implementing cisco quality of service qos v2 1 course
Quality of Service and Resource Allocation in WiMAXFig Part 1 pdf
Ngày tải lên :
21/06/2014, 05:20
...
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
1/ 4 2.40 ...
QPSK
1/ 2 6.0
3/4 8.5
16 QAM
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 ... as follows:
1
n
j
Wi MRTRi MRTRj
(5)
where Wi is the weight of SSi and n the number of SSs.
4 .1. 1 .1 Performance evaluation
The WRR algorithm was evaluated by means of simulation study...
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Quality of Service in IP Networks
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06/04/2013, 11:05
... priority packets?
Queue Management
1
Quality of Service in IP
Networks
CH -10 15 Ecublens
http://icawww.epfl.ch
Prof. Jean-Yves Le Boudec
Prof. Andrzej Duda
Prof. Patrick Thiran
LCA-ISC-I&C, ... Management
14
Traffic description
o Flow A : r = 1 MB/s, B = 1 byte
o Flow B : r = 1 MB/s, B = 1 Mbyte
l during2 s, the flow saves 2 s × 0.5 MB/s = 1 MB
rate
1 MB/s
2 MB/s
3 MB/s
time
1 s 2 s 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 priority
l source may mark paquets with priority
– eg. ToS field of IP
o...
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Quality of Service
Ngày tải lên :
30/09/2013, 05:20
... 15 ms
G.729 w/ four 10 -ms
samples/frame
16 kbps 8.4 kbps 45 ms
G.729 w/ two 10 -ms
samples/frame
24 kbps 11 .2 kbps 25 ms
G. 711 w/ one 10 -ms
sample/frame
11 2 kbps 81. 6 kbps 10 ms
G. 711 ...
15 5
!
interface Serial1 /1
ip address 19 2 .16 8 .12 1 .17 255.255.255.248
encapsulation ppp
no ip mroute-cache
priority-group 1
!
access-list 10 1 permit udp any any range 16 384 16 484 ...
40 233 1. 94 10 6 1. 5
60 242 2 .1 104 1. 43
75 280 7 10 2 1. 51
90 300 9 10 4 1. 51
10 0 350 10 10 5 1. 51
Figure 9-7. Graph of Test A Results
16 2
For basic CAR and DCAR to be functional, you...
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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
... (N-A)
i
i!
P(>0)=
A
∑
N -1
+
A N
N
N! (N-A)
i=0
ADC Telecommunications, Inc., P.O. Box 11 01, Minneapolis, Minnesota USA 55440 -11 01
Specifications published here are current as of the date of publication of this ... Trunks
BTS
Site
Controller
BTS
Sector
1
Interface
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 ... 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:
10 RFc(simulcast) /12 RFc(RFc S 2...
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Tài liệu Infrastructure Quality of Service pptx
Ngày tải lên :
11/12/2013, 14:15
... command. Use the no form
of this command to unload a PDLM if it was previously loaded.
http://www .cisco. com/univercd/cc/td/doc/product/software/ios1 21/ 121newft /12 1limit /12 1e /12 1e2/nbar2e.htm#
xtocid45828
... the service policy named gary.
http://www .cisco. com/univercd/cc/td/doc/product/software/ios120 /12 0newft /12 0limit /12 0xe /12 0xe5/mqc/mcli.htm
Copyright © 2000, Cisco Systems, Inc. 44
Quality of Service
Signaling
Quality ... on Cisco 710 0 and 7200 routers starting with Cisco IOS Release 12 .0(5)XE2.
http://www .cisco. com/warp/customer /14 6/pressroom /19 99/nov99 /1. html
Copyright © 2000, Cisco Systems, Inc. 18
© 2000, Cisco...
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Tài liệu Introduction to Quality of Service pdf
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 12 .1
• ... Cisco IOS software T release: 12 .0(3)T.
http://www .cisco. com/univercd/cc/td/doc/product/software/ios120 /12 0newft /12 0t /12 0t3/flowwred.htm
Copyright © 2000, Cisco Systems, Inc. 11
© 2000, Cisco Systems, ... traffic.
http://www .cisco. com/univercd/cc/td/doc/product/software/ios120 /12 0newft /12 0t /12 0t7/pqcbwfq.htm
Copyright © 2000, Cisco Systems, Inc. 14
© 2000, 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
... 2000, Cisco Systems, Inc. 16
© 2000, Cisco Systems, Inc. www. cisco. com econ _387_05_ 010 . ppt
How 802.1p QoS Functions
How 802.1p QoS Functions
• Edge QoS based on 802.1P CoS:
– Mark 802.1P priority ... 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_387_05_ 010 .ppt
Campus ... concern
TX
17 1.68 .19 2 .10 0
10 .0 .1. 100
Use DSCP
Upstream
The other end of the conversation may reside in a branch office. That branch
office could have any Ethernet switch. Once again, of course, it...
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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) ... 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. ... 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 control and quality of
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
... Summary 10 2
5.8 Further reading 10 5
5.9 References 10 6
6 Quality of service 10 7
6 .1 Introduction 10 7
6.2 Routing in mobile ad hoc networks 11 0
6.3 Routing with quality of service constraints 11 2
6.4 ... constraints 11 2
6.4 Quality of service routing in ad hoc networks 11 8
6.5 Conclusion and further reading 12 6
6.6 References 12 7
7 Secure routing 12 9
7 .1 Security aware routing 12 9
7.2 Secure distance-vector ... authentication, is termed AES-CCM [11 ]. The enhanced security
standard 802 .11 i is likely to use one of these enhanced encryption modes.
2 .1. 8 The IEEE 802 .11 security standard – conclusions
Wireless...
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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
... TR-3 01. (19 84)
27. JG Proakis, Digital Communications. (McGraw-Hill Book Company, 19 89)
doi :10 .11 86 /16 87 -14 99-2 011 -9
Cite this article as: Korger et al.: Quality of service implications of power
control ... Communications and Networking 2 011 , 2 011 :9
http://jwcn.eurasipjournals.com/content/2 011 /1/ 9
Page 13 of 13
density (10 Mbit/s), the 802 .11 protocol cannot even
treat 60% of the users fair. PBOA is ... and Networking 2 011 , 2 011 :9
http://jwcn.eurasipjournals.com/content/2 011 /1/ 9
Page 2 of 13
Figure 7 Node states during the 1st, 4th, 7th, and 15 th minislot of the contention phase of the PBOA protocol...
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Quality of Service and Resource Allocation in WiMAXFig Part 5 pdf
Ngày tải lên :
21/06/2014, 05:20
... pp. 363_368 Vol. 1.
[18 ] Nortel Networks,Introduction to quality of service (QoS) (September 2008), Nortel
NetworksWebsite, 2003. [Online]. Accessed on 1st of September 2008.
[19 ] C.F. Ball, ... channel coding types.
Quality of Service and Resource Allocation in WiMAX
10 2
NIST_TRS TRS RR
0. 31 0.6 0.7
10 30
EDF
1 0.998
WRR
0.998 0.998
LTRS
0.99 0.99
0
0 .1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
N ... respective base stations, which is not practically possible in most
11 4
Quality of Service and Resource Allocation in WiMAX
Quality of Service and Resource Allocation in WiMAX
94
algorithm in the...
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Quality of Service and Resource Allocation in WiMAXFig Part 6 pot
Ngày tải lên :
21/06/2014, 05:20
... and Resource Allocation in WiMAX
18 Will-be-set-by-IN-TECH
Fig. 8. 21- secto r syste m model and the frequency r euse scheme
4 5 6 7 8 9 10 11 12 13
10
1
10
2
10
3
10
4
r
T
(Mbps)
Total transmit ... a
frame duration of 10 ms and a 2 :1 downlink:uplink asymmetry rate of the TDD frame.
• WiFi. The IEEE802 .11 a technology (IEEE802 .11 a, 19 99) has been considered at the physical
level of the WLAN, thus ... Without any loss of generality, let us now focus on cell A.For
6
The closed-form e x pression of function d
θ
(x) is provided in N. Ksairi & Ciblat (2 011 ).
11 8
Quality of Service and Resource...
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Quality of Service and Resource Allocation in WiMAXFig Part 7 doc
Ngày tải lên :
21/06/2014, 05:20
... 19 99/cor 1- 20 01; and ieee std
802 .11 d 20 01) , ISO/IEC 8802 -11 IEEE Std 802 .11 Second edition 2005-08- 01 ISO/IEC
8802 11 :2005(E) IEEE Std 802 .11 i-2003 Edition pp. 1 –7 21.
IEEE802 .11 a (19 99). Supplement ... part 11 : Wireless lan medium access control (mac) and
physical layer (phy) specifications (includes ieee std 802 .11 , 19 99 edition; ieee std
802 .11 a 19 99; ieee std 802 .11 b 19 99; ieee std 802 .11 b 19 99/cor ... starting from the PoA 11 .83 12 .76 25. 01
4 Near the PoA for half sim., then 30 m far away 10 .04 12 . 61 21. 03
Table 1. TCP layer average throughput. Single user, 1 WiFi access point and 1 WiMAX base
station...
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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
simulation W=8
analysis W =16
simulation W =16
analysis W=32
simulation W=32
(c) Mean packet delay
0.05 0.06 0.07 0.08 0.09 0 .1 0 .11 0 .12 0 .13
0
0.2
0.4
0.6
0.8
1
1.2
1. 4
1. 6
1. 8
2
x 10
4
Packet arrival ... 4, R = 8, m = 10 , W = 8, λ = 0 .1.
5 10 15 20 25 30 35 40
1
2
3
4
5
6
7
8
9
10
11
Number of SSs (N)
Mean packet delay (ms)
analysis W=8
simulation W=8
analysis W =16
simulation W =16
analysis ... W=8
simulation W=8
analysis W =16
simulation W =16
analysis W=32
simulation W=32
(b) Mean services time of REQs
0.05 0.06 0.07 0.08 0.09 0 .1 0 .11 0 .12 0 .13
0
20
40
60
80
10 0
12 0
Packet arrival rate(λ...
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Quality of Service and Resource Allocation in WiMAXFig Part 9 docx
Ngày tải lên :
21/06/2014, 05:20
... Digital Object
Identifier: 10 .11 09/MCOM.2009. 511 6805, Pages 84-98, 2009.
Vaidehi, V. Poorani, M. (2 010 ) “Study of Handoff Performance in a Mobile WiMAX
Network”. 11
th
International
Conference ... Jailton
1
, Tássio Carvalho
1
, Warley Valente
1
, Renato Frânces
1
,
Antônio Abelém
1
, Eduardo Cerqueira
1
and Kelvin Dias
2
1
Federal University of Pará,
2
Federal University of Pernambuco, ... (far) in simulations.
The benefits of the proposed solution are clear when we look at the frames in Figures 14 ,
15 , 16 and 17 . Figures 15 e 17 show frames of video received by the SS during...
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