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RE: [lwip-users] Reg: Optimum Performance - lwip +PPP

From: Nandakumar KS
Subject: RE: [lwip-users] Reg: Optimum Performance - lwip +PPP
Date: Wed, 3 Oct 2007 09:45:42 +0530



Thanks for your mail.

Yes. I am using BF processor and VisualDSP.


Our application needs to send huge amount of data to FTP server.

Currently we are sending to FTP server in terms of 1024 bytes. I.e. we are calling “send” API in terms of 1024bytes


So, which will be the better option i.e. to send the entire data at once or to send it in terms of small chunks? And what will be the optimum values in lwipopts.h file for both the cases?



Nandakumar KS



From: address@hidden [mailto:address@hidden On Behalf Of S. Ali Tokmen
Sent: Tuesday, October 02, 2007 6:33 PM
To: address@hidden; Mailing list for lwIP users
Subject: Re: [lwip-users] Reg: Optimum Performance - lwip +PPP




How does your application work: do you tend to send large amounts of data at once, a lot of packets with small amounts of data, ... ?


There's a file called lwipopts.big.h (in C:\Program Files\Analog Devices\VisualDSP 5.0\Blackfin\lib\src\lwip\contrib\ports\ADSP-Blackfin\proj) , in which you'll find settings for applications sending out laaaaaaarge amounts of data.


PS: I hope you're still using BF processors and VisualDSP, otherwise I can also send you the file



S. Ali Tokmen


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----- Original Message -----

Sent: Tuesday, October 02, 2007 2:34 PM

Subject: [lwip-users] Reg: Optimum Performance - lwip +PPP




I am using lwIP with PPP and it is working fine. Can anyone suggest the optimum values in the opt.h file, so that data transfer performance can be increased? Aim is to increase the data transfer rate.



Nandakumar KS


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