COMNET III

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<strong>COMNET</strong> <strong>III</strong> Reports and Statistics Lower Limit Upper Limit Interval Int. Min Int. Max Int. Mean Int. Std. Dev. Int. Sum Int. Sum of Squares Int. Count Int. Lower Limit Int. Upper Limit The lower limit of the confidence interval alpha value you specify for the raw observational data. The confidence interval alpha is specified under the Statistics tab, which is found under the Simulate/Run Parameters menu option. Lower Limit values will only show up for simulations running more than one replication. The upper limit of the confidence interval alpha value you specify. The confidence interval alpha is specified under the Statistics tab, which is found under the Simulate/Run Parameters menu option. Upper Limit values will only show up for simulations running more than one replication. The confidence interval alpha value entered by the user. The smallest value of the samples from the intervals. The largest value of the samples from the intervals. The mean value of the samples from the intervals. The standard deviation value of the samples from the intervals. The sum of values value of the samples from the intervals. The levels are time-weighted. To compute the mean for a level statistic, divide the Sum by the length of a replication. The sum-of-squared-values value of the samples from the intervals. The levels are time-weighted. The count of intervals value of the samples from the intervals. The lower limit of the confidence interval alpha value you specify for the interval sampled data. The confidence interval alpha is specified under the Statistics tab, found under the Simulate/Run Parameters menu option. Lower Limit values will only show up for simulations running more than one replication. The Lower Limit values show up on the 0 th replication labeled as Cumulative in the tables or replication 0 in the export file. The upper limit of the confidence interval alpha value you specify for the interval sampled data. The confidence interval alpha is specified under the Statistics tab, which is found under the Simulate/Run Parameters menu option. Upper Limit values will only show up for simulations running more than one replication. The Upper Limit values show up on the 0 th replication labeled as Cumulative in the tables or replication 0 in the export file. 8
Statistics At the bottom of the monitor table are counter tables for message destination counters, link counters, node counters, other transmission counters, buffer packet counters and other counters. 1.2 Access Link Monitors The simulation can monitor statistics for each access link’s entry and exit utilization, and the statistics for the buffer size at the exit end. The buffer size is the number of framelevel bytes (including frame overhead) that reside in the buffer for both the frames waiting for transmission on the exit link and the frames currently transmitting on the exit link. The link utilization is the ratio of the number of circuits busy transmitting frames divided by the total number of circuits available. Generally there will be just a single circuit, and so the basic utilization will have either the value of zero or one. The event statistics are labeled as Exit Buffer Size, Entry Link Utilization, and Exit Link Utilization. Observations of these events may be saved for plotting or post-run analysis. However, there is an observation collected for each frame entering and leaving an access link and, thus, there will generally be a very large number of observations to record. Averaged statistics for the buffer size and link utilization are also available and they are labeled as Mean Exit Buffer Size, Mean Entry Link Utilization, and Mean Exit Link Utilization. These monitors will sample the averaged value at each sampling interval instead of each event, and, thus, there will be fewer observations to plot. However, the averaging interval can no longer be varied as part of the post-run analysis. The average statistics may also be selected for real-time plots that will update at each update interval during the simulation. These real-time monitors are labeled R-T Mean Exit Buffer Size, R-T Mean Entry Utilization, and R-T Mean Exit Utilization, where R-T is an abbreviation for real-time. Note: The term “real-time” refers to the plots that are available and updating while the simulation progresses. It does not refer to whether the simulation itself is running in real-time. 1.3 Virtual Circuit Monitors For virtual circuits, the simulation can measure the frame delay and the leaky-bucket burst size. The frame delay is the time the frame takes to traverse the cloud from the moment it is created at the input to the entry link to the time it is delivered at the output of the exit link. This frame delay counts only the frames that successfully go through the cloud, and, thus, it does not count frames that are dropped within the cloud. The frame delay monitor labeled Frame Delay collects statistics for the delay for each frame that is delivered. The Mean Frame Delay monitors the averaged frame delay over the mean-statistics interval, and the Real-Time Mean Frame Delay provides a real-time plot of the averaged delay for this virtual circuit. The Burst Size is the current size of the leaky-bucket burst at the time a frame is accepted by the virtual circuit and, thus, the frame size is added to the burst. The Burst Size contains only the data bytes for the encapsulated packets and, thus, it does not include the frame 9
Page 1 and 2: COMNET III ________________________
Page 3 and 4: Contents Section I Statistics Monit
Page 5 and 6: Contents 8.14 DISCARD ELIGIBLE PACK
Page 7 and 8: Section I Statistics Monitors 1
Page 9 and 10: Statistics The fields of the dialog
Page 11 and 12: Statistics When plots of saved data
Page 13: Statistics confidence interval alph
Page 17 and 18: Statistics 1.4 Processing Node Moni
Page 19 and 20: Statistics 1.6 HOL Blocking Switch
Page 21 and 22: Statistics Sessions In-Progress Mea
Page 23 and 24: Statistics 1.9 Dialup Point-to-Poin
Page 25 and 26: Statistics 1.11 FDM Link Monitors U
Page 27 and 28: Statistics 1.13 Link Group Link Mon
Page 29 and 30: Statistics 1.14 Modem Pool Monitors
Page 31 and 32: Statistics 1.16 Polling Link Monito
Page 33 and 34: Statistics 1.18 STK Link Monitors T
Page 35 and 36: Statistics Time To Connect Channels
Page 37 and 38: Statistics 1.19 TDM Link Monitors N
Page 39 and 40: Statistics 1.21 Token Passing Link
Page 41 and 42: Statistics 1.23 WAN Cloud Access Li
Page 43 and 44: Statistics 1.25 Message Sources Mon
Page 45 and 46: Statistics 1.27 Application Sources
Page 47 and 48: Statistics 1.29 Output Buffer Monit
Page 49 and 50: Section II Reports 43
Page 51 and 52: Reports COMNET III generates a numb
Page 53 and 54: Reports The reports are placed in a
Page 55 and 56: 2. Nodes Nodes represent processing
Page 57 and 58: Chapter 2. Nodes Busy Output Proces
Page 59 and 60: Chapter 2. Nodes 2.3 Received Messa
Page 61 and 62: Chapter 2. Nodes as the requested t
Page 63 and 64: Chapter 2. Nodes 2.6 Call Counts Re
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Chapter 2. Nodes 2.7 Call Level Rep
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Chapter 2. Nodes 2.9 Output Buffer
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Chapter 2. Nodes Packets Preempted
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Chapter 2. Nodes 2.13 Output Buffer
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3. Links Links represent communicat
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Chapter 3. Links Link Utilization T
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Chapter 3. Links KBPS Delivered The
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Chapter 3. Links 3.4 Frame Size Rep
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Chapter 3. Links Number Of Retries
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Chapter 3. Links 3.7 Connection Sta
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Chapter 3. Links 3.9 Session Level
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Chapter 3. Links Calls Preempted Th
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4. WAN Cloud A WAN Cloud represents
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Chapter 4. WAN Cloud 4.2 Frame Coun
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Chapter 4. WAN Cloud Buffer (Bytes)
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5. Application Sources Application
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Chapter 5. Application Sources 5.2
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6. Message and Response Sources Mes
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Chapter 6. Message and Response Sou
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7. Call Sources Call Sources create
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7.2 Disconnected Call Counts Report
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8. Session Sources Session Sources
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Chapter 8. Session Sources 8.2 Mess
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Chapter 8. Session Sources 8.4 Setu
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Chapter 8. Session Sources 8.6 Setu
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Chapter 8. Session Sources 8.7 Wind
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Chapter 8. Session Sources 8.9 Time
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Chapter 8. Session Sources 8.11 Pac
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Chapter 8. Session Sources 8.13 Ass
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9. Transport and Answer Commands Tr
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Chapter 9. Transport and Answer Com
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10. Setup Commands Setup Commands,
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Chapter 10. Setup Commands 10.2 Mes
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Chapter 10. Setup Commands 10.4 Set
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Chapter 10. Setup Commands 10.6 Set
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Chapter 10. Setup Commands 10.8 Ret
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Chapter 10. Setup Commands 10.10 Ac
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Chapter 10. Setup Commands 10.12 Bu
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Chapter 10. Setup Commands 10.13 As
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11. Global Transport and Answer Com
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Chapter 11. Global Transport and An
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12. Global Setup Commands Global Se
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Chapter 12. Global Setup Commands 1
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13. Miscellaneous Reports 191
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Chapter 13. Miscellaneous Reports P
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Chapter 13. Miscellaneous Reports 1
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Chapter 13. Miscellaneous Reports t
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Index A Access Link Statistics ....
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Index Node Disk Capacity ..........
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Index Calls In Progress ...........
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Index Data Utilization From Net Acc
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COMNET III

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