This is the Summary version of this report. Click here for a full version.
These values are calculated by tracking values over an interval of time and reporting the average for that interval. The interval's duration is calculated as:
interval = max((stop_time - start_time) / graph_width_in_pixels, requested_sample_interval)
If you click on the thumbnail image for each graph, you will be taken to a larger graph with details about the sample period used, min, max and other information. For this report, the requested sample interval is set to: 0ms.
Graph set for Transmit Rate (bits per second) These values are calculated by tracking the number of bits received and/or transmitted over a period of time and reporting the average for that period. A 3-second running average (calculated by the server processes) is also graphed for comparison.
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| Transmit Rate Chart |
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| Transmit Rate Chart |
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Graph set for Receive Rate (bits per second)
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| Receive Rate Chart |
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| Rate Chart |
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| Rate Chart |
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Graph set for Transmit Packet Rates (Packets per Second) These values are calculated by tracking the number of packets received and/or transmitted over a period of time and reporting the average for the period.
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| Transmit Packets Chart |
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| Transmit Packets Chart |
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Graph set for Receive Packets Rates (Packets per Second)
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| Receive Packets Chart |
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Combined Graph for Transmit and Receive Packet Rates (Packets per Second)
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| Packets Chart |
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Graph set for Packet Drop Percentage These values report the packet drop percentage. The value is calculated by: (peer's total tx_pkts - local's total rx_pkts) / peer's total tx_pkts and will be slightly inaccurate due to reporting delays and packets-in-flight. These values are calculated over the entire life of the test. Over time, the values will become more accurate as the possible errors become a smaller percentage of the totals.
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| Packet Drop Percentage |
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Graph set for Packet Latency Distributions (milliseconds) These values are calculated by tracking the number of packets in each latency band. A darker line indicates more latency packets for that time frame. The length of the line indicates the possible range for the packet latencies of that sample. For SIP VoIP calls, this latency is one-way latency reported by the RTCP protocol, which samples every 5 seconds or so. Another graph will be generated below for VoIP jitter that is more accurate in most cases.
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| Latency Distribution Chart |
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Graph set for VoIP Call Attempt Rates (Call Attempts per Second) These values are calculated by tracking the number of attempted calls per second.
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| VoIP Call Attempts Chart |
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| VoIP Call Attempts Chart |
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Graph set for VoIP Call Completion Rates (Call Completions per Second) These values are calculated by tracking the number of completed calls per second.
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| VoIP Call Completions Chart |
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| VoIP Call Completions Chart |
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Graph set for VoIP Call Statistics These values are calculated by tracking the number of attempted, completed, and failed calls per second.
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| VoIP Calls Chart |
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| VoIP Calls Chart |
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Graph set for VoIP PESQ Scores These values are calculated by tracking the PESQ scores reported by LANforge.
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| VoIP PESQ Scores Chart |
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Graph set for VoIP Call Failed Rates (Call Failures per Second) These values are calculated by tracking the number of failed calls per second. If a graph is blank, no errors were reported for the specified time frame.
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| VoIP Call Failures Chart |
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| VoIP Call Failures Chart |
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Graph set for VoIP and Armageddon Packet Error Rates (Packets per Second These values are calculated by tracking the number of errored RTP packets (dropped, duplicated, out-of-order) received and/or transmitted over a period of time and reporting the average for the period. The statistics are determined by looking at the sequence numbers. If there were zero errors of a particular type for the entire reporting period, the graph will ignore that data type for that graph. A completely empty graph means there were no errors detected.
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| Packet Errors Chart |
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| Packet Errors Chart |
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Graph set for VoIP RTP Packet Jitter Distributions (milliseconds) These values are calculated by tracking the number of RTP packets in each jitter band. A darker line indicates more latency packets for that time frame. The length of the line indicates the possible range for the packet jitter of that sample. The jitter is calculated by taking the expected arrival time of each RTP packet v/s the actual arrival time. All reported values are positive (if the raw value was negative, the sign is flipped.)
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| RTP Jitter Distribution Chart |
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