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Top Forums UNIX for Advanced & Expert Users TCP/IP Connection getting slower... Post 36058 by rajesh_puru on Tuesday 20th of May 2003 06:39:55 AM
Old 05-20-2003
TCP/IP Connection getting slower...

Hi,
We have developed a server program using TCP/IP Communication to communicate with another client program. After running for some days we find the TCP/IP connection from the server program is getting slower.

What i mean to say is since the send() function in the server program (it is in the blocked mode)is blocked, we suspect the reason for the slowness in sending the message to the client program could be because of the TCP buffer (in the server)getting full and the clients failure to pull the messages from the buffer in time.All these is being coded in a posix thread.

We have been perplexed by this problem for quite a long time. we intially though it could be the network problem..but the network is 100Mbs..

The hardware used is sun solaris machine..

I will be very grateful if some one can advice us in finding a solution for this problem.
 

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aseqnet(1)						      General Commands Manual							aseqnet(1)

NAME
aseqnet - ALSA sequencer connectors over network SYNOPSIS
aseqnet [remotehost] DESCRIPTION
aseqnet is an ALSA sequencer client which sends and receives event packets over network. Suppose two hosts connected by network, hostA as a server and hostB as a client. The ALSA sequencer system must be running on both hosts. For creating the server port, run the following on hostA: hostA% aseqnet sequencer opened: 128:0 Then a user client 128 with port 0 was opened on hostA. (The client number may vary.) For creating the (network-)client port, run aseqnet with the hostname of the server: hostB% aseqnet hostA sequencer opened: 132:0 Now all events sent to hostA:128:0 are transferred to hostB:132:0, and vice versa. The ports created by aseqnet can be connected arbitrary to other sequencer ports via aconnect(1). For example, to connect hostB:132:0 to a MIDI output device 65:0: hostB% aconnect 132:0 65:0 Then events to hostA:128:0 will be delivered to hostB:65:0. The following command plays MIDI on hostB. hostA% pmidi -p 128:0 foo.mid The multiple clients may exist simultaneously. If hostC is connected as a client to hostA, events from from hostA are sent to all con- nected network clients, i.e. hostB and hostC. However, only one connection is allowed from a client to a server. To disconnect network, stop all clients before server by ctrl-C or sending signal to them. The server will automatically quit. OPTIONS
-p port Specify the TCP port number or TCP service name. -s addr Subscribe to the given address for read automatically. -d addr Subscribe to the given address for write automatically. -v Verbose mode. SEE ALSO
aconnect(1), pmidi(1) AUTHOR
Takashi Iwai <tiwai@suse.de>. January 1, 2000 aseqnet(1)
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