cisco quality of service pdf
Tài liệu Introduction to Quality of Service pdf
Ngày tải lên :
11/12/2013, 14:15
... significance of Quality of Service (QoS)
ã Describe new Quality of Service (QoS) features in
Cisco IOS 12.1
ã Explain which problems QoS solves
The purpose of this module is to quickly survey the new Quality ... Inc. 1
â 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_0385_02_010.ppt
Keep ... Copyright â 2000, Cisco Systems, Inc. 18
â 2000, Cisco Systems, Inc. www .cisco. com Econ_0385_02_010.ppt
Keep All Graphics Inside This Box
IP-ATM
Class of Service
IP-ATM
Class of Service
Capabilities:
ã...
- 25
- 525
- 0
Tài liệu Campus Quality of Service pdf
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_387_05_010.ppt
Campus ... 802.1p field (referred to as class of service or CoS),
which is part of the 802.1Q tag
ã At Layer 3 using the 3 bits of DSCP field in the type of service (ToS) byte of the IP
header
Classification ... Define Differential Service Code Point
The objective of this module is to define the quality of service (QoS) tools which must be
implemented to provide a voice-enabled transport service for IP telephony.
A...
- 22
- 446
- 0
Chapter 24 Congestion Control and Quality of Service pdf
Ngày tải lên :
06/03/2014, 12:20
... 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 ... 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: Integrated Services and
service ... 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...
- 48
- 590
- 0
Quality of Service and Resource Allocation in WiMAXFig Part 1 pdf
Ngày tải lên :
21/06/2014, 05:20
... number of bits per symbol of modulation. This number depends on the
MCS used.
c: represents the code rate of the Forward Error Correction (FEC).
VI Contents
Part 2 Quality of Service ... 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 ... to present state of the art on WiMAX Technology. It has
been constructed with the support of many researchers around the world, working on
resource allocation, quality of service and WiMAX...
- 25
- 348
- 0
Quality of Service in IP Networks
Ngày tải lên :
06/04/2013, 11:05
... 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 ... duration
o Burst duration - S sec
o Size of the bucket - B bytes
o Maximal departure rate - p bytes/s
o Token arrival rate - r bytes /s
l burst of B + r S bytes
l burst of pS
l B + rS = pS → S = B/(r -...
- 26
- 456
- 0
Quality of Service
Ngày tải lên :
30/09/2013, 05:20
... 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, ... 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 ... classes of service.
You can base policies on IP addresses, port numbers, protocols, or the size of packets. You can use one of
these descriptors to create a simple policy, or you can use all of...
- 28
- 538
- 1
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
... 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 ...
5
A
N
N!
B=
i
i!
i=0
N
A
∑
Improving Grade of Service (GOS) While
Reducing RF Channels
Wireless service providers are adopting new deployment strategies
to reduce network costs and improve quality of service. In one
urban ... “grade of service (GOS), which is the
acceptable amount of network blocking of incoming call
attempts. Typical wireless network designs in the United
States provision channels to provide voice services...
- 8
- 387
- 0
Tài liệu Infrastructure Quality of Service pptx
Ngày tải lên :
11/12/2013, 14:15
... Service
Signaling
Quality of Service
Signaling
â 2000, Cisco Systems, Inc. www .cisco. com econ_0386_09_001.ppt
Copyright â 2000, Cisco Systems, Inc. 40
â 2000, Cisco Systems, Inc. www .cisco. com econ_0386_09_010.ppt
Keep ... 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 ... DiffServ. 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_0386_09_010.ppt
Keep...
- 96
- 342
- 0
Tài liệu DDOS - Distributed Denial Of Service pdf
Ngày tải lên :
26/12/2013, 00:16
... DDOS - Distributed Denial Of Service.
ã 1998 Chng trỡnh Trinoo Distributed Denial of Service (DDoS) được viết bởi Phifli.
ã Thỏng 5 1999 Trang ch ca ... rõ những vụ tấn công từ chối dịch vụ (Denial Of Services Attack )
và những cuộc tấn công về việc gửi nhửng gói dữ liệu tới máy chủ (Flood Data Of Services
Attack) tới tấp là những mối lo sợ cho ... chỉ IP khác nhau với nhửng yêu cầu chuyễn vận lên đến 1 gigabit /s.
DDOS - Distributed Denial Of Service ?
ã 8 -2 nhiều Web site lớn như Buy.com, Amazon.com, eBay, Datek, MSN, v CNN.com b
tn...
- 6
- 440
- 4
Tài liệu Báo cáo khoa học: "An Experiment in Evaluating the Quality of Translations" pdf
Ngày tải lên :
19/02/2014, 19:20
...
ance of Dr. Ruth Davis, Department of Defense, Mr.
Richard See, Office of Science Information Services,
National Science Foundation, and also of Dr. A. Hood
Roberts, executive secretary of the ... their knowledge or lack
of knowledge of science, however.
All raters were native speakers of English. The
screening of the raters in Part I of the experiment by
means of SAT verbal scores was ...
through the use of a given number of P-sentences se-
lected from a given number of disparate samples from
a given translation source, rated by a given number of
EVALUATING THE QUALITY OF TRANSLATIONS...
- 12
- 550
- 0
security & quality of service in ad hoc wireless networks
Ngày tải lên :
25/03/2014, 12:07
... 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....
- 196
- 336
- 0
báo cáo hóa học: " Associations between Cardiorespiratory Fitness and Health-Related Quality of Life" pdf
Ngày tải lên :
18/06/2014, 18:20
... definition of health-related quality of life.
HRQOL is defined as the perception of overall satisfaction
with life and involves the measurement of functional sta-
tus in the domains of physical, ... morning of the
HFA was excluded from the database to avoid inaccurate
prediction of metabolic equivalent (MET) capacity from
the treadmill test. After review of the database 709 (62.9%
of the ... Circulation
2007, 116:329-343.
Health and Quality of Life Outcomes 2009, 7:47 http://www.hqlo.com/content/7/1/47
Page 2 of 5
(page number not for citation purposes)
importance of better understanding the relation...
- 5
- 398
- 0
báo cáo hóa học: " Indoors illumination and seasonal changes in mood and behavior are associated with the health-related quality of life" pdf
Ngày tải lên :
18/06/2014, 19:20
... health-related
quality of life, the quality of sleep, and mood [22]. To sum
up, the scheduled interventions which give feedback to
the principal circadian clock during appropriate periods
of the day ... associations of HRQoL with
exposure to illumination and with seasonal changes in
mood and behavior. To be specific, we aimed at elucida-
tion of associations, if any, of the 15D Health-Related
Quality of ... Dimen-
sions Health-Related Quality of Life Instrument; GHQ:
General Health Questionnaire; GSS: General Seasonality
Score; HRQoL: Health Related Quality of Life; QoL: Qual-
ity of Life; SPAQ: Seasonal...
- 8
- 469
- 0
Health and Quality of Life Outcomes BioMed Central Research Open Access Coping, quality of life, pdf
Ngày tải lên :
20/06/2014, 15:20
... wider
aspects of quality of life among adults with PAD: How do
they manage their condition? Which factors are conducive
to coping, good quality of life, and hope?
Coping, quality of life, and ... and Powers Quality of Life Index (QLI) has been
designed to measure quality of life in both ill and healthy
individuals, and this was based on Ferrans' definition of
quality of life [12,18]. ... experience of coping and quality of life, and their
hope for the future. Questions about coping included
present challenges and choice of coping strategies. Ques-
tions about experience of quality of...
- 13
- 140
- 0
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
... 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 ... 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...
- 13
- 531
- 0