An Investigation into Transport Protocols and Data Transport ...

More documents

Recommendations

Info

List of Figures 16 9.6 Fairness distributions between 10 New-TCP flows against various Background Loads on DataTAG. . . . . . . . . . . . . . . 200 9.7 Aggregate goodput of n New-TCP flows. . . . . . . . . . . . . 200 9.8 Fairness between various number of concurrent parallel New- TCP flows on MB-NG. . . . . . . . . . . . . . . . . . . . . . . 201 9.9 Fairness between various number of concurrent parallel New- TCP flows on DataTAG. . . . . . . . . . . . . . . . . . . . . . 202 9.10 Impact of New-TCP flows on Standard TCP Bulk Traffic on MB-NG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 9.11 Impact of New-TCP flows on Standard TCP Bulk Traffic on DataTAG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 9.12 cwnd trace of New-TCP algorithms with various CBR Background Traffic loads on MB-NG. . . . . . . . . . . . . . . . . . 206 9.13 cwnd trace of New-TCP algorithms with various CBR Background Traffic Loads on DataTAG. . . . . . . . . . . . . . . . 207 9.14 cwnd trace of Standard TCP with various CBR Background Traffic Loads on DataTAG. . . . . . . . . . . . . . . . . . . . 208 9.15 Number of instance calls of moderate cwnd() of HSTCP with various CBR Background Traffic Loads on MB-NG. . . . . . . 209 9.16 Histogram of the Number of Segments acknowledged per ack under a Dummynet Link of 600Mbit/sec and 40ms RTT. . . . 210 9.17 cwnd and SACK Block trace of H-TCP with 400Mbit/sec CBR Background Traffic Loads on DataTAG. . . . . . . . . . 211 9.18 Histogram of SACK Processing Time in processor ticks of Standard TCP under Dummynet with 600Mbit/sec link capacity and 40ms RTT. . . . . . . . . . . . . . . . . . . . . . . 212
List of Figures 17 9.19 Dynamic switching of BE:AF bandwidth allocations every 60 seconds from 90:10, 70:30, 50:50, 30:70 and 10:90. . . . . . . . 219 9.20 QoS Efficiency Factors for various AF:BE allocations. . . . . . 220 9.21 New-TCP cwnd and throughput dynamic with 90% AF allocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 9.22 Effect of Congestion Moderation on Standard TCP with 90% AF allocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 9.23 Effect of Congestion Moderation on HSTCP with 70% and 90% AF allocation. . . . . . . . . . . . . . . . . . . . . . . . . 223 9.24 Effect of Congestion Moderation on ScalableTCP with 70% and 90% AF allocation. . . . . . . . . . . . . . . . . . . . . . . 224 9.25 WRED profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . 226 9.26 Effect of a gentle WRED upon ScalableTCP with 90% AF allocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 9.27 Goodput from CERN to Stanford. . . . . . . . . . . . . . . . . 232 9.28 Stability from CERN to Stanford. . . . . . . . . . . . . . . . . 233 9.29 Overhead from CERN to Stanford. . . . . . . . . . . . . . . . 234 9.30 Goodput from CERN to Dublin. . . . . . . . . . . . . . . . . . 235 9.31 Stability from CERN to Dublin. . . . . . . . . . . . . . . . . . 236 9.32 Overhead from CERN to Dublin. . . . . . . . . . . . . . . . . 237 9.33 Goodput from CERN to LBL. . . . . . . . . . . . . . . . . . . 238 9.34 Slow Convergence of HSTCP and ScalableTCP over long distance high capacity Internet links. . . . . . . . . . . . . . . . . 239 9.35 Stability from CERN to LBL. . . . . . . . . . . . . . . . . . . 239 9.36 Overhead from CERN to LBL. . . . . . . . . . . . . . . . . . . 240 9.37 Goodput from CERN to RAL. . . . . . . . . . . . . . . . . . . 240 9.38 Stability from CERN to RAL. . . . . . . . . . . . . . . . . . . 242
Page 1 and 2: An Investigation into Transport Pro
Page 3 and 4: Contents List of Figures . . . . .
Page 5 and 6: Contents 5 4.6 Summary . . . . . .
Page 7 and 8: Contents 7 8.2 Test Calibration . .
Page 9 and 10: Contents 9 10.3.5 Further Tests . .
Page 11 and 12: List of Figures 11 5.7 Effect on cw
Page 13 and 14: List of Figures 13 8.16 Unfairness
Page 15: List of Figures 15 8.32 Friendlines
Page 19 and 20: List of Figures 19 D.1 Internet pat
Page 21 and 22: List of Tables 21 A.1 Hardware and
Page 23 and 24: Publications And Workshops Some of
Page 25 and 26: 1.2. Research Scope 25 • Identifi
Page 27 and 28: 1.4. Dissertation Outline 27 • Id
Page 29 and 30: Chapter 2 High Energy Particle Phys
Page 31 and 32: 2.2. Analysis Methods 31 the data i
Page 33 and 34: 2.3. Data Volumes and Regional Cent
Page 35 and 36: 2.3. Data Volumes and Regional Cent
Page 37 and 38: 2.4. Data Transfer Requirements 37
Page 39 and 40: 2.5. Summary 39 data, the most impo
Page 41 and 42: 3.1. Data Intercommunication 41 mov
Page 43 and 44: 3.2. Network Monitoring 43 Whilst l
Page 45 and 46: 3.2. Network Monitoring 45 Internet
Page 47 and 48: 3.2. Network Monitoring 47 1 0.8 Bo
Page 49 and 50: Chapter 4 Transmission Control Prot
Page 51 and 52: 4.1. Overview 51 Throughput Delay L
Page 53 and 54: 4.2. Protocol Description 53 is dep
Page 55 and 56: 4.2. Protocol Description 55 As a r
Page 57 and 58: 4.3. Congestion Control 57 excessiv
Page 59 and 60: 4.3. Congestion Control 59 probe fo
Page 61 and 62: 4.4. Retransmission Timeout 61 tion
Page 63 and 64: 4.5. TCP Variants 63 mechanisms are
Page 65 and 66: 4.5. TCP Variants 65 connection ini
Page 67 and 68:
4.5. TCP Variants 67 20 15 cwnd sst
Page 69 and 70:
4.5. TCP Variants 69 no more acks t
Page 71 and 72:
4.5. TCP Variants 71 [Hoe96]. In bo
Page 73 and 74:
4.5. TCP Variants 73 TCP Timestamps
Page 75 and 76:
4.6. Summary 75 traffic for a parti
Page 77 and 78:
Chapter 5 TCP For High Performance
Page 79 and 80:
5.1. TCP Hardware Requirements 79 G
Page 81 and 82:
5.1. TCP Hardware Requirements 81 1
Page 83 and 84:
5.1. TCP Hardware Requirements 83 C
Page 85 and 86:
5.2. TCP Tuning & Performance Impro
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
5.3. Network Aid in Congestion Dete
Page 99 and 100:
5.3. Network Aid in Congestion Dete
Page 101 and 102:
5.4. Analysis of AIMD Congestion Co
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
5.5. Summary 109 5.5 Summary Even t
Page 111 and 112:
6.1. Survey of New-TCP Algorithms 1
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Page 123 and 124:
Page 125 and 126:
6.2. Discussion and Deployment Cons
Page 127 and 128:
Page 129 and 130:
Page 131 and 132:
Page 133 and 134:
6.3. Summary 133 6.3 Summary The re
Page 135 and 136:
Chapter 7 Testing Framework for the
Page 137 and 138:
7.1. Metrics 137 various New-TCP al
Page 139 and 140:
7.1. Metrics 139 assuming equilibri
Page 141 and 142:
7.2. Environment 141 of packets in
Page 143 and 144:
7.2. Environment 143 T 0 B, T T 1 F
Page 145 and 146:
Chapter 8 Systematic Tests of New-T
Page 147 and 148:
8.1. Methodology 147 fed into the d
Page 149 and 150:
8.1. Methodology 149 Various other
Page 151 and 152:
8.2. Test Calibration 151 Goodput (
Page 153 and 154:
8.2. Test Calibration 153 cwnd and
Page 155 and 156:
8.2. Test Calibration 155 100 1 Agg
Page 157 and 158:
8.2. Test Calibration 157 1000 FAST
Page 159 and 160:
8.3. Results 159 10 100 Total Throu
Page 161 and 162:
8.3. Results 161 14 12 HSTCP 1 α H
Page 163 and 164:
8.3. Results 163 cwnd (packets) 120
Page 165 and 166:
8.3. Results 165 Fraction Bytes Ret
Page 167 and 168:
8.3. Results 167 1200 1000 HTCP 1 H
Page 169 and 170:
8.3. Results 169 This is due to the
Page 171 and 172:
8.3. Results 171 4000 3500 3000 HTC
Page 173 and 174:
8.3. Results 173 800 700 600 Standa
Page 175 and 176:
8.3. Results 175 1 1 Fairness Ratio
Page 177 and 178:
8.3. Results 177 10 100 Total Throu
Page 179 and 180:
8.3. Results 179 1000 Standard TCP
Page 181 and 182:
8.3. Results 181 600 500 Standard T
Page 183 and 184:
8.4. Discussion of Results 183 Asym
Page 185 and 186:
8.4. Discussion of Results 185 New-
Page 187 and 188:
8.4. Discussion of Results 187 Asym
Page 189 and 190:
8.5. Summary 189 The importance of
Page 191 and 192:
9.1. Transfer Tests Across Dedicate
Page 193 and 194:
Page 195 and 196:
Page 197 and 198:
Page 199 and 200:
Page 201 and 202:
Page 203 and 204:
Page 205 and 206:
Page 207 and 208:
Page 209 and 210:
Page 211 and 212:
Page 213 and 214:
Page 215 and 216:
9.2. Preferential Flow Handling Usi
Page 217 and 218:
Page 219 and 220:
Page 221 and 222:
Page 223 and 224:
Page 225 and 226:
Page 227 and 228:
Page 229 and 230:
9.3. Internet Transfers 229 can cau
Page 231 and 232:
9.3. Internet Transfers 231 Stanfor
Page 233 and 234:
9.3. Internet Transfers 233 10 1 St
Page 235 and 236:
9.3. Internet Transfers 235 1000 90
Page 237 and 238:
9.3. Internet Transfers 237 Fractio
Page 239 and 240:
9.3. Internet Transfers 239 10000 c
Page 241 and 242:
9.3. Internet Transfers 241 achieve
Page 243 and 244:
9.4. Summary 243 performance of sin
Page 245 and 246:
9.4. Summary 245 Nevertheless, a Di
Page 247 and 248:
10.1. Summary 247 PCs. But at 1Gb/s
Page 249 and 250:
10.2. New-TCP Suitability Study 249
Page 251 and 252:
10.2. New-TCP Suitability Study 251
Page 253 and 254:
10.3. Future Directions 253 low ove
Page 255 and 256:
10.3. Future Directions 255 porates
Page 257 and 258:
10.3. Future Directions 257 A more
Page 259 and 260:
10.4. Conclusion 259 This dissertat
Page 261 and 262:
A.1. Data Storage 261 with the choi
Page 263 and 264:
A.1. Data Storage 263 gether with h
Page 265 and 266:
A.1. Data Storage 265 The virtual m
Page 267 and 268:
A.1. Data Storage 267 Read Speed (M
Page 269 and 270:
A.1. Data Storage 269 Read Speed (M
Page 271 and 272:
A.1. Data Storage 271 1600 1600 140
Page 273 and 274:
A.2. Network Interface Cards 273 la
Page 275 and 276:
A.2. Network Interface Cards 275 de
Page 277 and 278:
A.2. Network Interface Cards 277 of
Page 279 and 280:
A.2. Network Interface Cards 279 PC
Page 281 and 282:
A.2. Network Interface Cards 281 70
Page 283 and 284:
A.2. Network Interface Cards 283 Th
Page 285 and 286:
A.2. Network Interface Cards 285 20
Page 287 and 288:
A.2. Network Interface Cards 287 ha
Page 289 and 290:
B.2. Wide Area Network Tests 289 Da
Page 291 and 292:
C.3. DataTAG 291 Cisco 7606 Cisco 7
Page 293 and 294:
Appendix D Network Paths of Interne
Page 295 and 296:
295 ham02gva.datatag.org:192.91.239
Page 297 and 298:
Bibliography 297 [All03] [AMA + 99]
Page 299 and 300:
Bibliography 299 [BPSK96] H. Balakr
Page 301 and 302:
Bibliography 301 [DC02] [ea02] [FF9
Page 303 and 304:
Bibliography 303 [Flo03] [Flo04] S.
Page 305 and 306:
Bibliography 305 [Hoe96] [IET] [Jac
Page 307 and 308:
Bibliography 307 [KRB05] [Lah00] [L
Page 309 and 310:
Bibliography 309 [MHR03] [MM96] M.
Page 311 and 312:
Bibliography 311 [Pos81a] J. Postel
Page 313 and 314:
Bibliography 313 [tePM] IEPM Intern
show all

An Investigation into Transport Protocols and Data Transport ...

Create successful ePaper yourself

Delete template?

Save as template?