Date: Wed, 09 Oct 2002 18:26:27 -0700 From: Lars Eggert <larse@ISI.EDU> To: Garrett Wollman <wollman@lcs.mit.edu> Cc: net <net@FreeBSD.ORG> Subject: Re: in-kernel traffic generator? Message-ID: <3DA4D743.3050502@isi.edu> References: <3DA4D571.2080207@isi.edu> <200210100122.g9A1MHhW059092@khavrinen.lcs.mit.edu>
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This is a cryptographically signed message in MIME format. --------------ms080004020805060402080401 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Garrett Wollman wrote: > <<On Wed, 09 Oct 2002 18:18:41 -0700, Lars Eggert <larse@ISI.EDU> said: > >>anyone know of an in-kernel traffic generator similar to UDPgen >>(http://www.fokus.gmd.de/research/cc/glone/employees/sebastian.zander/private/udpgen/) >>for Linux? Userland traffic generators have high overheads with small >>packets at Gigabit speeds. > > I wrote one a long time ago for John Wroclawski (back when 100 Mbit/s > was still considered a high speed). I don't think I have the source > any more, and even if I did it would require a lot of hacking to make > it work (it was fairly intimate with the IP stack in 2.2.5). I was just about to send email to John about it, after finding the PC-router page on Google... Was it part of the CAIRN tree? If so, I probably have it somewhere. Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms080004020805060402080401 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw MDBaFw0wNDA4MjcyMzU5NTlaMIGSMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBD YXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUQ2Vy dGlmaWNhdGUgU2VydmljZXMxKDAmBgNVBAMTH1BlcnNvbmFsIEZyZWVtYWlsIFJTQSAyMDAw 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