Broadband Communications, Networks and Systems

Name: Broadband Communications, Networks and Systems | 7th International ICST Conference, BROADNETS 2010, Athens, Greece, October 25-27, 2010, Revised Selected Papers
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7th International ICST Conference, BROADNETS 2010, Athens, Greece, October 25-27, 2010, Revised Selected Papers

Ioannis Tomkos Georgios Ellinas Prasun Sinha(Herausgeber*in)

Springer (Verlag)

Erschienen am 1. Mai 2012

XII, 550 Seiten

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978-3-642-30376-0 (ISBN)

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Inhalt

Title
Preface
Organization
Table of Contents
Internet Track
Developing Information Networking Further: From PSIRP to PURSUIT
Introduction
PSIRP
Components and Functions
Key Outcomes
PURSUIT
Main Goals
Expected Outcomes
Related Work
Conclusion
References
Analysis of Block-Aware Peer Adaptations in Substream-Based P2P
Introduction
Related Works
Child-Initiated Block-Aware Peer Adaptations
CoolStreaming Peer Adaptations
Analysis of Triggering Events
Fine-Grained Substream Change
Conservative Algorithm
Minimising the Diversity of Parents
Performance Evaluations
Conclusions
References
Designing Repeatable Experiments on an Emulab Testbed
Introduction
The Emulab Platform and Its Features
Experimental Results
Experimental Setup
Hardware Allocation Strategies
The Event Geeration System
Traffic Generators
Conclusion
References
Hybrid Content Distribution Network with a P2P Based Streaming Protocol
Introduction
The Problem of Data Redundancy
BitTorrent Protocol
Some Drawbacks of BitTorrent Protocol
BitTorrent Location Aware Protocol
Performance Study of Content Distribution Models
Experimental Setup
Performance Evaluation
IP-Multicast as Content Distribution Model
Program Code
Our Approach
Results
Conclusion
References
Traffic Dynamics Online Estimation Based on Measured Autocorrelation
Introduction
Model for Traffic Demand and Estimation
Demand Estimation by Exponential Smoothing
Literature Review of ES Methods
New Adaptive ES Approaches
Performance Analysis
Performance Metrics
Performance Results
Conclusion
References
Ethernet Services Transport Protocol with Configurable-QoS Attributes for Carrier Ethernet
Introduction
Limitations of Traditional TCP and Other Prominent Transport Protocols Paper Preparation
Ethernet Service Transport Protocol
Network Congestion Detection Mechanism
Mapping Function
Congestion Avoidance Control
Throughput and Packet Loss Rate Relationship
Congestion Avoidance Control with Configurable-QoS
Channel Model
Simulation Scenario
Results
Summary
Conclusions
References
Hybrid Demand Oblivious Routing: Hyper-cubic Partitions and Theoretical Upper Bounds
Introduction
Notations and Definitions
Cumulative Oblivious Ratio over Hyper-cubic Regions and a Partitioning Algorithm
The Theoretical Upper Bound
The Partitioning Algorithm
Evaluation
Related Work
Conclusion
References
Optimizing the Update Packet Stream for Web Applications
Introduction
Related Work
Analysis Framework
Preliminary Study
Terminology
Initial Observations
Smart Sync Approach
Basic Representation
Click Tracking: Precise Models
Click Probability Tracking: Practical Models
Experimental Evaluation
Click Tracking: Precise Models
Click Probability Tracking: Practical Models
Conclusions
References
Hi-sap: Secure and Scalable Web Server System for Shared Hosting Services
Introduction
Background
Shared Hosting Services
Security Threats in a Shared Server
Existing Approaches and Their Limitations
Design
Security with Little Performance Degradation
Scaling Number of Customers
Hi-sap Architecture
Implementation
Dispatcher
hisapd
SELinux Configuration
Evaluation
Basic Performance
Scalability
Comparison of Approaches
Discussion
Benefit of a User-Level Approach
Limitations
Target of Hi-sap
Conclusion
References
Wireless Track
Chameleon: On the Energy Efficiency of Exploiting Multiple Frequencies in Wireless Sensor Networks
Introduction
Energy Efficiency Analysis
System Model
Energy Efficiency Optimization
Energy Efficient Multi-channel Protocol Design
Channel to Load Assignment
Receiver-Centric Wakeup and Channel Scheduler
Implementation
Protocol Evaluation
Related Work
Concluding Remarks
References
Practical Multi-antenna Spatial Reuse in WLANs
Introduction
Background and Related Work
A Beamforming Primer
Related Work
Light-Weight Multi-antenna Spatial Reuse
Network Model
Solution Overview
LSR Channel Estimation
Link Scheduling
Performance Evaluation
Measurement Setup
LSR Channel Estimation in Isolation
Joint LSR Channel Estimation and Beamforming
LSR Integrated Operation
Impact of Channel Time Variation
Discussion
Conclusions
References
On the Scheduling and Multiplexing Throughput Trade-Off in MIMO Networks
Introduction
Related Work
Joint MIMO-MAC Resource Allocation
Assumptions
Problem Formulation
Problem Complexity
Non-convexity of P1
Approximate Problems
Iterative MIMO Link Scheduling (IMLS)
Optimal Spatial Multiplexing and Scheduling for Two Links
5.1.1 Lower Bound on X
5.1.2 Upper Bound on X
IMLS for Arbitrary Number of Links
5.2.1 Distributed Decision Rules
5.2.2 IMLS Description
Performance Results
Optimality Regions for K=2 Links
IMLS Performance for K&2 Links
Conclusions
References
Efficient Resource Allocation Algorithm for Spatial Multiuser Access in MISO OFDMA Systems
Introduction
System Model
Problem Formulation
The Proposed User Selection and Resource Allocation Algorithm
Complexity Analysis
Simulation Results
Conclusion
References
Signaling Load Evaluations for Policy-Driven Cognitive Management Architectures
Introduction
Cognitive Management Architecture
Dynamic Spectrum Management (DSM)
Dynamic, Self-organising Planning and Management (DSNPM)
Joint Radio Resource Management (JRRM)
Configuration Control Module (CCM)
Signaling Load Evaluation Approach
Test Cases and Results
Test Case 1: Generic Evaluations
Test Case 2: Scalability Issues
Test Case 3: Signaling Delays
Conclusion and Future Work
References
Image Quality Estimation in Wireless Multimedia Sensor Networks: An Experimental Study
Introduction
System Model
EC Algorithm
Image Quality
Image Transmission Model
Packet Loss Analysis
Experimental Setup
Image Quality Estimation
Performance Analysis
Testbed
Node Deployment
Image Transmission Setup
Testbed Results
Conclusion
References
Detecting TCP Traffic Dynamical Changes in UMTS Networks
Introduction
TCP Dynamical Behaviour
TCP over UMTS
Permutation Entropy Definition
Methodology
Results
Conclusions
References
Binary Symmetric Channel Based Aggregation with Coding for 802.11n WLANs
Introduction
Channel Models
Packet Erasure Rate of Rayleigh Channel
BSC Crossover Probability of Rayleigh Channel
Coding in Multi-user Channels
Modelling Analysis
Unicast
Multicast
Performance
Unicast
Multicast
Conclusions
References
An Impact of Cooperation and Altruism on Transmission
Payoffs without Altruism
Comparing Selfish, Cooperative and Bargaining Solutions
Payoffs with Altruism
Discussion
References
Optical Track
Multicast Routing in Hierarchical Optical Networks Using Collection-Distribution Networks
Introduction
Network and Traffic Model
Call Acceptance Criteria
Performance Metric
Routing in the CDN
Modified GMR Algorithm for Best-Effort Routing
Routing in the Core Network
Modified CNR Algorithm for Best-Effort Routing
Simulation Results
Comparison of Overlay and Peer Models
Conclusion
References
Future Proof Next Generation Access Networks -- The Case for FTTH
Introduction
Topology vs. Technology
The Case for Point-to-Point Topologies
The Case for Ethernet Technology
Transmission Technologies
Operational Considerations
Support for Video Broadcast
Support for Wireless Base Stations
Cost Considerations
Capital Cost
Operating Cost
Summary
Throughput-Delay Trade-Offs in Slotted WDM Ring Networks
Introduction
System
A Slotted WDM Ring
Scheduling
Access Protocols
Model
Traffic Characteristics
Throughput Metric
Delay Metric
Throughput Analysis of the Opportunistic Scheme
Load Balancing Impairment
Fairness Impairment
Simulation Results
Simulation Parameters
Traffic Scenarios
Results
Conclusion
References
Profiling TCP Traffic in Optical Burst Switching Networks
Introduction
TCP Traffic Profiling in OBS Networks
Collecting Traffic Statistics in OBS Networks
Predictability of Long-Lived TCP Flows in OBS Networks
TCP Flow Profiler Architecture
Burst Loss Ratio Estimation
Access Rate and RTT Estimation
Long Lived Flows Threshold
Long-Lived Flow Counting
Estimating Aggregated Steady-State Throughput
Profiler Evaluation
Conclusions
References
A Fault-Tolerant Multipoint Cycle Routing Algorithm (MCRA)
Multipoint Connection Problem
Multicast Protection Scheme
Multipoint Protection Scheme
Multipoint Connection Cycle
Network Graph Model
Multipoint Cycle Routing Algorithm (MCRA)
First Phase Algorithm
Second Phase Algorithm
Third Phase Algorithm
Detailed Example
Special Cases
Variations of MCR Heuristics Algorithm
ILP Formulation to Find Multipoint Cycles
Random Graph Generation for Heuristic Evaluation
Numerical Analysis
Comparison between Heuristic and ILP
Conclusion
References
Failure Presumed Protection (FPP): Optical Recovery with Approximate Failure Localization
Introduction
Failure Presumed Protection (FPP)
Approximate Failure Localization
System and Problem Formulation
Connection Setup in FPP
Connection Release in FPP
Simulation Results
Conclusions
References
Static Multipoint to Multipoint Buses Placement in Transparent Optical Networks
Introduction
MP2MP Optical Bus
Node Architecture
Physical Layer
Data Link Layer
Static Optical M2MP Bus Placement: An ILP Formulation
Network Dimensioning, Results and Comparison
MRU Compared to Optimal Solution
Average Bandwidth Model Network Modeling
The Flow Model
Conclusion
References
Ambient Intelligence in Network Management
Introduction
Related Works
Overview
Current Status of Network Errors Management
Correct Network Errors Management
Solutions
Solutions
Conclusions and Future Works
References
Using MPLS-TP for Data-Center Interconnection
Introduction
MPLS-TP Primers
Omnipresent Ethernet in the Data-Center
Implementing MPLS-TP in the Data-Center
Simulation Model and Results
Conclusion
References
A G.984 GPON Exhibiting Multi-wavelength Protocol Functionalities
Introduction
The Dynamic Multi-wavelength Protocol
Simulation Results
Conclusions
References
A Novel QoS Provisioning Scheme for OBS Networks
Introduction
Existing Cloning Schemes
The Proposed Classified Cloning Scheme
Simulation and Analysis
Conclusion
References
MoWAN 2010 Workshop
Enabling Multimode Wireless Access Networks Using Remote Radio Heads
Introduction
Delivering Wireless through Fiber
Functional Decomposition
Conclusions
References
Network Topology Visualization and Monitoring for Multi-hop Wireless Networks
Introduction
Related Work
System Design
Adjustable Level of Pervasiveness
Interoperability with Legacy Solutions
Ubiquitous Network Management
System Architecture
Tap
Sink
Signaling Layer
Management Dashboard
Evaluation
Implementation Details
Experimental Settings and Configuration
Results
Outlook and Future Work
References
Handover Performance Evaluation in WiMAX Mobility Scenarios
Introduction
Related Work
IEEE 802.16 Handover Mobility Issues in Smart-Net and Cross-Layer Optimization
Simulation Models
Comparative Simulation Results
Conclusions on WiMAX Mobility Simulations
Conclusion and Future Work
References
RAT Selection Optimization in Heterogeneous Wireless Networks
Introduction
Related Work
System Model and Problem Formulation
Branch and Bound
Greedy Heuristic
Simulation Results
Conclusions
References
Real-Time Inter-domain Handover Re-authentication Protocol
Introduction
The Security Architecture
SMART-Net Re-authentication Protocol
SMART-Net Re-authentication Protocol Security Properties Validation
Conclusion and Future Work
References
Workshop on Cross-Layer Algorithms and Protocols for Optical Networks
A Comparative Study of Impairments Aware Optical Networks Planning Tools
Introduction
Impairments Aware Network Planning Tools
Simulation Setup
Results
Conclusions
References
Elastic Bandwidth Allocation in Flexible OFDM-Based Optical Networks
Introduction
OFDM-Based Optical Network
Transmission Rate Service Guarantees
RMLSA Requirements
Spectrum Efficiency Study
Conclusions
References
Green Networking Workshop
Evaluation of Effect of Network Energy Consumption in Load Distribution across Data Centers
Introduction
Related Works
Request Distribution That Respects Network Energy Consumption
System Model
Problem Overview
Assumptions about Energy Consumption
Problem Formulation
Optimization Policy
Instantiation of Parameters
Evaluation
Methodology
Solving the Optimization Problem
Parameter Settings
Results
Conclusions
References
Green Wireless Networks through Exploitation of Correlations
Introduction
Distributed Compression
System Model
Phenomenon Model and Spatial Correlations
Deployment Model
Communication Model
Derivation of the Net Energy Balance
Energy-Efficiency Analysis
Impact of Distributed Compression
Impact of Deployment Strategies
Network Lifetime Analysis
Conclusions
References
Energy-Oriented Models for WDM Networks
Introduction
Background
Energy-Aware Architectures
Energy Models
Analytic Energy Models
Experimental Energy Models
Theoretical Energy Models
Power Consumption Models
Linear Power Consumption Models
Theoretical Power Consumption Models
Combined Power Consumption Models
Statistical Power Consumption Models
A Comprehensive Energy Model for WDM Networks
Conclusions
References
Author Index

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