web2.clarkson.edu
... UDP is usually higher 6 times better on same LAN 2 times better LAN to LAN TCP is sometimes better 2 times better on same switch Slightly better from LAN to Road Runner (large packet sizes) ...
... UDP is usually higher 6 times better on same LAN 2 times better LAN to LAN TCP is sometimes better 2 times better on same switch Slightly better from LAN to Road Runner (large packet sizes) ...
Effect of Packet-size over Network Performance
... data into small sized packets, called segments. Segmentation is useful for improving network performance. It has a major problem in that its congestion control algorithm does not allow flows to obtain full available bandwidth during fast long-distance links. One of the tools for evaluating TCP perfo ...
... data into small sized packets, called segments. Segmentation is useful for improving network performance. It has a major problem in that its congestion control algorithm does not allow flows to obtain full available bandwidth during fast long-distance links. One of the tools for evaluating TCP perfo ...
Fastpass
... • A core arbiter would have to handle a large volume of traffic, so allocating at MTU-size granularity would not be computationally feasible. Solution：the use of specialized hardware ...
... • A core arbiter would have to handle a large volume of traffic, so allocating at MTU-size granularity would not be computationally feasible. Solution：the use of specialized hardware ...
VANET Simulation in Diffrent Indian City Scenario
... and this variation remain almost same for the mobility scenarios of VANET. Where in Figure 6 number of packet drop vs time is shown for all three different scenarios. Here we found that packet drop is much high in Mumbai scenario as the vehicles are much scattered in Mumbai scenario in comparison to ...
... and this variation remain almost same for the mobility scenarios of VANET. Where in Figure 6 number of packet drop vs time is shown for all three different scenarios. Here we found that packet drop is much high in Mumbai scenario as the vehicles are much scattered in Mumbai scenario in comparison to ...
UDL Mesh Network over DVB-S
... bandwidth for the tests. The throughputs of TCP and UDP traffic are about 1/2 and 1/8 of allocated bandwidth respectively. ASI card buffer queue affects the latency of packet sending. Less buffer queue decreases latency, but increases CPU usage due to more interrupts and context switches. ...
... bandwidth for the tests. The throughputs of TCP and UDP traffic are about 1/2 and 1/8 of allocated bandwidth respectively. ASI card buffer queue affects the latency of packet sending. Less buffer queue decreases latency, but increases CPU usage due to more interrupts and context switches. ...
Implementation_of_IP_Mesh_Network
... bandwidth for the tests. The throughputs of TCP and UDP traffic are about 1/2 and 1/8 of allocated bandwidth respectively. ASI card buffer queue affects the latency of packet sending. Less buffer queue decreases latency, but increases CPU usage due to more interrupts and context switches. ...
... bandwidth for the tests. The throughputs of TCP and UDP traffic are about 1/2 and 1/8 of allocated bandwidth respectively. ASI card buffer queue affects the latency of packet sending. Less buffer queue decreases latency, but increases CPU usage due to more interrupts and context switches. ...
Measurement-based models enable predictable wireless behavior
... Source rate (Kbps) Loss rate on the bad link Loss rate on the bad link ratul | kaist | june '09 ...
... Source rate (Kbps) Loss rate on the bad link Loss rate on the bad link ratul | kaist | june '09 ...
ftw-presentation
... • throughput very much dependent on configuration and traffic characteristics, • can be very low if only a few channels for very high rate are configured due to code limitation effects – Data on common channels • inefficient for large amount of data due to lack of tight power control (especially FAC ...
... • throughput very much dependent on configuration and traffic characteristics, • can be very low if only a few channels for very high rate are configured due to code limitation effects – Data on common channels • inefficient for large amount of data due to lack of tight power control (especially FAC ...
20031015-FAST-Ravot
... assume that the congestion window size is equal to the Bandwidth Delay product when the packet is lost. ...
... assume that the congestion window size is equal to the Bandwidth Delay product when the packet is lost. ...
Design and performance evaluation of an improved TCP congestion
... backward queuing time will affect, the actual throughput and enlarge the difference between the expected throughput and the actual throughput. This results in a decrease in the congestion window ...
... backward queuing time will affect, the actual throughput and enlarge the difference between the expected throughput and the actual throughput. This results in a decrease in the congestion window ...
A Hybrid Approach to Effort-Limited Fair (ELF) Scheduling for 802.11
... Possible future research & recommendations Conclusion ...
... Possible future research & recommendations Conclusion ...
Slajd 1
... We estimate that RDMA based communication can reduce MPI message propagation time from 43μs to 23μs (doubling the performance for short messages) There is also possibility of reducing T3 and T5 latencies by changing the configuration of the network interface (transmit and ...
... We estimate that RDMA based communication can reduce MPI message propagation time from 43μs to 23μs (doubling the performance for short messages) There is also possibility of reducing T3 and T5 latencies by changing the configuration of the network interface (transmit and ...
Vidhatha Technologies
... A Low-Complexity Congestion Control and Scheduling Algorithm for Multihop Wireless Networks With Order-Optimal Per-Flow Delay ABSTRACT: Quantifying the end-to-end delay performance in multihop wireless networks is a well-known challenging problem. In this paper, we propose a new joint congestion con ...
... A Low-Complexity Congestion Control and Scheduling Algorithm for Multihop Wireless Networks With Order-Optimal Per-Flow Delay ABSTRACT: Quantifying the end-to-end delay performance in multihop wireless networks is a well-known challenging problem. In this paper, we propose a new joint congestion con ...
Hermes: An Integrated CPU/GPU Microarchitecture for IP Routing
... Limitation of existing GPU based router Memory mapping from CPU’s main memory to GPU’s device memory through PCIe bus with a pick bandwidth of 8GBps • GPU throughput = 30x CPU’s , without memory mapping • Reduced to 5x CPU’s , with memory mapping overhead ...
... Limitation of existing GPU based router Memory mapping from CPU’s main memory to GPU’s device memory through PCIe bus with a pick bandwidth of 8GBps • GPU throughput = 30x CPU’s , without memory mapping • Reduced to 5x CPU’s , with memory mapping overhead ...
Document
... networks using erasure codes e.g. Oceanstore 6. For maximum throughput OS and kernel bypass may be required 7. Many commercial SAN/Grid products will only work with QoS network ...
... networks using erasure codes e.g. Oceanstore 6. For maximum throughput OS and kernel bypass may be required 7. Many commercial SAN/Grid products will only work with QoS network ...
Iperf Bandwidth Performance Testing
... throughput to the Internet from the deployed drop box. Using this information, the malicious user can more accurately plan further attacks. For example, my own testing shows that an ‘Ai-Ball’ wireless webcam connected to the OG150 requires 3.2Mb/s download and 80Kb/s upload throughput to stream live ...
... throughput to the Internet from the deployed drop box. Using this information, the malicious user can more accurately plan further attacks. For example, my own testing shows that an ‘Ai-Ball’ wireless webcam connected to the OG150 requires 3.2Mb/s download and 80Kb/s upload throughput to stream live ...
Chapter 4 Multi-PON architecture 4.1 State-of-the-art
... guaranteed service and best-effort, we concentrate our contribution in proposing a method to support the priority service. Since the priority class only requires better treatment than best-effort without precluding the guaranteed service and/or increasing the control complexity, the mechanism to provi ...
... guaranteed service and best-effort, we concentrate our contribution in proposing a method to support the priority service. Since the priority class only requires better treatment than best-effort without precluding the guaranteed service and/or increasing the control complexity, the mechanism to provi ...
HEW evaluation metrics
... • This metrics is used to measure the user experience in different simulation scenario. • Definition: measure 5 percentile STA DL/UL throughput at the edge of cell and 50 percentile medium STA DL/UL throughput for different service categories, over multiple BSS in a given area. • Per-STA DL/UL throu ...
... • This metrics is used to measure the user experience in different simulation scenario. • Definition: measure 5 percentile STA DL/UL throughput at the edge of cell and 50 percentile medium STA DL/UL throughput for different service categories, over multiple BSS in a given area. • Per-STA DL/UL throu ...
Traffic Measurements for Link Dimensioning
... cannot be transmitted immediately. The switch that was used for our case studies was able to buffer frames for some tens of milliseconds. Since the capacity of the link that connected the switch to our measurement device could easily handle all monitored traffic, delays remained short and buffer overflow ...
... cannot be transmitted immediately. The switch that was used for our case studies was able to buffer frames for some tens of milliseconds. Since the capacity of the link that connected the switch to our measurement device could easily handle all monitored traffic, delays remained short and buffer overflow ...
Layer 2 (LL/MAC) Performance Analysis and Improvement of
... MAC throughput increase Lack of backward compatibility: proprietary solution Multi-channel Approaches – Our Choice No change on channel BW Use all available channels through the network Key issues: channel allocation ...
... MAC throughput increase Lack of backward compatibility: proprietary solution Multi-channel Approaches – Our Choice No change on channel BW Use all available channels through the network Key issues: channel allocation ...
Performance analysis of an IP based protocol stack for WSNs
... demonstrate usage of a realtime environmental data within AR mobile applications enable a new, more engaging way of IoT data visualization utilizing gaming and AR technologies ...
... demonstrate usage of a realtime environmental data within AR mobile applications enable a new, more engaging way of IoT data visualization utilizing gaming and AR technologies ...
Document
... – Unlike IP multicast, no potential data-plane congestion in rate-guaranteed virtual circuits – Negative acknowledgements (NACKs) used – Packet loss due to receive buffer overflows or bit errors will be handled at the end of the multicast • important for high-speed multicast ...
... – Unlike IP multicast, no potential data-plane congestion in rate-guaranteed virtual circuits – Negative acknowledgements (NACKs) used – Packet loss due to receive buffer overflows or bit errors will be handled at the end of the multicast • important for high-speed multicast ...
ppt
... • Reasonable goal: lowest power for max rate • But finding ths empirically is hard! Many {power, rate} combinations, and not always easy to predict how each will perform • Alternate goal: lowest power for max needed rate • But this interacts with other people because you use more channel time to sen ...
... • Reasonable goal: lowest power for max rate • But finding ths empirically is hard! Many {power, rate} combinations, and not always easy to predict how each will perform • Alternate goal: lowest power for max needed rate • But this interacts with other people because you use more channel time to sen ...