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Posts posted by ates

    Help lowering re-transmitted packets?

    in Make it Faster...

    Posted

    OK Van Buren I found that setting the RWIN to 29200 resulted in:

    WEB100 Enabled Statistics:

    Checking for Middleboxes . . . . . . . . . . . . . . . . . .  Done

    running 10s outbound test (client to server) . . . . . 373.55Kb/s

    running 10s inbound test (server to client) . . . . . . 4.03Mb/s

    ------  Client System Details  ------

    OS data: Name = Windows XP, Architecture = x86, Version = 5.1

    Java data: Vendor = Sun Microsystems Inc., Version = 1.4.2_04

    ------  Web100 Detailed Analysis  ------

    Cable modem/DSL/T1 link found.

    Link set to Half Duplex mode

    No network congestion discovered.

    Good network cable(s) found

    Normal duplex operation found.

    Web100 reports the Round trip time = 53.58 msec; the Packet size = 1460 Bytes; and

    There were 2 packets retransmitted, 37 duplicate acks received, and 38 SACK blocks received

    The connection was idle 0 seconds (0%) of the time

    This connection is receiver limited 70.62% of the time.

      Increasing the current receive buffer (28.0 KB) will improve performance

    This connection is network limited 29.32% of the time.

      Contact your local network administrator to report a network problem

        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: OFF

    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

    But my download speeds suffer bigtime with the lower rwin. Shouldn't it be quicker with less re-transmitted packets? Is having low re-transmission a trade off for higher d/l speeds?

    :::.. Download Stats ..:::

    Connection is:: 2791 Kbps about 2.8 Mbps (tested with 2992 KB)

    Download Speed is:: 341 KB/s

    Tested From:: http://www.testmy.net/

    Test Time:: Sun Jan 30 2005 13:36:58 GMT-0800 (Pacific Standard Time)

    Bottom Line:: 50X faster than 56K 1MB download in 3 sec

    Validation Link:: https://testmy.net/id-NTY53EZHU

    thanks!

    Help lowering re-transmitted packets?

    in Make it Faster...

    Posted

    WEB100 Enabled Statistics:

    Checking for Middleboxes . . . . . . . . . . . . . . . . . .  Done

    running 10s outbound test (client to server) . . . . . 373.55Kb/s

    running 10s inbound test (server to client) . . . . . . 4.09Mb/s

    ------  Client System Details  ------

    OS data: Name = Windows XP, Architecture = x86, Version = 5.1

    Java data: Vendor = Sun Microsystems Inc., Version = 1.4.2_04

    ------  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 = 53.11 msec; the Packet size = 1460 Bytes; and

    There were 55 packets retransmitted, 236 duplicate acks received, and 259 SACK blocks received

    The connection stalled 1 times due to packet loss

    The connection was idle 0.24 seconds (2.4%) of the time

    This connection is receiver limited 4.44% of the time.

      Increasing the current receive buffer (62.0 KB) will improve performance

    This connection is network limited 95.51% of the time.

      Contact your local network administrator to report a network problem

        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: OFF

    Packet size is preserved End-to-End

    Server IP addresses are preserved End-to-End

    Help lowering re-transmitted packets?

    in Make it Faster...

    Posted

    Could you help lower re-transmitted packets?

    1.Winxp sp2

    2.Comcast 4mb/384kbps

    3.I use DRTCP  http://ttester.broadbandreports.com/tweak/block:3b89c93?service=cable&speed=4000&os=winXP&via=normal

    5.

    :::.. Download Stats ..:::

    Connection is:: 3798 Kbps about 3.8 Mbps (tested with 2992 KB)

    Download Speed is:: 464 KB/s

    Tested From:: http://www.testmy.net/

    Test Time:: Sun Jan 30 2005 12:08:42 GMT-0800 (Pacific Standard Time)

    Bottom Line:: 68X faster than 56K 1MB download in 2.21 sec

    Validation Link:: https://testmy.net/id-BV5LGN63T

    Tracing route to testmy.net [67.19.36.6]

    over a maximum of 30 hops:

      1    1 ms    2 ms    2 ms  192.168.1.1

      2    *        *        *    Request timed out.

      3    15 ms    9 ms    10 ms  12.244.22.225

      4    11 ms    11 ms    9 ms  12.244.64.154

      5    14 ms    14 ms    14 ms  12.119.199.25

      6    19 ms    16 ms    17 ms  gbr1-p20.st6wa.ip.att.net [12.123.44.146]

      7    29 ms    32 ms    30 ms  tbr2-cl1.sffca.ip.att.net [12.122.12.113]

      8    38 ms    42 ms    40 ms  tbr1-cl3.la2ca.ip.att.net [12.122.10.26]

      9    73 ms    75 ms    74 ms  tbr1-cl2.dlstx.ip.att.net [12.122.10.49]

    10    74 ms    74 ms    75 ms  gar1-p360.dlrtx.ip.att.net [12.123.196.101]

    11    75 ms    74 ms    74 ms  12.119.136.14

    12    74 ms    76 ms    74 ms  dist-vlan31.dsr3-2.dllstx3.theplanet.com [70.85.

    127.30]

    13    75 ms    73 ms    74 ms  dist-vlan22.dsr1-2.dllstx2.theplanet.com [70.85.

    127.76]

    14    75 ms    74 ms    79 ms  dsr2-2-v2.dllstx4.theplanet.com [12.96.160.40]

    15    80 ms    94 ms    77 ms  gig1-0-2.tp-car9-2.dllstx4.theplanet.com [67.18.

    116.86]

    16    83 ms    76 ms    78 ms  6.67-19-36.reverse.theplanet.com [67.19.36.6]

    Trace complete.

    WEB100 Enabled Statistics:

    Checking for Middleboxes . . . . . . . . . . . . . . . . . .  Done

    running 10s outbound test (client to server) . . . . . 368.39Kb/s

    running 10s inbound test (server to client) . . . . . . 4.14Mb/s

    ------  Client System Details  ------

    OS data: Name = Windows XP, Architecture = x86, Version = 5.1

    Java data: Vendor = Sun Microsystems Inc., Version = 1.4.2_04

    ------  Web100 Detailed Analysis  ------

    Cable modem/DSL/T1 link found.

    Link set to Full Duplex mode

    Information: throughput is limited by other network traffic.

    Good network cable(s) found

    Normal duplex operation found.

    Web100 reports the Round trip time = 54.73 msec; the Packet size = 1460 Bytes; and

    There were 37 packets retransmitted, 159 duplicate acks received, and 186 SACK blocks received

    The connection was idle 0 seconds (0%) of the time

    This connection is network limited 99.95% of the time.

      Contact your local network administrator to report a network problem

        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: OFF

    Packet size is preserved End-to-End

    Server IP addresses are preserved End-to-End

    Thanks!

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