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Optimization and Distributed Algorithms for Resource Allocation in Multi-hop Wireless Networks

Optimization and Distributed Algorithms for Resource Allocation in Multi-hop Wireless Networks

Optimization and Distributed Algorithms for Resource Allocation in Multi-hop Wireless Networks. R. Srikant Department of ECE and CSL University of Illinois at Urbana-Champaign. Motivation. Objective: Fair and Efficient Resource Allocation in Multi-hop Wireless Networks Questions:

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755 views • 46 slides
CS4550: Computer Networks II network layer basics 3 routing & congestion control

CS4550: Computer Networks II network layer basics 3 routing & congestion control

CS4550: Computer Networks II network layer basics 3 routing & congestion control . basic routing techniques . fixed random flooding adaptive routing in ARPAnet distance vector link state optimal. basic routing techniques : fixed .

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485 views • 31 slides
State-Space Collapse via Drift Conditions

State-Space Collapse via Drift Conditions

State-Space Collapse via Drift Conditions. Atilla Eryilmaz (OSU) and R. Srikant (Illinois). Goal. Motivation. Parallel servers Jobs are buffered at a single queue When a server becomes idle, it grabs the first job from the queue to serve All servers are fully utilized whenever possible.

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375 views • 31 slides
Random Early Detection Gateways for Congestion Avoidance

Random Early Detection Gateways for Congestion Avoidance

Random Early Detection Gateways for Congestion Avoidance. Jinyoung You CS540, Network Architect. Contents. Introduction of the Problem Previous works Design goals of the RED gateway The RED algorithm Simulation Results Calculation Parameter sensitivity Conclusions. Problem.

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380 views • 26 slides
Worst Case Buffer Requirements for TCP over ABR

Worst Case Buffer Requirements for TCP over ABR

Worst Case Buffer Requirements for TCP over ABR. Bobby Vandalore, Shiv Kalyanaraman, Raj Jain, Rohit Goyal, Sonia Fahmy The Ohio State University Contact: Jain@cse.ohio-State.Edu http://www.cse.ohio-state.edu/~jain/. Overview. Why ATM ABR and ERICA TCP over ABR/ERICA

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346 views • 21 slides
CSE679: Buffer Management

CSE679: Buffer Management

CSE679: Buffer Management. Drop Tail RED Advanced RED. Network Congestion. Congestion results in buffer backlog Eventually, packets have to be dropped Packet drops indicate congestion to senders Senders eventually backoff to reduce congestion

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303 views • 15 slides
CSE679: Buffer Management

CSE679: Buffer Management

CSE679: Buffer Management. Drop Tail RED Advanced RED. Network Congestion. Congestion results in buffer backlog Eventually, packets have to be dropped Packet drops indicate congestion to senders Senders eventually backoff to reduce congestion

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161 views • 15 slides
EE689 Lecture 5

EE689 Lecture 5

EE689 Lecture 5. Review of last lecture More on HPF RED. Network Congestion. Congestion results in buffer backlog Eventually, packets have to be dropped Packet drops indicate congestion to senders Senders eventually backoff to reduce congestion

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254 views • 14 slides
Random Early Detection (RED)

Random Early Detection (RED)

Random Early Detection (RED). Router notifies source before congestion happens - just drop the packet (TCP will timeout and adjust its window) - could make explicit by marking the packet Early random drop

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510 views • 10 slides
Design of a Diversified Router: Monitoring

Design of a Diversified Router: Monitoring

Design of a Diversified Router: Monitoring. John DeHart jdd@arl.wustl.edu http://www.arl.wustl.edu/arl. Revision History. 5/22/06 (JDD): Created 5/25/06 (JDD): Updated LC physical interface counters Updated LC Substrate and metalink counters. Monitoring.

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166 views • 10 slides
Design of a Diversified Router: Monitoring

Design of a Diversified Router: Monitoring

Design of a Diversified Router: Monitoring. John DeHart jdd@arl.wustl.edu http://www.arl.wustl.edu/arl. Revision History. 5/22/06 (JDD): Created 5/25/06 (JDD): Updated LC physical interface counters Updated LC Substrate and metalink counters. Monitoring.

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106 views • 10 slides
Where To First!

Where To First!

Where To First!. Ang Sea Iaw Eldwin Liew Laurence Putra. Problem. Queues can happen spontaneously Queues can disappear anytime too People often get stuck in queues in one place. And move on to the next place after that which now has a long queue, but had no queue previously. Solution.

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138 views • 8 slides

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