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Thread: Nitro Test Results Help.

  1. #1
    The Mad Scientist! Rocky_Grim's Avatar
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    Feb 2003
    Location
    New Castle PA
    Posts
    351

    Nitro Test Results Help.

    Are they test ok? Does anyone see a problem with this test?

    WEB100 Enabled Statistics:
    Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
    checking for firewalls . . . . . . . . . . . . . . . . . . . Done
    running 10s outbound test (client-to-server [C2S]) . . . . . 711.0kb/s
    running 10s inbound test (server-to-client [S2C]) . . . . . . 11.38Mb/s

    ------ Client System Details ------
    OS data: Name = Windows Vista, Architecture = x86, Version = 6.0
    Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0

    ------ Web100 Detailed Analysis ------
    Cable modem/DSL/T1 link found.
    Link set to Full Duplex mode
    No network congestion discovered.
    Good network cable(s) found
    Normal duplex operation found.

    Web100 reports the Round trip time = 173.7 msec; the Packet size = 1460 Bytes; and
    No packet loss was observed.
    C2S throughput test: Packet queuing detected: 0.90%
    S2C throughput test: Packet queuing detected: 1.35%
    This connection is receiver limited 71.67% of the time.
    This connection is network limited 28.16% of the time.

    Web100 reports TCP negotiated the optional Performance Settings to:
    RFC 2018 Selective Acknowledgment: ON
    RFC 896 Nagle Algorithm: ON
    RFC 3168 Explicit Congestion Notification: OFF
    RFC 1323 Time Stamping: OFF
    RFC 1323 Window Scaling: ON

    Server 'nitro.ucsc.edu' is not behind a firewall. [Connection to the ephemeral port was successful]
    Client is not behind a firewall. [Connection to the ephemeral port was successful]
    Packet size is preserved End-to-End
    Server IP addresses are preserved End-to-End
    Information: Network Address Translation (NAT) box is modifying the Client's IP address
    Server says [71.61.50.70] but Client says [192.168.1.2]

    WEB100 Kernel Variables:
    Client: localhost/127.0.0.1
    CurMSS: 1460
    X_Rcvbuf: 103424
    X_Sndbuf: 103424
    AckPktsIn: 1132
    AckPktsOut: 0
    BytesRetrans: 0
    CongAvoid: 0
    CongestionOverCount: 0
    CongestionSignals: 0
    CountRTT: 1132
    CurCwnd: 494940
    CurRTO: 570
    CurRwinRcvd: 185344
    CurRwinSent: 16304
    CurSsthresh: 2147483647
    DSACKDups: 0
    DataBytesIn: 0
    DataBytesOut: 14372240
    DataPktsIn: 0
    DataPktsOut: 9845
    DupAcksIn: 0
    ECNEnabled: 0
    FastRetran: 0
    MaxCwnd: 494940
    MaxMSS: 1460
    MaxRTO: 900
    MaxRTT: 580
    MaxRwinRcvd: 494848
    MaxRwinSent: 16304
    MaxSsthresh: 0
    MinMSS: 1460
    MinRTO: 340
    MinRTT: 100
    MinRwinRcvd: 256
    MinRwinSent: 16304
    NagleEnabled: 1
    OtherReductions: 0
    PktsIn: 1132
    PktsOut: 9845
    PktsRetrans: 0
    RcvWinScale: 7
    SACKEnabled: 3
    SACKsRcvd: 0
    SendStall: 0
    SlowStart: 337
    SampleRTT: 320
    SmoothedRTT: 340
    SndWinScale: 8
    SndLimTimeRwin: 7182234
    SndLimTimeCwnd: 2821752
    SndLimTimeSender: 16137
    SndLimTransRwin: 40
    SndLimTransCwnd: 39
    SndLimTransSender: 1
    SndLimBytesRwin: 10173280
    SndLimBytesCwnd: 4198960
    SndLimBytesSender: 0
    SubsequentTimeouts: 0
    SumRTT: 196630
    Timeouts: 0
    TimestampsEnabled: 0
    WinScaleRcvd: 8
    WinScaleSent: 7
    DupAcksOut: 0
    StartTimeUsec: 70934
    Duration: 10019106
    c2sData: 2
    c2sAck: 2
    s2cData: 8
    s2cAck: 4
    half_duplex: 0
    link: 100
    congestion: 0
    bad_cable: 0
    mismatch: 0
    spd: 11.47
    bw: 64.13
    loss: 0.000001000
    avgrtt: 173.70
    waitsec: 0.00
    timesec: 10.00
    order: 0.0000
    rwintime: 0.7168
    sendtime: 0.0016
    cwndtime: 0.2816
    rwin: 3.7754
    swin: 0.7891
    cwin: 3.7761
    rttsec: 0.173701
    Sndbuf: 103424
    aspd: 0.00000
    CWND-Limited: 90.54

    The theoretical network limit is 64.13 Mbps
    The NDT server has a 50.0 KByte buffer which limits the throughput to 4.54 Mbps
    Your PC/Workstation has a 483.0 KByte buffer which limits the throughput to 21.73 Mbps
    The network based flow control limits the throughput to 21.73 Mbps

    Client Data reports link is 'T1', Client Acks report link is 'T1'
    Server Data reports link is 'OC-48', Server Acks report link is 'T3'

  2. #2
    Elite Member trogers's Avatar
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    Location
    Bangkok, Thailand
    Posts
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    Looks good. Since Vista auto-tune RWIN to match latency, all you need to do is to ensure good signal quality.

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