[Winpcap-users] Performance issues and c# wrappers

Black, Michael (IS) Michael.Black2 at ngc.com
Wed Jul 13 06:18:16 PDT 2011

I just compiled the SavingPacketsToADumpFile from pcap.net which does exactly what you're talking about.

Doing a few tests on my 25Mb internet connection I don't see CPU usage over 4%.

I do have an 8-core 3Ghz system and some decent disks so you're mileage may vary...

Michael D. Black

Senior Scientist

NG Information Systems

Advanced Analytics Directorate

From: winpcap-users-bounces at winpcap.org [winpcap-users-bounces at winpcap.org] on behalf of Emre Erişgen [emreerisgen at gmail.com]
Sent: Wednesday, July 13, 2011 7:29 AM
To: winpcap-users at winpcap.org
Subject: EXT :Re: [Winpcap-users] Performance issues and c# wrappers

Thank you so much for your answer. I think I should explain about my problem a little bit more. I want to listen a network which has an internet connection around 50mbit/sec. My problem is i have to use C# for this program and so i need to wrap winpcap to use it. There are some open source C# wrappers like sharppcap and pcap.net<http://pcap.net/>. I wonder if i use these wrappers can i listen and capture 50mbit/sec without packet loss. Is using a wrapper will reduce the performance of winpcap? I just need to listen, capture and save them to a dump file so my wrapper will not be much a big project. Do writing my own little wrapper help me to reduce performance reduction?
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