini" Mobile Videobroadcasting Unit for Live Broadcasts and Archiving Events. Why Mobile Videobroadcasting?

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Using FEC for Rate Adaptation of Multimedia Streams

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