implementing cisco quality of service v2 3 pdf

Ngày tải lên: 04/07/2014, 01:20

... 2000, Cisco Systems, Inc. Introduction to Quality of Service Introduction to Quality of Service Copyright â 2000, Cisco Systems, Inc. 20 â 2000, Cisco Systems, Inc. www .cisco. com Econ_ 038 5_02_010.ppt Keep ... completion of this module, you will be able to perform the following tasks: ã Explain the significance of Quality of Service (QoS) ã Describe new Quality of Service (QoS) features in Cisco IOS ... Copyright â 2000, Cisco Systems, Inc. 18 â 2000, Cisco Systems, Inc. www .cisco. com Econ_ 038 5_02_010.ppt Keep All Graphics Inside This Box IP-ATM Class of Service IP-ATM Class of Service Capabilities: ã...

Ngày tải lên: 11/12/2013, 14:15

... achieving QoS. © 2000, Cisco Systems, Inc. 1 © 2000, Cisco Systems, Inc. Campus Quality of Service © 2000, Cisco Systems, Inc. 17 © 2000, Cisco Systems, Inc. www .cisco. com econ _38 7_05_010.ppt Campus ... traffic within the standard audio range of what UDP ports? Ports 1 638 3 through 32 767 © 2000, Cisco Systems, Inc. 3 © 2000, Cisco Systems, Inc. www .cisco. com econ _38 7_05_010.ppt Campus QoS Campus QoS Campus ... router. © 2000, Cisco Systems, Inc. 21 © 2000, Cisco Systems, Inc. www .cisco. com econ _38 7_05_010.ppt © 2000, Cisco Systems, Inc. 5 © 2000, Cisco Systems, Inc. www .cisco. com econ _38 7_05_010.ppt Need...

Ngày tải lên: 11/12/2013, 14:15

... 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) is an internetworking issue ... Four cases of congestion 24.2 24-1 DATA TRAFFIC 24-1 DATA TRAFFIC The main focus of congestion control and quality of The main focus of congestion control and quality of service is service is ... this section: 24 .34 24-7 INTEGRATED SERVICES 24-7 INTEGRATED SERVICES Two models have been designed to provide quality of Two models have been designed to provide quality of service in the Internet:...

Ngày tải lên: 06/03/2014, 12:20

... QPSK 1/2 QPSK 3/ 4 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 ... the classification of the scheduling mechanisms provided in the Section Quality of Service and Resource Allocation in WiMAX 4 3. Then, the performance evaluation of these algorithms ... QPSK 1/2 6.0 3/ 4 8.5 16QAM 1/2 11.5 3/ 4 15.0 64QAM 2 /3 19.0 3/ 4 21.0 Table 2. Values of the SNR (Aymen & Loutfi, 2008). The link adaptation mechanism allows the making of an adaptive...

Ngày tải lên: 21/06/2014, 05:20

... Journal Vol. 15, No. 4, pp. 576-5 83. Quality of Service and Resource Allocation in WiMAX 100 0 500 1000 1500 2000 2500 30 00 35 00 30 0 800 1400 1900 2400 2900 34 00 Throughput Traffic Load UGS ... Conference on ICC, pp. 36 3 _36 8 Vol. 1. [18] Nortel Networks,Introduction to quality of service (QoS)(September 2008), Nortel NetworksWebsite, 20 03. [Online]. Accessed on 1st of September 2008. ... (Registration), DSA (Dynamic Service Addition) , and DSC (Dynamic Service Change). The implemented PHY is OFDM. Lot size(byte) Channel coding modulation 108 3/ 4 64-QAM 96 2 /3 64-QAM 36 3/ 4 QPSK 24 1/2...

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 27/06/2014, 20:20

... number of bits o Example - weights w i l flow 1 weight 2 flow 2 weight 1 flow 3 weight 3 l 1 /3 1/6 1/2 ∑ = i i w w i Cx C : link capacity Queue Management 17 Priority Queue o Several queues of different ... eg. ToS field of IP o Problem l how to avoid everybody sendinghigh priority packets? Queue Management 1 Quality of Service in IP Networks CH-1015 Ecublens http://icawww.epfl.ch Prof. Jean-Yves ... Fast Retransmit o Probability p of choosing a given flow is 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...

Ngày tải lên: 06/04/2013, 11:05

... that 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, ... Delay/QoS (ms) PSQM/QoS 0 76 1. 43 76 1. 43 40 233 1.94 106 1.5 60 242 2.1 104 1. 43 75 280 7 102 1.51 90 30 0 9 104 1.51 100 35 0 10 105 1.51 Figure 9-7. Graph of Test A Results 162 For ... has a variety of meanings. In this book, QoS refers to both class of service (CoS) and type of service (ToS). The basic goal of CoS and ToS is to achieve the bandwidth and latency needed for...

Ngày tải lên: 30/09/2013, 05:20

Ngày tải lên: 18/10/2013, 12:15

... www.adc.com From North America, Call Toll Free: 1-800 -36 6 -38 91 ã Outside of North America: +1-952- 938 -8080 Fax: +1-952-917 -32 37 ã For a listing of ADC’s global sales office locations, please refer to our web ... Panel FP 3: 1 RP 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 ... new architecture reduced by 30 percent 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...

Ngày tải lên: 10/12/2013, 19:15

... Service Signaling Quality of Service Signaling â 2000, Cisco Systems, Inc. www .cisco. com econ_ 038 6_09_001.ppt Copyright â 2000, Cisco Systems, Inc. 40 â 2000, Cisco Systems, Inc. www .cisco. com econ_ 038 6_09_010.ppt Keep ... Note the similarity to the Cisco IOS software capabilities we are discussing. Copyright â 2000, Cisco Systems, Inc. 38 â 2000, Cisco Systems, Inc. www .cisco. com econ_ 038 6_09_010.ppt Keep All Graphics ... the service policy named gary. http://www .cisco. com/univercd/cc/td/doc/product/software/ios120/120newft/120limit/120xe/120xe5/mqc/mcli.htm Copyright â 2000, Cisco Systems, Inc. 44 Quality of Service Signaling Quality...

Ngày tải lên: 11/12/2013, 14:15

... call 1-800-872-74 23 (North America only),or send email to trade@cup.cam.ac.uk (outside North America). x0=ax; At any given time we will keep track of four points, x0,x1,x2,x3.x3=cx; if (fabs(cx-bx) ... http://www.nr.com or call 1-800-872-74 23 (North America only),or send email to trade@cup.cam.ac.uk (outside North America). 1 4 2 3 parabola through 1 2 3 parabola through 1 2 4 5 Figure 10.2.1. ... 1,2 ,3 on the given function (solid line). The function is evaluated at the parabola’s minimum, 4, which replaces point 3. A new parabola (dotted line) is drawn through points 1,4,2. The minimum of...

Ngày tải lên: 15/12/2013, 04:15

... @. Điều đó sẽ làm cho lệnh Echo Off không bị xuất hiện nhiều lần, xem thể hiện trong hình C. Hình C: Lệnh @Echo Off sẽ ẩn tất cả các lệnh khác OK, lệnh @Echo Off khá tốt trong vi ệc ẩn các ... Query User 1>04122008.log Hình B: Lệnh Echo Off ngăn không cho các lệnh trước đó hiển thị Sử dụng lệnh này này làm xuất hiện nhiều từ “Echo Off” có thể khiến chúng ta hơi rối mắt. Chính ... TSDISCON để hủy kết nối session của terminal service. Tuy nhiên lệnh TSCON lại thực hiện ngược lại, nó cho phép bạn kết nối với một session của terminal service. Trước khi giới thiệu cho các bạn...

Ngày tải lên: 25/01/2014, 00:20

... 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 112 6.4 Quality of service routing in ... independent. 1.5 Quality of service All the vulnerabilities enumerated in Section 1 .3 above are potential sources of service impairment in ad hoc networks and hence may degrade the ‘ quality of service ’ ... 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....

Ngày tải lên: 25/03/2014, 12:07

... 19 93, 6:460-6. 3. Treasure T: The measurement of health related quality of life. Heart 1999, 81 :33 1-2. 4. Thompson DR and Roebuck A: The measurement of health- related quality of life in patients ... Assessment of quality of life in clinical trials of cardiovascular therapies. Am J Cardiol 1984, 54:908- 13. 2. Mayou R and Bryant B: Quality of life in cardiovascular disease. Br Heart J 19 93, 6:460-6. 3. ... Heart 2000, 83: 641-4. 31 . Smith HJ, Taylor R and Mitchell A: A comparison of four quality of life instruments in cardiac patients: SF -36 , QLI, QLMI, and SEIQoL. Heart 2000, 84 :39 0-4. 32 . Dempster...

Ngày tải lên: 20/06/2014, 15:20

... offered traffic loads in Figure 12. While for an offered traffic of 3 Mbit/s all schemes achieve similar good fairness va lues, for high traffic 0 1 2 3 4 5 6 7 8 0 0.05 0.1 0.15 0.2 0.25 0 .3 0 .35 0.4 0.45 0.5 Aggregate ... 2011, 2011:9 http://jwcn.eurasipjournals.com/content/2011/1/9 Page 7 of 13 RESEARCH Open Access Quality of service implications of power control and multiuser detection-based cross-layer design Ulrike ... part of the frame is related to a contention phase and consists of several pairs of minislots. Each minislot is divided into the transmission of an RTS and a CTS signal. The second part of the...

Ngày tải lên: 21/06/2014, 03:20

... and its evolutions have been included as part of 3GPP specifications ((3GPP-TS- 43. 318, 2007) and (3GPP-TR- 43. 902, 2007)) to enable the integration of cellular technologies and other RATs. It appears ... terminals, where the issue of out -of- order packet delivery is more critical owing to the higher traffic load that usually characterizes the downlink phase. 134 Quality of Service and Resource Allocation ... the curve reported in Fig. 3. 138 Quality of Service and Resource Allocation in WiMAX Downlink Resource Allocation and Frequency Reuse Schemes for WiMAX Networks 23 M. Maqbool, M. Coupechoux...

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 05:20