Ngày tải lên: 04/07/2014, 01:20
... priority packets? Queue Management 1 Quality of Service in IP Networks CH-1015 Ecublens http://icawww.epfl.ch Prof. Jean-Yves Le Boudec Prof. Andrzej Duda Prof. Patrick Thiran LCA-ISC-I&C, ... assurance for QOS o Work in Progress includes Differentiated Services, and Integrated Services (RSVP) o Simple model for sharing and congestion studies: Queue Management 24 RED o Estimation of the ... proportional to the rate of the flow l more packets of that flow, higher probability of choosing one of its packets Queue Management 16 FIFO o Last packets are dropped o Current state of Internet routers l...
Ngày tải lên: 06/04/2013, 11:05
Quality of Service
... ip address 1 92. 168. 121 .18 25 5 .25 5 .25 5 .24 8 no ip mroute-cache ip rtp header-compression encapsulation ppp ! Frame Relay ! interface Serial0/0 ip 1 92. 168. 120 .10 25 5 .25 5 .25 5.0 encapsulation ... information instead of when a packet arrives. The 140 Chapter 9. Quality of Service Quality of service (QoS) is an often-used and misused term that has a variety of meanings. In this book, QoS refers ... not requiring special network services). Values are 16, 32, 64, 128 , 25 6, 5 12, 1 024 , 20 48, and 4096. The default is 25 6. o reservable-queues—(Optional) Number of reservable queues used for...
Ngày tải lên: 30/09/2013, 05:20
ON APPLICATION-PERCEIVED QUALITY OF SERVICE IN WIRELESS NETWORKS
Ngày tải lên: 18/10/2013, 12:15
Tài liệu New Network Architecture Digivance® Simulcast Networks Reduce Network Costs and Improve Quality of Service ppt
... increased to 21 .1 Erlangs at 2% GOS traffic support on a single simulcast sector. Capacity comparison: (21 .1E)/ (21 .2E) = 0.995% Required Radio Frequency Channels: 10RFc(simulcast)/12RFc(RFc S 2 sectors) ... 3:1 Host 1 Host 2 Host 3 BTS Sector 1 Interface Panel FP 2: 1 RP 2: 1 Host 4 Host 5 Remote 1 Remote 2 Remote 3 Remote 4 Remote 5 A N N! B= i i! i=0 N A ∑ Improving Grade of Service (GOS) While Reducing ... or more of the total number of RF channels required on a multiple link transport system for a specified amount of user grade of service. The percentage reduction depended on the number of radiating...
Ngày tải lên: 10/12/2013, 19:15
Tài liệu Infrastructure Quality of Service pptx
... the service policy named gary. http://www .cisco. com/univercd/cc/td/doc/product/software/ios 120 / 120 newft/ 120 limit/ 120 xe/ 120 xe5/mqc/mcli.htm Copyright © 20 00, Cisco Systems, Inc. 44 Quality of Service Signaling Quality ... host. http://www .cisco. com/univercd/cc/td/doc/product/software/ios 121 / 121 cgcr /qos_ c/qcprt5/qcdrsvp .htm Copyright © 20 00, Cisco Systems, Inc. 23 © 20 00, Cisco Systems, Inc. www .cisco. com econ_0386_09_010.ppt Keep ... Service Signaling Quality of Service Signaling © 20 00, Cisco Systems, Inc. www .cisco. com econ_0386_09_001.ppt Copyright © 20 00, Cisco Systems, Inc. 40 © 20 00, Cisco Systems, Inc. www .cisco. com econ_0386_09_010.ppt Keep...
Ngày tải lên: 11/12/2013, 14:15
Tài liệu Introduction to Quality of Service pdf
... in a Cisco IOS software T release: 12. 0(5)T. http://www .cisco. com/univercd/cc/td/doc/product/software/ios 120 / 120 newft/ 120 t/ 120 t5/cbwfq.htm Copyright © 20 00, Cisco Systems, Inc. 22 © 20 00, Cisco ... module. http://www .cisco. com/univercd/cc/td/doc/product/software/ios 120 / 120 newft/ 120 t/ 120 t5/saaoper.htm#xtocid20 325 1 Copyright © 20 00, Cisco Systems, Inc. 23 © 20 00, Cisco Systems, Inc. www .cisco. com ... Systems, Inc. 1 © 20 00, Cisco Systems, Inc. Introduction to Quality of Service Introduction to Quality of Service Copyright © 20 00, Cisco Systems, Inc. 20 © 20 00, Cisco Systems, Inc. www .cisco. com Econ_0385_ 02_ 010.ppt Keep...
Ngày tải lên: 11/12/2013, 14:15
Tài liệu Campus Quality of Service pdf
... differentiator in achieving QoS. © 20 00, Cisco Systems, Inc. 1 © 20 00, Cisco Systems, Inc. Campus Quality of Service © 20 00, Cisco Systems, Inc. 17 © 20 00, Cisco Systems, Inc. www .cisco. com econ_387_05_010.ppt Campus ... deployment. © 20 00, Cisco Systems, Inc. 16 © 20 00, Cisco Systems, Inc. www. cisco. com econ _387_05_010. ppt How 8 02. 1p QoS Functions How 8 02. 1p QoS Functions • Edge QoS based on 8 02. 1P CoS: – Mark 8 02. 1P ... through the router. © 20 00, Cisco Systems, Inc. 21 © 20 00, Cisco Systems, Inc. www .cisco. com econ_387_05_010.ppt © 20 00, Cisco Systems, Inc. 5 © 20 00, Cisco Systems, Inc. www .cisco. com econ_387_05_010.ppt Need...
Ngày tải lên: 11/12/2013, 14:15
Chapter 24 Congestion Control and Quality of Service pdf
... queuing 24 .15 Figure 24 .9 Congestion avoidance, additive increase 24 .23 24 -5 QUALITY OF SERVICE 24 -5 QUALITY OF SERVICE Quality of service (QoS) is an internetworking issue Quality of service (QoS) ... merging 24 .33 Figure 24 .21 Token bucket 24 .29 Figure 24 .19 Leaky bucket 24 .20 Figure 24 . 12 BECN 24 .24 Figure 24 .15 Flow characteristics 24 .18 Figure 24 .10 TCP congestion policy summary 24 .28 Figure 24 .18 Weighted ... section: 24 .9 Figure 24 .5 Congestion control categories 24 .27 Figure 24 .17 Priority queuing 24 .22 Figure 24 .14 Four cases of congestion 24 .2 24-1 DATA TRAFFIC 24 -1 DATA TRAFFIC The main focus of congestion...
Ngày tải lên: 06/03/2014, 12:20
security & quality of service in ad hoc wireless networks
... 1 02 5.8 Further reading 105 5.9 References 106 6 Quality of service 107 6.1 Introduction 107 6 .2 Routing in mobile ad hoc networks 110 6.3 Routing with quality of service constraints 1 12 6.4 Quality ... associated with providing quality of service (QoS) in ad hoc networks. It should be pointed out that security and quality of service are two distinct attributes that are independent of each other in general. ... constraints 1 12 6.4 Quality of service routing in ad hoc networks 118 6.5 Conclusion and further reading 126 6.6 References 127 7 Secure routing 129 7.1 Security aware routing 129 7 .2 Secure distance-vector...
Ngày tải lên: 25/03/2014, 12:07
báo cáo hóa học: " Fatness and fitness: how do they influence health-related quality of life in type 2 diabetes mellitus?" docx
... percentage of body fat (SD), % 38 .2 (9 .2) 36.0 (7.1) 0.068 Mean VO 2 peak (SD), mL/kg·min 24 .1 (5.1) 21 .2 (5.1) < 0.001 Mean total cholesterol level (SD), mg/dL 21 5 .2 (37.5) 178.8 (40 .2) < ... (11.7) 82. 0 (14 .2) 0.189 Physical function 86.4 (13.5) 85.6 (14 .2) 0.656 Role emotional 87.7 (24 .5) 84.7 (28 .8) 0.411 Role physical 89.3 (20 .0) 82. 8 (29 .1) 0.055 Social function 93.3 ( 12. 9) 89.3 ... ongoing trial of exercise training in this cohort of participants with type 2 diabetes. Trial registration: NCT0 021 2303 Published: 4 December 20 08 Health and Quality of Life Outcomes 20 08, 6:110...
Ngày tải lên: 18/06/2014, 19:20
Báo cáo hóa học: " Quality of service implications of power control and multiuser detection-based cross-layer design" docx
... Communications. 23 (5):1067–1084 (20 05) 2. IWH Ho, SC Liew, “Impact of Power Control on Performance of IEEE 8 02. 11 Wireless Networks”. IEEE Trans on Mobile Computing. 6(11): 124 5– 125 8 (20 07) 3. S Toumpis, ... Wireless Communications and Networking 20 11, 20 11:9 http://jwcn.eurasipjournals.com/content /20 11/1/9 Page 7 of 13 RESEARCH Open Access Quality of service implications of power control and multiuser detection-based ... input 0 1 2 3 4 5 6 7 8 9 0 0 .2 0.4 0.6 0.8 1 1 .2 1.4 x 10 - 4 Oered Trac in Mb p s Variance of Throughput per Node in Mbps 2 MUD-MAC (2- BR) MUD-MAC(4-BR) PBOA 8 02. 11 Figure 10 Variance of throughput...
Ngày tải lên: 21/06/2014, 03:20
Quality of Service and Resource Allocation in WiMAXFig Part 1 pdf
... 16-QAM 1 /2 16-QAM 3/4 64-QAM 2/ 3 64-QAM 3/4 1/ 32 2. 92 5. 82 8.73 11.64 17.45 23 .27 26 .18 1/16 2. 82 5.65 8.47 11 .29 16.94 22 .59 25 .41 1/8 2. 67 5.33 8.00 10.67 16.00 21 .33 24 .00 1/4 2. 40 4.80 7 .20 ... Table 26 6 of IEEE 8 02. 16e amendment of the standard (Aymen & Loutfi, 20 08). Modulation Codification rate SNR(dB) BPSK 1 /2 3.0 QPSK 1 /2 6.0 3/4 8.5 16QAM 1 /2 11.5 3/4 15.0 64QAM 2/ 3 ... 64QAM 2/ 3 19.0 3/4 21 .0 Table 2. Values of the SNR (Aymen & Loutfi, 20 08). The link adaptation mechanism allows the making of an adaptive modification of the burst profiles, adapting the...
Ngày tải lên: 21/06/2014, 05:20
Quality of Service and Resource Allocation in WiMAXFig Part 5 pdf
... Transmit power 0 .25 Receive power threshold 20 5e- 12 Frame duration 20 ms Cyclic prefix (CP) 0 .25 Simulation duration 100 s Table 3. Main parameters of the simulation Quality of Service and ... Networks,Introduction to quality of service (QoS) (September 20 08), Nortel NetworksWebsite, 20 03. [Online]. Accessed on 1st of September 20 08. [19] C.F. Ball, F. Treml, X. Gaube, and A. Klein(September 20 05). ... Journal Vol. 15, No. 4, pp. 576-583. Quality of Service and Resource Allocation in WiMAX 100 0 500 1000 1500 20 00 25 00 3000 3500 300 800 1400 1900 24 00 29 00 3400 Throughput Traffic Load UGS ...
Ngày tải lên: 21/06/2014, 05:20
Quality of Service and Resource Allocation in WiMAXFig Part 6 pot
... (21 ) 122 Quality of Service and Resource Allocation in WiMAX 22 Will-be-set-by-IN-TECH the op timization is done prior to the resource allocation process. It does not affec t the complexity of ... over WiMAX-WiFi Heterogeneous Networks: Performance Investigation 5 11 0 0 .2 0.4 0.6 0.8 1 12 14 16 18 20 22 24 26 28 30 32 P WiFi TCP level perceived throughput [Mb/s] WLAN and WiMax, simulation WLAN ... let σ 2 designate the variance of the thermal noise. Putting all pieces togethe r: E |w k (n, m)| 2 = σ 2 if n ∈ P c σ 2 k = σ 2 + E |H B k (n, m)| 2 Q B 1 + E |H C k (n, m)| 2 Q C 1 if...
Ngày tải lên: 21/06/2014, 05:20
Quality of Service and Resource Allocation in WiMAXFig Part 7 doc
... corrigendum 1, IEEE Std 8 02. 16e -20 05 and IEEE Std 8 02. 16 -20 04/Cor 1 -20 05 (Amendment and Corrigendum to IEEE Std 8 02. 16 -20 04) pp. 1 – 822 . IEEE8 02. 21 (20 10). URL: http://www.ieee8 02. org /21 / Iyengar, J., ... following table 4 shows examples of burst profiles in mobile WiMAX there are 52 in IEEE8 02. 16e -20 05 (Jeffrey G. et al., 20 07)(IEEE Std 8 02. 16e -20 05, 20 05): 160 Quality of Service and Resource Allocation ... following: 1. ( 1 2 ,16QAM) corresponds to the SNR interval I 1 =[0, 11 .2[ dB. 2. ( 1 2 ,64QAM) corresponds to the SNR interval I 2 =[11 .2, 22 .7] dB. 3. ( 3 4 ,64QAM) corresponds to the SNR interval I 3 = ]22 .7,...
Ngày tải lên: 21/06/2014, 05:20
Quality of Service and Resource Allocation in WiMAXFig Part 8 ppt
... W=8 analysis W=16 simulation W=16 analysis W= 32 simulation W= 32 (b) Mean services time of REQs 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 Number of SSs (N) Mean packet delay (ms) analysis ... W=16 simulation W=16 analysis W= 32 simulation W= 32 (c) Mean packet delay 0 5 10 15 20 25 30 35 40 0 20 0 400 600 800 1000 120 0 1400 1600 1800 Number of SSs (N) Variance of packet delay (ms ^2) analysis W=8 simulation ... Angela Doufexi (20 10). Joint Call Admission Control and Resource Allocation for H .26 4 SVC Transmission Over OFDMA Networks, Proceedings of VTC 20 10, pp. 1-5, 155 022 52, Taipei, may 20 10, IEEExplorer Mukul,...
Ngày tải lên: 21/06/2014, 05:20
Quality of Service and Resource Allocation in WiMAXFig Part 9 docx
Ngày tải lên: 21/06/2014, 05:20
Quality of Service and Resource Allocation in WiMAXFig Part 10 pdf
Ngày tải lên: 21/06/2014, 05:20
Quality of Service and Resource Allocation in WiMAXFig Part 11 pot
Ngày tải lên: 21/06/2014, 05:20
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