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Enhancing development and deployment of softwarised network services / Manuel Peuster ; [Referees: Prof. Dr. Holger Karl, Paderborn University, Germany, Prof. Dr. Antonio Capone, Politecnico di Milano, Italy]. Paderborn, 2020
Inhalt
Abstract
Introduction
Chances and challenges in network softwarisation
Publications
Structure of the thesis
Background
Software defined networking
Interfaces
Open-source SDN controllers
Network function virtualisation
An NFV scenario
The NFV reference architecture
Service description and packaging approaches
Management and orchestration
NFV infrastructure
Development and operation support
Developing stateful VNFs
Introduction
Related work
A distributed state management framework
State management with global view
Programming model and APIs
Prototype implementation
Evaluation
Conclusion
Operation support for stateful VNFs
Introduction
Related work
Seamless handover protocol (SHarP)
Handover scenario
Transparency towards VNF and state management
Handover procedure
Removing buffer load from the controller
Evaluation
Handover characteristics
Multi-handover performance
Conclusion
Rapid prototyping
Rapid prototyping of NFV functions and services
Introduction
Related work
Container-based network emulations
Emulating multi-PoP NFV scenarios
Workflow
System architecture
Topology definition
Flexible endpoint API
Chain management and forwarding paths
Evaluation
Emulating PoP resource limits
Models
Implementation
Evaluation
Conclusion
Adding NSH-enabled SFC prototyping capabilities
Introduction
Related work
Requirements
Adding NSH support to the emulation platform
SFC controller
SFC API
Simplified prototyping using pre-packaged SFC components
Case study
Conclusion
Supporting the evolution of MANO systems using emulation-based smoke testing
Introduction
Background
Management and orchestration in NFV
Smoke testing
Related work
Emulation-based smoke testing
Approach
Prototype
Results
Emulation platform scalability
Case study: OSM rel. THREE vs. OSM rel. FOUR
Discussion
Conclusions
Performance benchmarking
Automated benchmarking for NFV
Introduction
Benchmarking as part of the NFV DevOps cycle
Challenges and research questions
Related work
Automated performance benchmarking of NFV functions and services
Benchmarking platform design and workflow
Describing benchmarking experiments
Packaging benchmarking results
Case study: Chain-based benchmarking
Scenarios and approach
Throughput: Isolated function vs. service chain
Response time: Isolated function vs. service chain
Conclusion
Benchmarking under time constraints
Introduction
Problem formulation
Related work
Designing a T-CB system
Building blocks and workflow
Selection component
Prediction component
Evaluation
Conclusion
Collecting, analysing, and publishing benchmarking data sets
Introduction
Related work
Methodology & workflow
Collecting, analysing, and publishing the first data sets
Experiment setup
Data collection
Resulting data sets
Using the data sets
Publishing the data sets
Conclusion
Final thoughts
Summary
Conclusions
Future research
List of Acronyms
List of Figures
List of Tables
List of Listings
Bibliography
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