qos cisco press implementing cisco quality of service vol 2 2 2 pdf

Ngày tải lên: 27/06/2014, 20:20

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

... 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 ... stability 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 23 3 1.94 106 1.5 60 24 2 2. 1 104...

Ngày tải lên: 30/09/2013, 05:20

Ngày tải lên: 18/10/2013, 12:15

... 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

... 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

... 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

... 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

... range 128 .20 0.1.0 25 5 .25 5 .25 5.0 area 0 range 133.10.1.0 25 5 .25 5 .25 5 .22 4 area 0 range 133.10 .2. 0 25 5 .25 5 .25 5.0 area 0 range 133.10.3.0 25 5 .25 5 .25 5.0 area 0 range 133.10.5.0 25 5 .25 5 .25 5 .22 4 redistribute ... address 1 92. 190.101.1 25 5 .25 5 .25 5.0 ! interface Loopback 22 ip address 1 92. 190.1 02. 1 25 5 .25 5 .25 5.0 ! interface Loopback23 ip address 160.100.100.1 25 5 .25 5 .25 5.0 ! interface Loopback24 ip address ... any access-list 1 02 deny tcp 129 .24 .1 92. 0 1 02. 129 .7.1 eq ftp any access-list 1 02 deny tcp 129 .24 .1 92. 0 1 02. 129 .7.1 eq www any access-list 1 02 permit tcp any any access-list 20 1 permit 0x0000...

Ngày tải lên: 18/01/2014, 05:20

... VLAN 22 10 .2. 2.0 /24 For future growth 10 .2. 3.0–10 .2. 255.0 Table 2- 4 Building C: VLANs and IP Subnets Department VLAN IP Subnet Address Finance VLAN 31 10.3.1.0 /24 Accounting VLAN 32 10.3 .2. 0 /24 For ... Paths 20 Voice VLAN Essentials 22 VLAN Operation 23 Understanding Trunking with 8 02. 1Q 24 8 02. 1Q Frame 25 8 02. 1Q Native VLAN 26 Understanding VLAN Trunking Protocol 26 VTP Modes 27 VTP Operation 28 VTP ... chosen, which provides a maximum number of 25 4 hosts per subnet. Tables 2- 2, 2- 3, and 2- 4 show the allocation of VLANs and IP subnets in the buildings. Table 2- 2 Building A: VLANs and IP Subnets...

Ngày tải lên: 27/01/2014, 13:20

... 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

... 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

... 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 ... Wireless Communications. 5(8) :22 28 22 41 (20 06) 4. S Verdu, Multiuser Detection. (New York, NY: Cambridge University Press, 1998) 5. S Verdu, Computational Complexity of Optimum Multiuser Detection”. Algorithmica....

Ngày tải lên: 21/06/2014, 03:20

... 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

... 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 ... ICC, pp. 363_368 Vol. 1. [18] Nortel 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. ... 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

... (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

... 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

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 05:20