Network game data transfer

Suppose one were to make a game, like warcraft 2, where a majority of network data originates by mouse click. Is it possible to only send the mouse click information? Or are the coordinates of the sprites required also?

Are you saying that you would just send the xy
coordinates and that would be iterpretted by the
server or peer? I'm not sure how you will solve the
synchronization problem.Yes, only the xy mouse coordinates.
The reason I'm asking is because I was playing a game
called winbolo (aka bolo for mac users). Every so often
a message appears on the screen "Network failed - resyncing".
The keyboard and mouse are disabled until the network problem
goes away. However, warcraft2 didn't have this problem.
I'm wondering what techniques they used in warcraft2 data
transfer.

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    [21-SEP-2010 16:06:42:990] nsdo: nsctx: state=8, flg=0x420c, mvd=0
    [21-SEP-2010 16:06:42:990] nsdo: gtn=156, gtc=156, ptn=10, ptc=2011
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    [21-SEP-2010 16:06:42:990] nsrdr: entry
    [21-SEP-2010 16:06:42:990] nsrdr: recving a packet
    [21-SEP-2010 16:06:42:990] nsprecv: entry
    [21-SEP-2010 16:06:42:990] nsprecv: reading from transport...
    [21-SEP-2010 16:06:42:990] nttrd: entry
    #    HANG OCCURS HERE
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    [21-SEP-2010 16:10:13:347] ntt2err: soc 25 error - operation=5, ntresnt[0]=517, ntresnt[1]=131, ntresnt[2]=0
    [21-SEP-2010 16:10:13:347] ntt2err: exit
    [21-SEP-2010 16:10:13:347] nttrd: exit
    [21-SEP-2010 16:10:13:347] nsprecv: transport read error
    [21-SEP-2010 16:10:13:347] nsprecv: error exit
    [21-SEP-2010 16:10:13:347] nserror: entry
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    [21-SEP-2010 16:10:13:348] nsrdr: error exit
    [21-SEP-2010 16:10:13:348] nsdo: nsctxrnk=0
    [21-SEP-2010 16:10:13:348] nsdo: error exit
    [21-SEP-2010 16:10:13:348] nioqrc:  wanted 1 got 0, type 0
    [21-SEP-2010 16:10:13:348] nioqper:  error from nioqrc
    [21-SEP-2010 16:10:13:348] nioqper:    nr err code: 0
    [21-SEP-2010 16:10:13:348] nioqper:    ns main err code: 12547
    [21-SEP-2010 16:10:13:348] nioqper:    ns (2)  err code: 12560
    [21-SEP-2010 16:10:13:348] nioqper:    nt main err code: 517
    [21-SEP-2010 16:10:13:348] nioqper:    nt (2)  err code: 131
    [21-SEP-2010 16:10:13:349] nioqper:    nt OS   err code: 0
    [21-SEP-2010 16:10:13:349] nioqer: entry
    [21-SEP-2010 16:10:13:349] nioqer:  incoming err = 12151
    [21-SEP-2010 16:10:13:349] nioqce: entry
    [21-SEP-2010 16:10:13:349] nioqce: exit
    [21-SEP-2010 16:10:13:349] nioqer:  returning err = 3113
    [21-SEP-2010 16:10:13:349] nioqer: exit
    [21-SEP-2010 16:10:13:349] nioqrc: exit
    [21-SEP-2010 16:10:13:349] nioqds: entry
    [21-SEP-2010 16:10:13:349] nioqds:  disconnecting...
    [21-SEP-2010 16:10:13:349] nsdo: entry
    [21-SEP-2010 16:10:13:349] nsdo: cid=0, opcode=67, *bl=0, *what=1, uflgs=0x2, cflgs=0x3
    [21-SEP-2010 16:10:13:350] nsdo: rank=64, nsctxrnk=0
    [21-SEP-2010 16:10:13:350] nsdo: nsctx: state=1, flg=0x420c, mvd=0
    [21-SEP-2010 16:10:13:350] nsdo: nsctxrnk=0
    [21-SEP-2010 16:10:13:350] nsdo: error exitFrom the client log side, it looks like this:
    [21-SEP-2010 16:06:42:886] nsdo: entry
    [21-SEP-2010 16:06:42:886] nsdo: cid=0, opcode=84, *bl=0, *what=1, uflgs=0x20, cflgs=0x3
    [21-SEP-2010 16:06:42:886] nsdo: rank=64, nsctxrnk=0
    [21-SEP-2010 16:06:42:886] nsdo: nsctx: state=8, flg=0x400d, mvd=0
    [21-SEP-2010 16:06:42:886] nsdo: gtn=127, gtc=127, ptn=10, ptc=2011
    [21-SEP-2010 16:06:42:886] nsdofls: entry
    [21-SEP-2010 16:06:42:886] nsdofls: DATA flags: 0x0
    [21-SEP-2010 16:06:42:886] nsdofls: sending NSPTDA packet
    [21-SEP-2010 16:06:42:886] nspsend: entry
    [21-SEP-2010 16:06:42:886] nspsend: plen=17, type=6
    [21-SEP-2010 16:06:42:886] nttwr: entry
    [21-SEP-2010 16:06:42:886] nttwr: socket 1724 had bytes written=17
    [21-SEP-2010 16:06:42:886] nttwr: exit
    [21-SEP-2010 16:06:42:886] nspsend: packet dump
    [21-SEP-2010 16:06:42:886] nspsend: 00 11 00 00 06 00 00 00  |........|
    [21-SEP-2010 16:06:42:886] nspsend: 00 00 03 05 1C 01 01 01  |........|
    [21-SEP-2010 16:06:42:886] nspsend: 0F                       |.       |
    [21-SEP-2010 16:06:42:886] nspsend: 17 bytes to transport
    [21-SEP-2010 16:06:42:886] nspsend: normal exit
    [21-SEP-2010 16:06:42:886] nsdofls: exit (0)
    [21-SEP-2010 16:06:42:886] nsdo: nsctxrnk=0
    [21-SEP-2010 16:06:42:886] nsdo: normal exit
    [21-SEP-2010 16:06:42:886] nsdo: entry
    [21-SEP-2010 16:06:42:886] nsdo: cid=0, opcode=85, *bl=0, *what=0, uflgs=0x0, cflgs=0x3
    [21-SEP-2010 16:06:42:886] nsdo: rank=64, nsctxrnk=0
    [21-SEP-2010 16:06:42:886] nsdo: nsctx: state=8, flg=0x400d, mvd=0
    [21-SEP-2010 16:06:42:886] nsdo: gtn=127, gtc=127, ptn=10, ptc=2011
    [21-SEP-2010 16:06:42:886] nsdo: switching to application buffer
    [21-SEP-2010 16:06:42:886] nsrdr: entry
    [21-SEP-2010 16:06:42:886] nsrdr: recving a packet
    [21-SEP-2010 16:06:42:886] nsprecv: entry
    [21-SEP-2010 16:06:42:886] nsprecv: reading from transport...
    [21-SEP-2010 16:06:42:886] nttrd: entry
    #    HANG OCCURS HERE
    #    Need to <CTRL C> twice to kill
    #I've tried searching the net for similar occurrences of some of the interesting looking trace data but there appears to be limited information available, none of which is terribly helpful.
    What I'm really after is either someone who has had this issue before, or someone who can better interpret the error output from the trace files and perhaps give me an idea of what's causing it to occur. Specifically whether that error text above relates to a failed connection on the underlying network connectivity side of things or whether it may be something on a higher level within the application layers. We have done packet dumps on firewalls to check the traffic as it traverses the firewall but there are no anomalies that I can see which may be contributing to the issue at hand.
    I have organised for some testing to occur within the next 24 hours as there is a Cisco ASA Firewall that sits in the network path that is performing inspection on packets travelling through it. The inspection for SQLNET specifically is disabled, but we intend to enable this once more for testing to see whether it makes a difference. I'm not entirely confident it will however, and until we do get a chance to test any constructive input or alternate ideas will be greatly appreciated. I'm trying to cover as many bases as possible here.
    Cheers,
    Josh.

    So some further testing doesn't show anything interesting. But that said here's a look at a TCP Dump for the Oracle 11 session that hangs:
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    21:55:43.782454 IP (tos 0x0, ttl  59, id 50281, offset 0, flags [DF], proto: TCP (6), length: 48) 172.x.x.x.1521 > 125.x.x.x.62008: S, cksum 0xc0ae (correct), 3123579836:3123579836(0) ack 2416392636 win 49680 <mss 1460,nop,nop,sackOK>
    21:55:43.783311 IP (tos 0x0, ttl 126, id 24440, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.62008 > 172.x.x.x.1521: ., cksum 0xb382 (correct), 1:1(0) ack 1 win 64512
    21:55:43.787142 IP (tos 0x0, ttl 126, id 24441, offset 0, flags [DF], proto: TCP (6), length: 284) 125.x.x.x.62008 > 172.x.x.x.1521: P 1:245(244) ack 1 win 64512
    21:55:43.788504 IP (tos 0x0, ttl  59, id 50282, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.62008: ., cksum 0xed72 (correct), 1:1(0) ack 245 win 49436
    21:55:43.859023 IP (tos 0x0, ttl  59, id 50283, offset 0, flags [DF], proto: TCP (6), length: 48) 172.x.x.x.1521 > 125.x.x.x.62008: P, cksum 0xe166 (correct), 1:9(8) ack 245 win 49680
    21:55:43.860392 IP (tos 0x0, ttl 126, id 24445, offset 0, flags [DF], proto: TCP (6), length: 284) 125.x.x.x.62008 > 172.x.x.x.1521: P 245:489(244) ack 9 win 64504
    21:55:43.861773 IP (tos 0x0, ttl  59, id 50284, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.62008: ., cksum 0xeb82 (correct), 9:9(0) ack 489 win 49680
    21:55:43.861908 IP (tos 0x0, ttl  59, id 50285, offset 0, flags [DF], proto: TCP (6), length: 72) 172.x.x.x.1521 > 125.x.x.x.62008: P 9:41(32) ack 489 win 49680
    21:55:43.865341 IP (tos 0x0, ttl 126, id 24446, offset 0, flags [DF], proto: TCP (6), length: 196) 125.x.x.x.62008 > 172.x.x.x.1521: P 489:645(156) ack 41 win 64472
    21:55:43.867017 IP (tos 0x0, ttl  59, id 50286, offset 0, flags [DF], proto: TCP (6), length: 167) 172.x.x.x.1521 > 125.x.x.x.62008: P 41:168(127) ack 645 win 49680
    21:55:43.874836 IP (tos 0x0, ttl 126, id 24447, offset 0, flags [DF], proto: TCP (6), length: 77) 125.x.x.x.62008 > 172.x.x.x.1521: P 645:682(37) ack 168 win 64345
    21:55:43.876405 IP (tos 0x0, ttl  59, id 50287, offset 0, flags [DF], proto: TCP (6), length: 226) 172.x.x.x.1521 > 125.x.x.x.62008: P 168:354(186) ack 682 win 49680
    21:55:43.995921 IP (tos 0x0, ttl 126, id 24451, offset 0, flags [DF], proto: TCP (6), length: 1420) 125.x.x.x.62008 > 172.x.x.x.1521: . 682:2062(1380) ack 354 win 64159
    21:55:43.995978 IP (tos 0x0, ttl 126, id 24452, offset 0, flags [DF], proto: TCP (6), length: 671) 125.x.x.x.62008 > 172.x.x.x.1521: P 2062:2693(631) ack 354 win 64159
    21:55:43.999910 IP (tos 0x0, ttl  59, id 50288, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.62008: ., cksum 0xe18d (correct), 354:354(0) ack 2693 win 49680
    21:55:44.015402 IP (tos 0x0, ttl 126, id 24455, offset 0, flags [DF], proto: TCP (6), length: 326) 125.x.x.x.62008 > 172.x.x.x.1521: P 2693:2979(286) ack 354 win 64159
    21:55:44.020491 IP (tos 0x0, ttl  59, id 50289, offset 0, flags [DF], proto: TCP (6), length: 1420) 172.x.x.x.1521 > 125.x.x.x.62008: . 354:1734(1380) ack 2979 win 49680
    21:55:44.020789 IP (tos 0x0, ttl  59, id 50290, offset 0, flags [DF], proto: TCP (6), length: 671) 172.x.x.x.1521 > 125.x.x.x.62008: P 1734:2365(631) ack 2979 win 49680
    21:55:44.021015 IP (tos 0x0, ttl  59, id 50291, offset 0, flags [DF], proto: TCP (6), length: 355) 172.x.x.x.1521 > 125.x.x.x.62008: P 2365:2680(315) ack 2979 win 49680
    21:55:44.022489 IP (tos 0x0, ttl 126, id 24457, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.62008 > 172.x.x.x.1521: ., cksum 0x9ea4 (correct), 2979:2979(0) ack 2365 win 64512
    21:55:44.148236 IP (tos 0x0, ttl 126, id 24461, offset 0, flags [DF], proto: TCP (6), length: 215) 125.x.x.x.62008 > 172.x.x.x.1521: P 2979:3154(175) ack 2680 win 64197
    21:55:44.152125 IP (tos 0x0, ttl  59, id 50292, offset 0, flags [DF], proto: TCP (6), length: 187) 172.x.x.x.1521 > 125.x.x.x.62008: P 2680:2827(147) ack 3154 win 49680
    21:55:44.174040 IP (tos 0x0, ttl 126, id 24462, offset 0, flags [DF], proto: TCP (6), length: 1054) 125.x.x.x.62008 > 172.x.x.x.1521: P 3154:4168(1014) ack 2827 win 64050
    21:55:44.732635 IP (tos 0x0, ttl 126, id 24482, offset 0, flags [DF], proto: TCP (6), length: 1054) 125.x.x.x.62008 > 172.x.x.x.1521: P 3154:4168(1014) ack 2827 win 64050
    21:55:44.735346 IP (tos 0x0, ttl  59, id 50294, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.62008: ., cksum 0xcefc (correct), 3632:3632(0) ack 4168 win 49680
    21:56:17.076742 IP (tos 0x0, ttl 126, id 25631, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.62008 > 172.x.x.x.1521: R, cksum 0x942e (correct), 4168:4168(0) ack 2827 win 0
    *SQL session hangs here*The 'RESET' occurs when I kill the client using CTRL+C after a long period of inactivity, not during the session itself.
    And then.. Here's a successful login and query of 7 rows on the Oracle 9 database from a network perspective:
    SNORT01:~ # tcpdump -nni bond0 -vvv vlan and host 125.x.x.x and host 172.x.x.x -c 10000
    tcpdump: WARNING: bond0: no IPv4 address assigned
    tcpdump: listening on bond0, link-type EN10MB (Ethernet), capture size 68 bytes
    21:53:27.598450 IP (tos 0x0, ttl 126, id 19396, offset 0, flags [DF], proto: TCP (6), length: 48) 125.x.x.x.61937 > 172.x.x.x.1521: S, cksum 0xc9b4 (correct), 2519356327:2519356327(0) win 64512 <mss 1380,nop,nop,sackOK>
    21:53:27.612189 IP (tos 0x0, ttl  53, id 46015, offset 0, flags [DF], proto: TCP (6), length: 48) 172.x.x.x.1521 > 125.x.x.x.61937: S, cksum 0x1cdb (correct), 1010936359:1010936359(0) ack 2519356328 win 49680 <mss 1460,nop,nop,sackOK>
    21:53:27.612905 IP (tos 0x0, ttl 126, id 19398, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: ., cksum 0x0faf (correct), 1:1(0) ack 1 win 64512
    21:53:27.616233 IP (tos 0x0, ttl 126, id 19399, offset 0, flags [DF], proto: TCP (6), length: 321) 125.x.x.x.61937 > 172.x.x.x.1521: P 1:282(281) ack 1 win 64512
    21:53:27.629987 IP (tos 0x0, ttl  53, id 46016, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x4886 (correct), 1:1(0) ack 282 win 49680
    21:53:27.692135 IP (tos 0x0, ttl  53, id 46017, offset 0, flags [DF], proto: TCP (6), length: 48) 172.x.x.x.1521 > 125.x.x.x.61937: P, cksum 0x3d6e (correct), 1:9(8) ack 282 win 49680
    21:53:27.693603 IP (tos 0x0, ttl 126, id 19402, offset 0, flags [DF], proto: TCP (6), length: 321) 125.x.x.x.61937 > 172.x.x.x.1521: P 282:563(281) ack 9 win 64504
    21:53:27.707460 IP (tos 0x0, ttl  53, id 46018, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x4765 (correct), 9:9(0) ack 563 win 49680
    21:53:27.707883 IP (tos 0x0, ttl  53, id 46019, offset 0, flags [DF], proto: TCP (6), length: 72) 172.x.x.x.1521 > 125.x.x.x.61937: P 9:41(32) ack 563 win 49680
    21:53:27.711950 IP (tos 0x0, ttl 126, id 19403, offset 0, flags [DF], proto: TCP (6), length: 196) 125.x.x.x.61937 > 172.x.x.x.1521: P 563:719(156) ack 41 win 64472
    21:53:27.725971 IP (tos 0x0, ttl  53, id 46020, offset 0, flags [DF], proto: TCP (6), length: 167) 172.x.x.x.1521 > 125.x.x.x.61937: P 41:168(127) ack 719 win 49680
    21:53:27.734468 IP (tos 0x0, ttl 126, id 19405, offset 0, flags [DF], proto: TCP (6), length: 77) 125.x.x.x.61937 > 172.x.x.x.1521: P 719:756(37) ack 168 win 64345
    21:53:27.748270 IP (tos 0x0, ttl  53, id 46021, offset 0, flags [DF], proto: TCP (6), length: 199) 172.x.x.x.1521 > 125.x.x.x.61937: P 168:327(159) ack 756 win 49680
    21:53:27.878720 IP (tos 0x0, ttl 126, id 19409, offset 0, flags [DF], proto: TCP (6), length: 1110) 125.x.x.x.61937 > 172.x.x.x.1521: P 756:1826(1070) ack 327 win 64186
    21:53:28.994991 IP (tos 0x0, ttl 126, id 19443, offset 0, flags [DF], proto: TCP (6), length: 1110) 125.x.x.x.61937 > 172.x.x.x.1521: P 756:1826(1070) ack 327 win 64186
    21:53:29.010680 IP (tos 0x0, ttl  53, id 46023, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x3d83 (correct), 1276:1276(0) ack 1826 win 49680
    21:53:32.561849 IP (tos 0x0, ttl  53, id 46024, offset 0, flags [DF], proto: TCP (6), length: 989) 172.x.x.x.1521 > 125.x.x.x.61937: P 327:1276(949) ack 1826 win 49680
    21:53:32.710661 IP (tos 0x0, ttl 126, id 19550, offset 0, flags [DF], proto: TCP (6), length: 223) 125.x.x.x.61937 > 172.x.x.x.1521: P 1826:2009(183) ack 1276 win 63237
    21:53:32.724384 IP (tos 0x0, ttl  53, id 46025, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x3ccc (correct), 1276:1276(0) ack 2009 win 49680
    21:53:32.732636 IP (tos 0x0, ttl  53, id 46026, offset 0, flags [DF], proto: TCP (6), length: 133) 172.x.x.x.1521 > 125.x.x.x.61937: P 1276:1369(93) ack 2009 win 49680
    21:53:32.739922 IP (tos 0x0, ttl 126, id 19553, offset 0, flags [DF], proto: TCP (6), length: 947) 125.x.x.x.61937 > 172.x.x.x.1521: P 2009:2916(907) ack 1369 win 63144
    21:53:32.763266 IP (tos 0x0, ttl  53, id 46027, offset 0, flags [DF], proto: TCP (6), length: 329) 172.x.x.x.1521 > 125.x.x.x.61937: P 1369:1658(289) ack 2916 win 49680
    21:53:32.770925 IP (tos 0x0, ttl 126, id 19555, offset 0, flags [DF], proto: TCP (6), length: 78) 125.x.x.x.61937 > 172.x.x.x.1521: P 2916:2954(38) ack 1658 win 64512
    21:53:32.784774 IP (tos 0x0, ttl  53, id 46028, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 1658:1836(178) ack 2954 win 49680
    21:53:32.787455 IP (tos 0x0, ttl 126, id 19556, offset 0, flags [DF], proto: TCP (6), length: 149) 125.x.x.x.61937 > 172.x.x.x.1521: P 2954:3063(109) ack 1836 win 64334
    21:53:33.478760 IP (tos 0x0, ttl 126, id 19578, offset 0, flags [DF], proto: TCP (6), length: 149) 125.x.x.x.61937 > 172.x.x.x.1521: P 2954:3063(109) ack 1836 win 64334
    21:53:33.492256 IP (tos 0x0, ttl  53, id 46030, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x34ce (correct), 2268:2268(0) ack 3063 win 49680
    21:53:36.820908 IP (tos 0x0, ttl  53, id 46031, offset 0, flags [DF], proto: TCP (6), length: 472) 172.x.x.x.1521 > 125.x.x.x.61937: P 1836:2268(432) ack 3063 win 49680
    21:53:36.824225 IP (tos 0x0, ttl 126, id 19733, offset 0, flags [DF], proto: TCP (6), length: 57) 125.x.x.x.61937 > 172.x.x.x.1521: P 3063:3080(17) ack 2268 win 63902
    21:53:36.837345 IP (tos 0x0, ttl  53, id 46032, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x34bd (correct), 2268:2268(0) ack 3080 win 49680
    21:53:36.838015 IP (tos 0x0, ttl  53, id 46033, offset 0, flags [DF], proto: TCP (6), length: 110) 172.x.x.x.1521 > 125.x.x.x.61937: P 2268:2338(70) ack 3080 win 49680
    21:53:36.839520 IP (tos 0x0, ttl 126, id 19734, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3080:3119(39) ack 2338 win 63832
    21:53:36.853507 IP (tos 0x0, ttl  53, id 46034, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 2338:2516(178) ack 3119 win 49680
    21:53:36.855886 IP (tos 0x0, ttl 126, id 19735, offset 0, flags [DF], proto: TCP (6), length: 160) 125.x.x.x.61937 > 172.x.x.x.1521: P 3119:3239(120) ack 2516 win 63654
    21:53:36.870292 IP (tos 0x0, ttl  53, id 46035, offset 0, flags [DF], proto: TCP (6), length: 99) 172.x.x.x.1521 > 125.x.x.x.61937: P 2516:2575(59) ack 3239 win 49680
    21:53:36.879557 IP (tos 0x0, ttl 126, id 19738, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3239:3278(39) ack 2575 win 63595
    21:53:36.893506 IP (tos 0x0, ttl  53, id 46036, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 2575:2753(178) ack 3278 win 49680
    21:53:36.895884 IP (tos 0x0, ttl 126, id 19739, offset 0, flags [DF], proto: TCP (6), length: 292) 125.x.x.x.61937 > 172.x.x.x.1521: P 3278:3530(252) ack 2753 win 63417
    21:53:36.911464 IP (tos 0x0, ttl  53, id 46037, offset 0, flags [DF], proto: TCP (6), length: 305) 172.x.x.x.1521 > 125.x.x.x.61937: P 2753:3018(265) ack 3530 win 49680
    21:53:36.913580 IP (tos 0x0, ttl 126, id 19740, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3530:3569(39) ack 3018 win 63152
    21:53:36.927515 IP (tos 0x0, ttl  53, id 46038, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3018:3196(178) ack 3569 win 49680
    21:53:36.938328 IP (tos 0x0, ttl 126, id 19742, offset 0, flags [DF], proto: TCP (6), length: 315) 125.x.x.x.61937 > 172.x.x.x.1521: P 3569:3844(275) ack 3196 win 64512
    21:53:36.953008 IP (tos 0x0, ttl  53, id 46039, offset 0, flags [DF], proto: TCP (6), length: 183) 172.x.x.x.1521 > 125.x.x.x.61937: P 3196:3339(143) ack 3844 win 49680
    21:53:36.961020 IP (tos 0x0, ttl 126, id 19743, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3844:3883(39) ack 3339 win 64369
    21:53:36.974890 IP (tos 0x0, ttl  53, id 46040, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3339:3517(178) ack 3883 win 49680
    21:53:36.977183 IP (tos 0x0, ttl 126, id 19744, offset 0, flags [DF], proto: TCP (6), length: 208) 125.x.x.x.61937 > 172.x.x.x.1521: P 3883:4051(168) ack 3517 win 64191
    21:53:36.991461 IP (tos 0x0, ttl  53, id 46041, offset 0, flags [DF], proto: TCP (6), length: 110) 172.x.x.x.1521 > 125.x.x.x.61937: P 3517:3587(70) ack 4051 win 49680
    21:53:36.993439 IP (tos 0x0, ttl 126, id 19747, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 4051:4090(39) ack 3587 win 64121
    21:53:37.007199 IP (tos 0x0, ttl  53, id 46042, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3587:3765(178) ack 4090 win 49680
    21:53:37.011239 IP (tos 0x0, ttl 126, id 19748, offset 0, flags [DF], proto: TCP (6), length: 183) 125.x.x.x.61937 > 172.x.x.x.1521: P 4090:4233(143) ack 3765 win 63943
    21:53:37.025767 IP (tos 0x0, ttl  53, id 46043, offset 0, flags [DF], proto: TCP (6), length: 210) 172.x.x.x.1521 > 125.x.x.x.61937: P 3765:3935(170) ack 4233 win 49680
    21:53:37.027455 IP (tos 0x0, ttl 126, id 19750, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 4233:4272(39) ack 3935 win 63773
    21:53:37.041382 IP (tos 0x0, ttl  53, id 46044, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3935:4113(178) ack 4272 win 49680
    21:53:37.044708 IP (tos 0x0, ttl 126, id 19751, offset 0, flags [DF], proto: TCP (6), length: 75) 125.x.x.x.61937 > 172.x.x.x.1521: P 4272:4307(35) ack 4113 win 63595
    21:53:37.058388 IP (tos 0x0, ttl  53, id 46045, offset 0, flags [DF], proto: TCP (6), length: 56) 172.x.x.x.1521 > 125.x.x.x.61937: P 4113:4129(16) ack 4307 win 49680
    21:53:37.060398 IP (tos 0x0, ttl 126, id 19752, offset 0, flags [DF], proto: TCP (6), length: 75) 125.x.x.x.61937 > 172.x.x.x.1521: P 4307:4342(35) ack 4129 win 63579
    21:53:37.073926 IP (tos 0x0, ttl  53, id 46046, offset 0, flags [DF], proto: TCP (6), length: 56) 172.x.x.x.1521 > 125.x.x.x.61937: P 4129:4145(16) ack 4342 win 49680
    21:53:37.088056 IP (tos 0x0, ttl 126, id 19753, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: ., cksum 0xf23e (correct), 4342:4342(0) ack 4145 win 63563
    21:53:56.309909 IP (tos 0x0, ttl 126, id 20509, offset 0, flags [DF], proto: TCP (6), length: 176) 125.x.x.x.61937 > 172.x.x.x.1521: P 4342:4478(136) ack 4145 win 63563
    21:53:56.325783 IP (tos 0x0, ttl  53, id 46047, offset 0, flags [DF], proto: TCP (6), length: 398) 172.x.x.x.1521 > 125.x.x.x.61937: P 4145:4503(358) ack 4478 win 49680
    21:53:56.329152 IP (tos 0x0, ttl 126, id 20511, offset 0, flags [DF], proto: TCP (6), length: 57) 125.x.x.x.61937 > 172.x.x.x.1521: P 4478:4495(17) ack 4503 win 63205
    21:53:56.557234 IP (tos 0x0, ttl 126, id 20519, offset 0, flags [DF], proto: TCP (6), length: 57) 125.x.x.x.61937 > 172.x.x.x.1521: P 4478:4495(17) ack 4503 win 63205
    21:53:56.570496 IP (tos 0x0, ttl  53, id 46049, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x24ea (correct), 4904:4904(0) ack 4495 win 49680
    21:53:58.561449 IP (tos 0x0, ttl  53, id 46051, offset 0, flags [DF], proto: TCP (6), length: 441) 172.x.x.x.1521 > 125.x.x.x.61937: P 4503:4904(401) ack 4495 win 49680
    21:53:58.602228 IP (tos 0x0, ttl 126, id 20579, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 4495:4534(39) ack 4904 win 64512
    21:53:58.615281 IP (tos 0x0, ttl  53, id 46052, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x24c3 (correct), 4904:4904(0) ack 4534 win 49680
    21:53:58.616571 IP (tos 0x0, ttl  53, id 46053, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 4904:5082(178) ack 4534 win 49680
    21:53:58.745531 IP (tos 0x0, ttl 126, id 20584, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: ., cksum 0xead2 (correct), 4534:4534(0) ack 5082 win 64334
    21:54:01.476582 IP (tos 0x0, ttl 126, id 20707, offset 0, flags [DF], proto: TCP (6), length: 53) 125.x.x.x.61937 > 172.x.x.x.1521: P 4534:4547(13) ack 5082 win 64334
    21:54:01.492998 IP (tos 0x0, ttl  53, id 46054, offset 0, flags [DF], proto: TCP (6), length: 53) 172.x.x.x.1521 > 125.x.x.x.61937: P 5082:5095(13) ack 4547 win 49680
    21:54:01.499924 IP (tos 0x0, ttl 126, id 20709, offset 0, flags [DF], proto: TCP (6), length: 50) 125.x.x.x.61937 > 172.x.x.x.1521: P, cksum 0xe469 (correct), 4547:4557(10) ack 5095 win 64321
    21:54:01.500558 IP (tos 0x0, ttl 126, id 20710, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: F, cksum 0xeaba (correct), 4557:4557(0) ack 5095 win 64321
    21:54:01.513561 IP (tos 0x0, ttl  53, id 46055, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: F, cksum 0x23ec (correct), 5095:5095(0) ack 4557 win 49680
    21:54:01.513628 IP (tos 0x0, ttl  53, id 46056, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x23eb (correct), 5096:5096(0) ack 4558 win 49680
    21:54:01.514175 IP (tos 0x0, ttl 126, id 20713, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: ., cksum 0xeab9 (correct), 4558:4558(0) ack 5096 win 64321The above is obviously fine, but it's really quite strange. I can get the Oracle 9 queries to hang if I select over 7 rows (8 being the point at which it dies).
    So I can run
    Sqlplus user/[email protected]
    Select * from <blah> where rownum < 7;Over and over again, as many times as I like without issue.
    But!.. As soon as I run
    Sqlplus user/[email protected]
    Select * from <blah> where rownum < 8;The session will hang, and from a network perspective there are no packets being transferred in either direction. It looks exactly like the Oracle 11 session in that the session is still ESTABLISHED from a client perspective but no data is flowing in either direction..
    Does anyone have any idea why '8' is the magic number that would be causing it to hang? I'm really stuggling to see from a network perspective how this may be occuring, as above the TCPDump looks clean.
    Unfortunately I don't have access do a dump on the client/server itself however, just on the network path. I guess that may be where we need to be looking next.
    Thanks for the ideas so far all, much appreciated.
    Josh.

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    Hi, (sorry for my pour english) I had to go back to Winxp native SATA/IDE drivers and my pc crash & BSOD problem it's gone! :D (BSOD when i install some programs or some games, listening music and moving data at the same time, etc.) now i'm available to execute multitasks without any troubles. But now the transference it's quite poor  , I think this is an easy and temporary solution for this big problem.
    I bought my PC on 2006 and the Windows XP drivers are from 2001, aren't new Nvidia/MSI drivers to fix this annoying problem?
    Thanks.
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    I've got nearly the same problem, but a little worse. My data transfer rate seems very slow for a 100mb network and if I start copying files over the network, after only a couple of megs I lose connectivity to the network completely! I've removed the network cable and windows notices this, and when I put it back in windows also notices the change, but the green and orange lights on the port itself stay on solid. If I reboot windows everything comes back. I don't have problems browsing the web, seems to only happen when the ethernat port is running close to full load (for the connection speed of 100mb as apposed to 1gb).
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    i want to write a simple game which would have multiplayer mode over network.
    (maybe lan or internet) so i have many questions...
    how to write network multi-player game? without serious lagging (not due to network) but a lots of data to transfer?
    how to transfer data? multi-unicast/multicast? what model would be better? server-client?
    how to ensure fluency in the game?
    what technique can i apply to make the game running more smooth?
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    Several quick tips for adherance to sound software enginering techniques for any type of multiplayer game design:
    1) depending on the complexity of your project I'd devote at least 10% of your total development time in the design. The better your design, strong oo, data coupling issues, thread manager, bufferStrategy... the easier it will be to actually finish the game. 98% of all games started never get finished. This means having all of your Network communciations in one class or subclassing out extra features that might not be needed for your based network messaging system.
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    4. Create a separate physics thread from the paint thread. These 2 things need to be separated in order to create fluency in your game. Depending on your actual game desing the physics thread will be responsible for moving things around in your world and handling most of the game communication with other players. The paint thread should only be responsible for drawing the current state of the world. This is probably obvious to most without being said but I've seen a lot of people make this mistake in their initial designs and they updated their game objects just before or after each repaint..
    5. My last point addresses your network traffic issues. There are a lot of techniques out there that can improve your data transfer rate. For example a technique called deadreckoning is often used to reduce the amount of network traffic by 90% or more. Deadreckoning, simply stated, estimates what every other persons objects will be in the physical world since the last message you received. If plausable for your game idea you could send routinue messages to each other player in the game world every 1/2 sec or second and between message communication have your physics thread estimate changes in the world until you receive the next message. Then verify that your estimate were correct/incorrect and reset them if needed.
    Make sure you are only sending data on objects whos modes have changed. If nothing has changed with an object then its data doesn't need to be sent to the other players.
    Hope this helps. you were rather vague about your development so it really isn't possible to suggest one protocal for your network over any other protocal.

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