P2P Doctor: Measurement and Diagnosis of Misconfigured Peer
... P2P file sharing accounted for > 60% of traffic in USA and > 80% in Asia Thousands of peers send P2P file downloading requests to a “random” target on the Internet possibly triggered by bugs or by malicious reasons generates large amount of unwanted traffic ...
... P2P file sharing accounted for > 60% of traffic in USA and > 80% in Asia Thousands of peers send P2P file downloading requests to a “random” target on the Internet possibly triggered by bugs or by malicious reasons generates large amount of unwanted traffic ...
Document
... inversely proportional to current rate with probability (1-p) - term proportional to current rate with probability p ...
... inversely proportional to current rate with probability (1-p) - term proportional to current rate with probability p ...
Improving Adaptability and Fairness in Internet Congestion Control
... Many modified AQMs has been proposed • Verified with simple simulation or simple experiment • good for particular traffic conditions • Real traffic is totally different. ...
... Many modified AQMs has been proposed • Verified with simple simulation or simple experiment • good for particular traffic conditions • Real traffic is totally different. ...
mpls-7
... Assume network transporting large amount of micro flows with similar bandwidth requirements It does not work under the following operating conditions ...
... Assume network transporting large amount of micro flows with similar bandwidth requirements It does not work under the following operating conditions ...
the Presentation
... Dynamic Targeting: On-demand Filter creation Network • Both Connection and Destination Filters work for Dynamic Targeting ...
... Dynamic Targeting: On-demand Filter creation Network • Both Connection and Destination Filters work for Dynamic Targeting ...
Power Point
... • A flow of size X has roughly 0.01X chance of being sampled – flows with fewer than 15 packets are sampled with prob – flows with more than 100 packets are sampled with prob – the precise probability is: 1 – (1-0.01)X ...
... • A flow of size X has roughly 0.01X chance of being sampled – flows with fewer than 15 packets are sampled with prob – flows with more than 100 packets are sampled with prob – the precise probability is: 1 – (1-0.01)X ...
OFRewind: Enabling Record and Replay Troubleshooting for Networks Andreas Wundsam Dan Levin
... plane traffic. While using our tool, we have made and incorporated the following key observations: (1) A full recording of all events in an entire production network is infeasible, due to the data volumes involved and their asynchronous nature. However, one usually needs not record all information t ...
... plane traffic. While using our tool, we have made and incorporated the following key observations: (1) A full recording of all events in an entire production network is infeasible, due to the data volumes involved and their asynchronous nature. However, one usually needs not record all information t ...
Internet Traffic Policies and Routing
... requirement from a to b. (In situations in which traffic cannot be measured or predicted, we can set T = (1), that is tab = 1 a,bN.) A protocol P = (M, c), acting on a domain D, is defined by a metric matrix M = (mij: i,jN) and a cost function c(t,m). mij specifies the measure of ij used by P a ...
... requirement from a to b. (In situations in which traffic cannot be measured or predicted, we can set T = (1), that is tab = 1 a,bN.) A protocol P = (M, c), acting on a domain D, is defined by a metric matrix M = (mij: i,jN) and a cost function c(t,m). mij specifies the measure of ij used by P a ...
Volume Anomaly Detection in Data Networks: an Optimal Detection
... “volume anomaly” [18] to describe these unexpected network events (large and sudden link load changes). Figure 1 depicts the daily usual traffic pattern together with sporadic volume anomalies in four monitored links from a private international Tier-2 network. As each OD flow typically spans multip ...
... “volume anomaly” [18] to describe these unexpected network events (large and sudden link load changes). Figure 1 depicts the daily usual traffic pattern together with sporadic volume anomalies in four monitored links from a private international Tier-2 network. As each OD flow typically spans multip ...
Link-State Routing with Hop-by-Hop Forwarding Can Achieve Optimal Traffic Engineering Dahai Xu
... There are several new ideas in this paper that enable a proof of optimality and a much faster computational beyond, for example, the theory and algorithm in DEFT [1]. One of these ideas is to develop both the traffic splitting and the weight computation methods from the conceptual framework of Netwo ...
... There are several new ideas in this paper that enable a proof of optimality and a much faster computational beyond, for example, the theory and algorithm in DEFT [1]. One of these ideas is to develop both the traffic splitting and the weight computation methods from the conceptual framework of Netwo ...
Trading Routing for Better Efficiency
... network that accommodates actual traffic, but rather get the maximum from the actual dimensioning of the network given the traffic demand. This implies that part of the traffic might not get the desired processing by the network: we suppose for this part that the network switches are equipped with a ...
... network that accommodates actual traffic, but rather get the maximum from the actual dimensioning of the network given the traffic demand. This implies that part of the traffic might not get the desired processing by the network: we suppose for this part that the network switches are equipped with a ...
Document
... • Response by the router: • Restrict the bandwidth of best-effort flows determined not to be TCP-friendly in times of congestion. • Remove restriction when • There is no longer any significant link congestion. • It has been shown to reduce its arrival rate appropriately in response to congestion. ...
... • Response by the router: • Restrict the bandwidth of best-effort flows determined not to be TCP-friendly in times of congestion. • Remove restriction when • There is no longer any significant link congestion. • It has been shown to reduce its arrival rate appropriately in response to congestion. ...
Maxflow-PF
... then the freed capacity of arc D T could be used to send 1 more unit of flow through path O A D T, making the total flow equal to 9+1=10 . • To realize the idea of redirecting the flow in a systematic way, we need the concept of residual capacities. A ...
... then the freed capacity of arc D T could be used to send 1 more unit of flow through path O A D T, making the total flow equal to 9+1=10 . • To realize the idea of redirecting the flow in a systematic way, we need the concept of residual capacities. A ...
Lecture 2. The arterial system Gross anatomy, physiology and
... As velocity goes up, pressure goes down As velocity goes down, pressure goes up Velocity E and Pressure E are inversely related. ...
... As velocity goes up, pressure goes down As velocity goes down, pressure goes up Velocity E and Pressure E are inversely related. ...
scap - Ohio State Computer Science and Engineering
... If a metadata upstream packet cannot be reassembled on AP due to a cache miss, TCP flow will be stalled ...
... If a metadata upstream packet cannot be reassembled on AP due to a cache miss, TCP flow will be stalled ...
Chapter 1
... This course aims to present an account of concepts and results in Geophysical Fluid Dynamics regarding the instability of large scale flows in the atmosphere and ocean. One can also think of it as a necessary conceptual preface to a study of the turbulent character of both geophysical systems. The c ...
... This course aims to present an account of concepts and results in Geophysical Fluid Dynamics regarding the instability of large scale flows in the atmosphere and ocean. One can also think of it as a necessary conceptual preface to a study of the turbulent character of both geophysical systems. The c ...
Building SDN-ready high bandwidth IXP
... routing (packet forwarding is done with MAC addresses). 2. Still, there are clear benefits in implementing SDN in IXP environment. - Link protection - ability to reroute traffic on L2 level in case of link failure) - Link load balancing - ability to load balance traffic over the links that would oth ...
... routing (packet forwarding is done with MAC addresses). 2. Still, there are clear benefits in implementing SDN in IXP environment. - Link protection - ability to reroute traffic on L2 level in case of link failure) - Link load balancing - ability to load balance traffic over the links that would oth ...
presentation source
... While this fixes some of the problems of independent connections, it really is a step in the wrong direction! 1. Far too much coupling between objects 2. Far too application-specific ...
... While this fixes some of the problems of independent connections, it really is a step in the wrong direction! 1. Far too much coupling between objects 2. Far too application-specific ...
a4academics.com
... Repeat this process for all si, and denote the m remaining candidate vectors {sk0, . . . ,skm-1} ...
... Repeat this process for all si, and denote the m remaining candidate vectors {sk0, . . . ,skm-1} ...
Solutions
... (b) Construct a numerical example with two flows to illustrate WFQ’s superiority to NFQ. Solution: • (a) The “max” in WFQ’s definition of virtual finishing time, in essence queues a particular session’s traffic behind itself. Since NFQ does not have the max, a session can send an arbitrarily large a ...
... (b) Construct a numerical example with two flows to illustrate WFQ’s superiority to NFQ. Solution: • (a) The “max” in WFQ’s definition of virtual finishing time, in essence queues a particular session’s traffic behind itself. Since NFQ does not have the max, a session can send an arbitrarily large a ...
Saarp_flow-cology2012
... flow-ecology hypothesis: these are ecologically important flows, so… • But, just because a bio-metric shows some correlation with a ecological-flow metric doesn’t mean there is any causal relationship ...
... flow-ecology hypothesis: these are ecologically important flows, so… • But, just because a bio-metric shows some correlation with a ecological-flow metric doesn’t mean there is any causal relationship ...
GNoC - Technion - Electrical Engineering
... No buffering, deflecting or dropping packets. Equal propagation times and capacity on links. Equal packet sizes. Shortest routing. ...
... No buffering, deflecting or dropping packets. Equal propagation times and capacity on links. Equal packet sizes. Shortest routing. ...
COmbining Probable TRAjectories — COPTRA
... Technique extensively applied in several fields: aerodynamic design, vehicle dynamics, micro-electromechanical systems, petroleum engineering, nuclear waste disposal, etc. The system response (u) can be represented as function of the variability (ξ) of the inputs (x) with the time (t). WP02 wi ...
... Technique extensively applied in several fields: aerodynamic design, vehicle dynamics, micro-electromechanical systems, petroleum engineering, nuclear waste disposal, etc. The system response (u) can be represented as function of the variability (ξ) of the inputs (x) with the time (t). WP02 wi ...
PPT
... One drop per flow is very specific to this network: • all flows share the same queue • similar propagation delays for all flows • constant bit-rate cross traffic • “drop-tail” queuing discipline ...
... One drop per flow is very specific to this network: • all flows share the same queue • similar propagation delays for all flows • constant bit-rate cross traffic • “drop-tail” queuing discipline ...