implementing cisco quality of service qos v2 3 course

Ngày tải lên: 04/07/2014, 01:20

... the number of variables, l is the length of f, α is the maximum of the degrees of the polynomials P ij , β is the maximum of the degrees of the functions in P,and s is the number of the functions ... lengths of curves contained in a disk, the areas of surfaces in a ball, or generally, the Hausdorff measures of subsets of a ball, one can see that if the numbers of points of the intersections of ... BOUNDS OF HAUSDORFF MEASURES OF TAME SETS 49 [L2] T.L.Loi, Stratification of families of functions definable in o-minimal structures, Acta Math. Vietnam, Vol. 27, 2, 2002, 239 -244. [L3] T.L.Loi,...

Ngày tải lên: 27/10/2012, 10:05

... 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

... 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 ... of voice quality. Table 9-4. Results for Test A Bandwidth Saturation (Percent) Delay (ms) PSQM 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 ... functions to achieve the best QoS possible. Cisco offers many tools for implementing QoS. In some scenarios, you can use none of these QoS tools and still achieve the QoS you need for your applications....

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 • Outside of North America: +1-952- 938 -8080 Fax: +1-952-917 -32 37 • 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 © 2000, Cisco Systems, Inc. www .cisco. com econ_ 038 6_09_001.ppt Copyright © 2000, Cisco Systems, Inc. 40 © 2000, Cisco Systems, Inc. www .cisco. com econ_ 038 6_09_010.ppt Keep ... host. http://www .cisco. com/univercd/cc/td/doc/product/software/ios121/121cgcr /qos_ c/qcprt5/qcdrsvp .htm Copyright © 2000, Cisco Systems, Inc. 23 © 2000, Cisco Systems, Inc. www .cisco. com econ_ 038 6_09_010.ppt Keep ... http://www .cisco. com/univercd/cc/td/doc/product/lan/cat6000/sw_5_2/cofigide /qos. htm Copyright © 2000, Cisco Systems, Inc. 12 © 2000, Cisco Systems, Inc. www .cisco. com econ_ 038 6_09_010.ppt Keep All Graphics Inside This Box Modular QoS CLI Modular QoS CLI Class...

Ngày tải lên: 11/12/2013, 14:15

... completion of this module, you will be able to perform the following tasks: • Explain the significance of Quality of Service (QoS) • Describe new Quality of Service (QoS) features in Cisco IOS ... 2000, Cisco Systems, Inc. Introduction to Quality of Service Introduction to Quality of Service Copyright © 2000, Cisco Systems, Inc. 20 © 2000, Cisco Systems, Inc. www .cisco. com Econ_ 038 5_02_010.ppt Keep ... significance of QoS • Describe new QoS features in Cisco IOS 12.1 • Explain which problems they solve Internal Cisco links on QoS: See: http://wwwin-people .cisco. com/emar /qos. html http://wwwin-emea .cisco. com/FieldInfo/Consult/Tech/Core /QOS/ fol17487/S1.htm Copyright...

Ngày tải lên: 11/12/2013, 14:15

... 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 QoS Issues –Prioritization ... 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 ... 100 percent full. © 2000, Cisco Systems, Inc. 4 © 2000, Cisco Systems, Inc. www .cisco. com econ _38 7_05_010.ppt Campus QoS Campus QoS Distribution Layer 3 Core Layer 3 Access Layer 2 WAN WAN Internet Internet PSTN PSTN Distribution Layer...

Ngày tải lên: 11/12/2013, 14:15

... 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 that ... provide quality of Two models have been designed to provide quality of service in the Internet: Integrated Services and service in the Internet: Integrated Services and Differentiated Services. ... 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...

Ngày tải lên: 06/03/2014, 12:20

... 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 ... 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. ... enumerated in Section 1 .3 above are potential sources of service impairment in ad hoc networks and hence may degrade the ‘ quality of service ’ seen by the users. As of now, the Internet has...

Ngày tải lên: 25/03/2014, 12:07

... Symptoms 11 33 7 79.72 14.29 0.0 0.0 0.0 4.5 6.6 0.0 Treatment Problems 11 33 7 89.78 12.19 0.0 0.0 0.0 36 .2 43. 2 21.8 Worry 3 311 87.45 21.07 1.0 1.0 1.0 64 .3 73. 3 46.7 Communication 3 318 86.61 ... 10/2.97 0 .31 0.52 0.11* 0. 23 7 /3. 43 4.disliking carrying his or her inhaler 0 .33 0.57 0.27 0 .36 9/2.67 0.21 0.47 0.06* 0.29 7 /3. 43 5.being responsible for his or her medicines 0 .39 0.65 0 .37 0 .31 0/0.00 ... chest 0.68 0 .34 0 .35 0.18 0/0.00 0.50 0 .33 0.28 0.08* 0/0.00 2.feeling wheezy 0. 73 0 .37 0 .32 0.22 0/0.00 0.65 0.29 0 .32 0.10* 0/0.00 3. having asthma attacks 0.75 0 .39 0 .34 0.22 0/0.00 0.67 0 .38 0.17...

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 ... rate; PBOA: Progressive Backoff Algorithm; PHY: physical layer; QoS: quality of service; SINR: signal-to- interference-and-noise-ratio. Author details 1 Institute of Communication Networks, Technische...

Ngày tải lên: 21/06/2014, 03:20

... 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 ... Section Quality of Service and Resource Allocation in WiMAX 4 3. Then, the performance evaluation of these algorithms is made. Section 5 presents a synthesis table of the main scheduling ... 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

... 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. ... perform scheduling services, so that the QoS requirements of the connections can be satisfied. 3. 1 What is QoS? QoS refers to the ability of a network to provide improved service to selected ... 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 ...

Ngày tải lên: 21/06/2014, 05:20

... 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

... satisfy QoS constraints of each connection. The mapping mechanism is left to the choice of the provider. 3. State of the art 3. 1 Bandwidth sharing strategies: background To maintain a quality of service ... reasons of clarity and simplification of the presentation. Considering the permutation BAMC 1 ×6, the format of the OFDMA slot is 8 data subcarriers of 6 OFDM symbols. The total number of OFDMA ... defines a concept of a service flow. A service flow is a unidirectional flow of packets with a particular set of QoS parameters and is identified by a service flow identifier (SFID). The QoS parameters could...

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 05:20