Recent advances in broadband integrated network operations and services management:
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Information Science Reference
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| Item Description: | "This book covers the principles of both wired and wireless communications of voice, data, images, and video and the impact of their business values on the organizations in which they are used"--Provided by publisher. Includes bibliographical references and index |
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| adam_text | Titel: Recent advances in broadband integrated network operations and services management
Autor: Sridhar, Varadharajan
Jahr: 2011
Detailed Table of Contents
Preface.................................................................................................................................................xv
Chapter 1
Fairness Analysis and Improvement of Transport Layer Protocols.....................
D. Tegze, Budapest University of Technology and Economics, Hungary
G. Hosszu, Budapest University of Technology and Economics, Hungary
F. Kovdcs, Budapest University of Technology and Economics, Hungary
The paper presents a comparison of fairness properties of different congestion control schemes. It is
hard to investigate the various protocol mechanisms implemented in transport protocols; therefore a
simulator called SimCast is developed for the analysis of fairness characteristics of transport protocols
as well as a network traffic generator and measurement tool called SimTest. This paper presents the
operation and basic properties of these evaluation systems together with some simulation and mea-
surement results. The paper also presents a fairness based bandwidth control mechanism, called the
Balancer method, which optimizes resource allocation of busy servers with large amount of outgoing
traffic. The efficiency of this control method is presented through simulation results.
Chapter 2
Rembassy: Open Source Tool For Network Monitoring......................................................................18
Vreixo Formoso, University of A Coruha, Spain
Fidel Cacheda, University of A Coruha, Spain
Victor Carneiro, University of A Coruha, Spain
Juan Valiho, University of A Coruha, Spain
Even though monitoring tools are essential to the management of communications networks, Open
Source applications still confront their potential users with considerable problems. This work analyses
the limitations of the currently existing tools and presents the development of a new tool that solves
most of those problems. The tool is based on a new architecture of objects and remote method invoca-
tion and allows both centralized and distributed monitoring. Its configuration through web interface, its
support to monitoring templates, and its flexibility make it particularly interesting for a large number
of users in search of a strong but easily configurable system. The proposed extension system is based
on plug-ins and it is highly innovative because of its power and simplicity. Finally, the configuration
simplicity and other essential improvements of the proposed system are successfully tested in a real
environment.
Chapter 3
Fourier-Based Assessment Strategies for Simulated Ad Hoc Networks...............................................31
M. Fazio, Universita di Messina, Italy
M. Villari, Universita di Messina, Italy
A. Puliafito, Universita di Messina, Italy
An ad hoc network comprises mobile devices with limited computing and energy resources together
with wireless communication, which have to cooperate to provide networking services. This com-
munication scenario presents many specific challenges that make ad hoc networks very different from
traditional wired and wireless data networks. It makes classical approaches for network analysis insuf-
ficient. To deal with the design, implementation and test of this innovative communication paradigm,
simulation techniques are of primary importance, since they allow to specify the level of detail of
the simulated model. At the same time, the complex interaction among different entities make the
performance evaluation of real ad hoc systems through simulation very hard. This chapter discusses
traditional simulation strategies for ad hoc networks, highlighting their limits, drawbacks and pos-
sible overcoming. It presents efforts of the research community in improving the quality of simulation
analysis according to different aspects, such as metrics definition, model design and simulation tools
extensions. Then, the chapter focuses its attention on the benefits that the Discrete Fourier Transform
analysis can produce if it is applied on simulation data. It describes a detailed methodology to gather
and elaborate simulation measurements in order to avoid loss of information on rare events that occur
in simulations. The presented methodology gets advantages (such as simplicity and flexibility) from
simulative investigation approaches and, at the same time, offers a new analysis tool suitable for both
protocol debugging and system performances evaluation. In fact, it transfers time-dependent measure-
ments into the frequency domain, allowing to point out the occurrence of events which take place only
under particular conditions and to detect occasional misbehaviors of the system.
Chapter 4
Comparison of Policies for Epidemic Broadcast in DTNs under Different Mobility Models.............49
Francesco Giudici, Universita degli Studi di Milano, Italy
Elena Pagani, Universita degli Studi di Milano, Italy
Gian Paolo Rossi, Universita degli Studi di Milano, Italy
The broadcast diffusion of messages in Delay Tolerant Networks (DTNs) is heavily dependent on nodes
mobility, since protocols must rely on contact opportunities among devices to diffuse data. This work is
a first effort to study how the dynamics of nodes affect both the effectiveness of the broadcast protocols
in diffusing data, and their efficiency in using the network resources. The paper describes three control
mechanisms. The mechanisms characterize a family of protocols able to achieve some awareness about
the surrounding environment, and to use this knowledge in order to keep the broadcast overhead low,
while ensuring high node coverage. Simulation results allow to identify the winning mechanisms to
diffuse messages in DTNs under different conditions.
Chapter 5
On the Impact of Network Dynamics on a Discovery Protocol for Ad-Hoc Networks.......................64
Fei Liu, University of Twente, The Netherlands
Geert Heijenk, University of Twente, The Netherlands
A very promising approach to discovering services and context information in ad-hoc networks is based
on the use of Attenuated Bloom filters. In this paper we analyze the impact of changes in the connectivi-
ty of an ad-hoc network on this approach. We evaluate the performance of the dis-covery protocol while
nodes appear, disappear, and move, through analytical and simulative analysis. The analytical results
are shown to be accurate when node density is high. We show that an almost linear relation exists be-
tween the density of the network and the number of update messages to be exchanged. Further, in case
of nodes moving, the number of messages exchanged does not increase with the speed of movement.
Chapter 6
Models and Architecture for Autonomic Network Management..........................................................83
N. Van Wambeke, Centre National de la Recherche Scientifique Universite de Toulouse, France
F. Armando, Centre National de la Recherche Scientifique Universite de Toulouse, France
A. Abdelkafi, Centre National de la Recherche Scientifique Universite de Toulouse, France
C. Chassot, Centre National de la Recherche Scientifique Universite de Toulouse, France
K. Guennoun, Centre National de la Recherche Scientifique Universite de Toulouse, France
K Drira, Centre National de la Recherche Scientifique Universite de Toulouse, France
This paper presents a model-based framework to support the automated and adaptive deployment of
communication services for QoS. The application domain targets cooperative group activities applied
to military emergency operation management systems. Various models are introduced to represent the
different levels of cooperation (applicative / middleware / transport). The adaptation decision process
relies on structural model transformations while its enforcement is based on the dynamic composition
of micro-protocols and software components. Automated deployment is performed both at the transport
(i.e. UDP-TCP level) and middleware level. The architecture to support automated network manage-
ment based on these models is introduced and its performance is evaluated through the use of a Java
prototype.
Chapter 7
Reservation MAC Protocols for Ad-Hoc Networks: Analysis of the Approaches.............................103
Ghalem Boudour, IRIT- Paul Sabatier University, France
Cedric Teyssie, IRIT- Paul Sabatier University, France
Mammeri Zoubir, IRIT- Paul Sabatier University, France
Multimedia and real-time applications require bandwidth guarantees, which may be achieved by re-
source reservation. Several researches were done to propose efficient reservation MAC protocols for
ad-hoc networks. In these schemes, channel is segmented into super-frames composed of fixed number
of slots. They allocate slots to each traffic source, and make sure that neighbor nodes record the reserva-
tion in order to ensure consistency of reservations between neighbor nodes. However, resource reserva-
tion in ad-hoc networks remain a very challenging task due to the instability of radio channels, node
mobility and lack of coordination between mobile nodes. Proposed reservation MAC protocols like
CATA, FPRP, R-CSMA and SRMA/PA have limitations and are suitable only for particular situations.
In this paper, we propose a comparative analysis of the most representative reservation MAC protocols.
We identify the major issues unresolved by reservation MAC protocols. A performance evaluation and
comparative analysis with the IEEE 802.1 le are achieved through the NS-2 simulator.
Chapter 8
Slot Allocation Algorithms for Minimizing Delay in Alarm-Driven WSN Applications...................120
Mario Macedo, INESC-ID, Portugal
Antonio Grilo, INESC-ID, Portugal
Mario Nunes, INESC-ID, Portugal
Energy-efficiency and latency requirements in alarm-driven Wireless Sensor Networks often demand
the use of TDMA protocols with special features such as cascading of timeslots, in a way that the
sensor-to-sink delay bound can stay below the duration of a single frame. However, this single TDMA
frame should be as small as possible. The results presented in this paper, point to the conclusion that
a largest-distances-first strategy can achieve the smallest single frame sizes, and also the lowest frame
size variations. A quite simple distributed version of this algorithm is presented, which obtains the same
results of its centralized version. Simulations also show that this discipline presents the best results in
terms of sensor-to-sink slot distance, even if they require a few more slots than breadth-first in multi-
frame scenarios.
Chapter 9
Shared Transport for Different Radio Broadband Mobile Technologies............................................135
Xi Li, University of Bremen, Germany
Thushara Weerawardane, University of Bremen, Germany
Yasir Zaki, University of Bremen, Germany
Carmelita Gorg, University of Bremen, Germany
Andreas Timm-Giel, Hamburg University of Technology, Germany
This article presents various traffic separation approaches to transmit HSPA (HSDPA/HSUPA) traf-
fic in the existing ATM-based UMTS Radio Access Network, together with Release 99 (R99) traffic.
The traffic separation technique enables QoS differentiations of HSPA and R99 traffic, while aiming
to achieve a maximum utilization of the transport resources in the radio access network. The potential
benefit of applying traffic separation and its impact on the performance of the transport network as well
as the end users are explored in this article. The quantitative evaluations are provided by simulations.
The results presented are obtained from a UMTS simulation model developed in this work which can
transmit HSDPA and HSUPA traffic as well as R99 traffic simultaneously. The presented results dem-
onstrate that applying traffic separation between HSPA and R99 traffic can considerably improve the
performance of both HSPA and R99 traffic, and as well bring significant gain on efficient bandwidth
utilization.
Chapter 10
Strategic Scenarios for Fixed-Mobile Convergence: An Integrated Operator Case...........................160
Jarmo Harno, Aalto University School of Science and Technology, Finland
KKRenjish Kumar, Aalto University School of Science and Technology, Finland
Mikko V.J. Heikkinen, Aalto University School of Science and Technology, Finland
Mario Kind, Deutsche Telekom, Germany
Thomas Monath, Deutsche Telekom, Germany
Dirk Von Hugo, Deutsche Telekom, Germany
This study demonstrates that an integrated operator can benefit from cost savings, customer retention
and prevention of revenue erosion by having a fixed-mobile convergence (FMC) migration strategy
including introduction of advanced service packages. This development is driven by increasing im-
portance of mobile network capabilities and services, as well as the decreasing gap between fixed and
mobile systems, in terms of technological models and prices, making FMC both requested by the mar-
ket and commercially feasible to provide. FMC is expected to offer benefits for network and service
operators as well as businesses and consumers. We have analyzed the operator s dilemma on proper
migration strategy in exploiting the benefits of cost savings and generating new revenues, but exposing
oneself to the risk of substitution effects among its fixed and mobile products. We provide quantitative
comparison of some strategic scenarios utilizing techno-economic case study methodology in modeling
an integrated operator business in a Western European context.
Chapter 11
Subscription Policy Control Framework for IMS-Based Networks...................................................180
Nidal Nasser, University ofGuelph, Canada
Ming Shang, University ofGuelph, Canada
The Policy and Charging Control (PCC) architecture was firstly introduced in the 3GPP s Release 7.
However, the PCC has its problems. The main problems include the incapability of performing policy
control with consideration of subscriber profiles and missing specification on how to organize and ex-
press the policy information. In addition, no policy control at application session establishment stage
also contributes to its imperfectness. In this paper, the authors propose a subscription-based policy
control framework that implements a subscription-centered approach for policy control and to enable
flexible policy definitions based on the subscriber s profile at the application level. The framework also
provides functionalities of organizing the subscription data, identifying the policy, regulating the policy
control process, interpreting, managing and enforcing the corresponding policies. The main objective is
to qualify the subscribers and thus, enhance the network customization through defining flexible poli-
cies based on policy control requirements for different subscribers.
Chapter 12
What Happened to Preferences for Next Generation Internet? A Survey
of College Students in Taiwan............................................................................................................201
Wen-Lung Shiau, Ming Chuan University, Taiwan
Chen-Yao Chung, National Central University, Taiwan
Ping-Yu Hsu, National Central University, Taiwan
The growing popularity of the Internet has resulted in attracting many enterprises to do business trans-
actions over the Internet. The current Internet protocol version 4 (IPv4) has been used for over 20
years. Even though IPv4 applications have been quite successful, it faces a problem of shortage in IP
addresses, ineffective security mechanisms, and a lack of service quality management, etc. Scientists
and engineers have devoted considerable effort to the development of next generation Internet protocol
version 6 (IPv6), which is the core component of Next Generation Internet (NGI) to meet the future
requirements of the Internet. Even though NGI is technically superior to the traditional Internet and is
being established worldwide, few people have transmitted data through it. According to the Innovation
Development Process in the Diffusion of Innovation theory, IPv6 is currently in a stage of technological
diffusion. The research studies whether educating potential customers with more IPv6 knowledge cre-
ated in the innovation process can increase their preference for the technology. With surveys collected
from 596 undergraduate students, the results show that knowledge of the commercial applications of
IPv6 in mobile communications and information appliances significantly contributes to a preference
for the IPv6 technology.
Chapter 13
On Demand Bandwidth Reservation for Real-Time Traffic in Cellular IP Network using
Particle Swarm Optimization..............................................................................................................215
Mohammad Anbar, Jawaharlal Nehru University, India
D.P. Vidyarthi, Jawaharlal Nehru University, India
Cellular IP network deals with micro mobility of the mobile devices. An important challenge in wireless
communication, especially in cellular IP based network, is to provide good Quality of Service (QoS)
to the users in general and to the real-time users (users involved in the exchange of real-time packets)
in particular. Reserving bandwidth for real time traffic to minimize the connection drop (an important
parameter) is an activity often used in Cellular IP network. Particle Swarm Optimization (PSO) algo-
rithm simulates the social behavior of a swarm or flock to optimize some characteristic parameter. PSO
is effectively used to solve many hard optimization problems. The work, in this paper, proposes an on
demand bandwidth reservation scheme to improve Connection Dropping Probability (CDP) in cellular
IP network by employing PSO. The swarm, in the model, consists of the available bandwidth in the
seven cells of the cellular IP network. The anytime bandwidth demand for real-time users is satisfied by
the available bandwidth of the swarm. The algorithm, used in the model, searches for the availability of
the bandwidth and reserves it in the central cell of the swarm. Eventually, it will allocate it on demand
to the cell that requires it. Simulation experiments reveal the efficacy of the model.
Chapter 14
Mobile Division Query Processing Incorporating Multiple Non-Collaborative Servers...................229
Say Ting Lim, Monash University, Malaysia
David Taniar, Monash University, Australia
Bala Srinivasan, Monash University, Australia
The demand of mobile technology is growing and mobile information services including the gathering
of information and manipulating them are also becoming more critical in the world of mobile technol-
ogy. These allow mobile users to download useful data, possibly from multiple sources. In this paper,
we introduce two basic mobile query processing, namely: (i) mobile device side processing (MDSP),
and (ii) server side processing (SSP). Our focus in this paper is on performing relational division and
multiple division operations using both MDSP and SSP techniques. In addition, walkthrough examples
are also illustrated. A series of performance evaluation of our proposed techniques are presented and
analyzed.
Chapter 15
A Survey on Classical Teletraffic Models and Network Planning Issues for Cellular Telephony......250
Francisco Barcelo-Arroyo, Universitat Politecnica de Catalunya, Spain
Israel Martin-Escalona, Universitat Politecnica de Catalunya, Spain
Research on traffic characterization and analysis of cellular networks has been very active in the past
decades. However, it is difficult for networks planners to incorporate new results to network engineer-
ing. On the one hand, some models are very complex and need advanced programming and skills to
be properly computed. On the other hand, reliability on those models is poor because there is a general
lack of published field studies to corroborate them. This paper proposes simple well-known teletraffic
models for cellular networks compared to the conventional Erlang-B frequently applied when a first
estimate is needed. To this purpose, the latest results on the characterization of the arrival process and
service time in cellular systems are reviewed. According to the arrival and service characteristics, three
models are proposed to obtain a first approach to the performance characteristics of the cellular system.
The first two models are extremely simple, allowing direct computation of performance through closed
formulas, while the third requires simple programming.
Chapter 16
Testbed Implementation of a Pollution Monitoring System Using Wireless Sensor Network
for the Protection of Public Spaces.....................................................................................................263
Siuli Roy, Indian Institute of Management Calcutta, India
Anurag D, Indian Institute of Management Calcutta, India
Somprakash Bandopadhyay, Indian Institute of Management Calcutta, India
Air pollution is an important environmental issue that has a direct effect on human health and ecologi-
cal balance. Factories, power plants, vehicles, windblown dust and wildfires are some of the contribu-
tors to pollution. Reasonable simulation tools exist for evaluating large scale sensor networks; however,
they fail to capture significant details of node operation or practical aspects of wireless communication.
Real life testbeds capture the realism and bring out important aspects for further research. In this article,
we present an implementation of a wireless sensor network testbed for automatic and real-time moni-
toring of environmental pollution for the protection of public spaces. The article describes the physical
setup, the sensor node hardware and software architecture for anytime, anywhere monitoring and
management of pollution data through a single, Web-based graphical user interface. The article presents
practical issues in the integration of sensors, actual power consumption rates and develops a practical
hierarchical routing methodology.
Chapter 17
A GPS Based Deterministic Channel Allocation for Cellular Network in Mobile Computing..........277
Lutfi Mohammed Omer Khanbary, Aden University, Yemen
Deo Prakash Vidyarthi, Jawaharlal Nehru University, New Delhi, India
The scarcity of the radio channel is the main bottleneck toward maintaining the quality of service (QoS)
in a mobile cellular network. As channel allocation schemes become more complex and computation-
ally demanding, alternative computational models that include knowledge-based algorithms and pro-
vide the means for faster processing are becoming a topic of research interest. An efficient deterministic
technique, capable of handling channel allocation problems, is introduced as an alternative. The pro-
posed model utilizes the Global Positioning System (GPS) data for tracing the hosts likely movements
within and across the cells and allocates the channels to the mobile devices accordingly. The allocation
of the channels to the mobile hosts is deterministic in the sense that the decision of the channel alloca-
tion is based on the realistic data received from the GPS about the hosts movements. The performance
of the proposed technique has been evaluated by conducting the simulation experiments for the two
parameters-call blocking and handoff failures. Also, a comparison of the proposed model with an ear-
lier model has been carried out to estimate the effectiveness of the proposed technique. Experimental
results reveal that the proposed technique performs better and is more realistic as well.
Chapter 18
Energy-Efficient Scalable Self-Organizing Routing for Wireless Mobile Networks.........................291
Melody Moh, San Jose State University, USA
Xuquan Lin, Echelon Corporation, USA
Subhankar Dhar, San Jose State University, USA
The instant deployment without relying on an existing infrastructure makes mobile ad hoc networks
(MANET) a striking choice for many dynamic situations. An efficient MANET protocol may be ap-
plied to other important emerging wireless technologies, such as wireless mesh and sensor networks.
This paper proposes a hierarchical routing scheme that is scalable, energy efficient, and self-organizing.
The new algorithm that is discussed in this paper is the Dynamic Leader Set Generation (DLSG). This
algorithm dynamically selects leader nodes based on traffic demand, locality, and residual energy level,
and de-selects them based on residual energy. Therefore, energy consumption and traffic load are bal-
anced throughout the network, and the network reorganizes itself around the dynamically selected
leader nodes. Time, space, and message complexities are formally analyzed and implementation issues
are also addressed. Incorporating the IEEE 802.11 medium access control mechanism and including
the power saving mode, performance evaluation is carried out by simulating DLSG and four existing
hierarchical routing algorithms. It shows that DLSG successfully extends network lifetime by 20 to
50% while achieving a comparable level of network performance.
Compilation of References ..............................................................................................................308
About the Contributors ...................................................................................................................327
Index...................................................................................................................................................339
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| genre | (DE-588)4143413-4 Aufsatzsammlung gnd-content |
| genre_facet | Aufsatzsammlung |
| id | DE-604.BV042048088 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T01:11:21Z |
| institution | BVB |
| isbn | 1609605896 9781609605896 |
| language | English |
| lccn | 2011009462 |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-027489237 |
| oclc_num | 892850618 |
| open_access_boolean | |
| owner | DE-384 |
| owner_facet | DE-384 |
| physical | xxv, 343 p. ill. 29 cm |
| publishDate | 2011 |
| publishDateSearch | 2011 |
| publishDateSort | 2011 |
| publisher | Information Science Reference |
| record_format | marc |
| spelling | Recent advances in broadband integrated network operations and services management [ed. by] Varadharajan Sridhar Hershey, PA Information Science Reference c2011 xxv, 343 p. ill. 29 cm txt rdacontent n rdamedia nc rdacarrier "This book covers the principles of both wired and wireless communications of voice, data, images, and video and the impact of their business values on the organizations in which they are used"--Provided by publisher. Includes bibliographical references and index Broadband communication systems Wireless communication systems Multimedia communications Information technology Management Telecommunication Breitbandkommunikation (DE-588)4008113-8 gnd rswk-swf (DE-588)4143413-4 Aufsatzsammlung gnd-content Breitbandkommunikation (DE-588)4008113-8 s DE-604 Sridhar, Varadharajan Sonstige (DE-588)141690534 oth Erscheint auch als Online-Ausgabe 1-609-60590-X Erscheint auch als Online-Ausgabe 978-1-609-60590-2 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027489237&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Recent advances in broadband integrated network operations and services management Broadband communication systems Wireless communication systems Multimedia communications Information technology Management Telecommunication Breitbandkommunikation (DE-588)4008113-8 gnd |
| subject_GND | (DE-588)4008113-8 (DE-588)4143413-4 |
| title | Recent advances in broadband integrated network operations and services management |
| title_auth | Recent advances in broadband integrated network operations and services management |
| title_exact_search | Recent advances in broadband integrated network operations and services management |
| title_full | Recent advances in broadband integrated network operations and services management [ed. by] Varadharajan Sridhar |
| title_fullStr | Recent advances in broadband integrated network operations and services management [ed. by] Varadharajan Sridhar |
| title_full_unstemmed | Recent advances in broadband integrated network operations and services management [ed. by] Varadharajan Sridhar |
| title_short | Recent advances in broadband integrated network operations and services management |
| title_sort | recent advances in broadband integrated network operations and services management |
| topic | Broadband communication systems Wireless communication systems Multimedia communications Information technology Management Telecommunication Breitbandkommunikation (DE-588)4008113-8 gnd |
| topic_facet | Broadband communication systems Wireless communication systems Multimedia communications Information technology Management Telecommunication Breitbandkommunikation Aufsatzsammlung |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027489237&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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