Performance Evaluation and Optimization of Content Distribution using Overlay Networks:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Schriftenreihe: | Würzburger Beiträge zur Leistungsbewertung Verteilter Systeme
2013,01 |
| Schlagworte: | |
| Online-Zugang: | kostenfrei Inhaltsverzeichnis |
| Beschreibung: | V, 131 S. Ill., graph. Darst. |
Internformat
MARC
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Datensatz im Suchindex
| _version_ | 1804150137088376832 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1
1.1 SCIENTIFIC CONTRIBUTION 4
1.2 OUTLINE O F THESIS 6
2 CONTENT DISTRIBUTION OVERLAYS AND TRAFFIC OPTIMIZATION 9
2.1 CONTENT DISTRIBUTION OVERLAYS IN THE INTERNET 10
2.1.1 BITTORRENT AND ITS MECHANISMS 10
2.1.2 MEASUREMENTS O F LIVE BITTORRENT SWARMS 14
2.1.3 ANALYTICAL PERFORMANCE MODELS O F BITTORRENT 16
2.2 PROBLEM OF INTER-ISP TRAFFIC 17
2.2.1 TRAFFIC O F CONTENT DISTRIBUTION OVERLAYS 17
2.2.2 ISP RELATIONS AND CHARGING MODELS 18
2.2.3 THE NEED FOR TRAFFIC OPTIMIZATION 20
2.3 APPROACHES TO TRAFFIC OPTIMIZATION 20
2.3.1 LOCALITY-AWARENESS 21
2.3.2 CACHING 30
3 OVERLAY NETWORKS IN TODAY S INTERNET: MEASUREMENTS AND
CHARACTERIZATIONS 35
3.1 SETUP OF OVERLAY MEASUREMENTS 37
3.1.1 CONDUCTED MEASUREMENTS 37
3.1.2 DISTRIBUTED MONITORING O F A TRACKER 39
3.2 MEASUREMENTS OF REAL-WORLD BITTORRENT SWARMS 43
3.2.1 POPULATION SIZES IN SWARMS 4 4
III
HTTP://D-NB.INFO/1031749411
IMAGE 2
CONTENTS
3.2.2 TIME-DYNAMICS WITHIN A SWARM 48
3.2.3 DISTRIBUTION OF PEERS OVER ASES 53
3.2.4 AS CLUSTERING OF PEERS . . 55
3.2.5 RELATION OF NUMBER OF PEERS AND AS DEGREE 57
3.2.6 ALTERNATIVE METRIC FOR LOCALITY: COUNTRY CODES 59
3.2.7 CHARACTERISTICS OF REGIONAL SWARMS 61
3.2.8 SUMMARY O F MEASUREMENT RESULTS 64
3.2.9 LIMITATIONS OF THE MEASUREMENT STUDY 65
3.3 STATISTICAL CHARACTERIZATIONS O F BITTORRENT SWARMS 66
3.3.1 POWER-LAW OF THE DISTRIBUTION OF PEERS OVER ASES . . . . 66
3.3.2 ADDITIONAL PARAMETERS OF BITTORRENT SWARMS 68
3.4 LESSONS LEARNED 71
4 PERFORMANCE EVALUATION OF CACHING STRATEGIES IN OVERLAY NET WORKS 73
4.1 BACKGROUND AND SYSTEM DESCRIPTION 75
4.1.1 TAXONOMY O F P2P CACHES 75
4.1.2 SYSTEM AND NETWORK MODEL 76
4.2 SYSTEM DYNAMICS WITH CACHING 78
4.2.1 THE CASE OF A SINGLE SYSTEM 79
4.2.2 THE CASE OF MULTIPLE SYSTEMS 82
4.2.3 MODEL VALIDATION 84
4.2.4 NUMERICAL RESULTS 91
4.3 THE IMPACT O F CACHING ON TRANSIT TRAFFIC 91
4.3.1 A SIMPLE MODEL OF TRANSIT TRAFFIC 92
4.3.2 ASYMPTOTIC RESULTS OF CACHE EFFICIENCY 94
4.3.3 MODEL VALIDATION 97
4.3.4 NUMERICAL RESULTS AND INSIGHTS 98
4.4 IMPROVING THE CACHE EFFICIENCY 101
4.4.1 IMPLEMENTATION OF RNS IN BITTORRENT 102
4.4.2 SYSTEM DYNAMICS UNDER RNS 102
I V
IMAGE 3
CONTENTS
4.4.3 TRANSIT TRAFFIC ESTIMATES UNDER RNS 103
4.4.4 MODEL VALIDATION 104
4.4.5 NUMERICAL RESULTS AND INSIGHTS 107
4.5 OUTLOOK ON MULTI-SWARM SCENARIOS 109
4.5.1 CACHE UPLOAD CAPACITY ALLOCATION PROBLEM 110
4.5.2 CACHE CAPACITY ALLOCATION POLICIES 110
4.5.3 PERFORMANCE O F ALLOCATION POLICIES 112
4.6 LESSONS LEARNED 114
5 CONCLUSION 117
BIBLIOGRAPHY AND REFERENCES 121
V
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| physical | V, 131 S. Ill., graph. Darst. |
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| series | Würzburger Beiträge zur Leistungsbewertung Verteilter Systeme |
| series2 | Würzburger Beiträge zur Leistungsbewertung Verteilter Systeme |
| spelling | Lehrieder, Frank Verfasser (DE-588)1031969977 aut Performance Evaluation and Optimization of Content Distribution using Overlay Networks von Frank Lehrieder Leistungsbewertung und Optimierung von Overlay Netzwerken zum Verteilen großer Datenmengen 2013 V, 131 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Würzburger Beiträge zur Leistungsbewertung Verteilter Systeme 2013,01 Würzburg, Univ., Diss., 2013 Verteiltes System (DE-588)4238872-7 gnd rswk-swf Overlay-Netz (DE-588)4770227-8 gnd rswk-swf Leistungsbewertung (DE-588)4167271-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Leistungsbewertung (DE-588)4167271-9 s Verteiltes System (DE-588)4238872-7 s Overlay-Netz (DE-588)4770227-8 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:20-opus-76018 Würzburger Beiträge zur Leistungsbewertung Verteilter Systeme 2013,01 (DE-604)BV011319966 2013,01 https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-76018 Resolving-System kostenfrei Volltext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025779889&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Lehrieder, Frank Performance Evaluation and Optimization of Content Distribution using Overlay Networks Würzburger Beiträge zur Leistungsbewertung Verteilter Systeme Verteiltes System (DE-588)4238872-7 gnd Overlay-Netz (DE-588)4770227-8 gnd Leistungsbewertung (DE-588)4167271-9 gnd |
| subject_GND | (DE-588)4238872-7 (DE-588)4770227-8 (DE-588)4167271-9 (DE-588)4113937-9 |
| title | Performance Evaluation and Optimization of Content Distribution using Overlay Networks |
| title_alt | Leistungsbewertung und Optimierung von Overlay Netzwerken zum Verteilen großer Datenmengen |
| title_auth | Performance Evaluation and Optimization of Content Distribution using Overlay Networks |
| title_exact_search | Performance Evaluation and Optimization of Content Distribution using Overlay Networks |
| title_full | Performance Evaluation and Optimization of Content Distribution using Overlay Networks von Frank Lehrieder |
| title_fullStr | Performance Evaluation and Optimization of Content Distribution using Overlay Networks von Frank Lehrieder |
| title_full_unstemmed | Performance Evaluation and Optimization of Content Distribution using Overlay Networks von Frank Lehrieder |
| title_short | Performance Evaluation and Optimization of Content Distribution using Overlay Networks |
| title_sort | performance evaluation and optimization of content distribution using overlay networks |
| topic | Verteiltes System (DE-588)4238872-7 gnd Overlay-Netz (DE-588)4770227-8 gnd Leistungsbewertung (DE-588)4167271-9 gnd |
| topic_facet | Verteiltes System Overlay-Netz Leistungsbewertung Hochschulschrift |
| url | https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-76018 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025779889&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV011319966 |
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