implementing cisco quality of service qos v2 2 student guide
Quality of Service in IP Networks
Ngày tải lên :
06/04/2013, 11:05
... 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...
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Quality of Service
Ngày tải lên :
30/09/2013, 05:20
... 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...
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Tài liệu New Network Architecture Digivance® Simulcast Networks Reduce Network Costs and Improve Quality of Service ppt
Ngày tải lên :
10/12/2013, 19:15
... 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...
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Tài liệu Infrastructure Quality of Service pptx
Ngày tải lên :
11/12/2013, 14:15
... 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...
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Tài liệu Introduction to Quality of Service pdf
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...
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Tài liệu Campus Quality of Service pdf
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...
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Chapter 24 Congestion Control and Quality of Service pdf
Ngày tải lên :
06/03/2014, 12:20
... 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...
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security & quality of service in ad hoc wireless networks
Ngày tải lên :
25/03/2014, 12:07
... 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...
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báo cáo hóa học: " Fatness and fitness: how do they influence health-related quality of life in type 2 diabetes mellitus?" docx
Ngày tải lên :
18/06/2014, 19:20
... 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...
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Báo cáo hóa học: " Quality of service implications of power control and multiuser detection-based cross-layer design" docx
Ngày tải lên :
21/06/2014, 03:20
... 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...
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Quality of Service and Resource Allocation in WiMAXFig Part 1 pdf
Ngày tải lên :
21/06/2014, 05:20
...
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...
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Quality of Service and Resource Allocation in WiMAXFig Part 5 pdf
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 ... 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
...
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Quality of Service and Resource Allocation in WiMAXFig Part 6 pot
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...
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Quality of Service and Resource Allocation in WiMAXFig Part 7 doc
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,...
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Quality of Service and Resource Allocation in WiMAXFig Part 8 ppt
Ngày tải lên :
21/06/2014, 05:20
... 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,...
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