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diff --git a/zarb-ml/mageia-discuss/20110217/003626.html b/zarb-ml/mageia-discuss/20110217/003626.html new file mode 100644 index 000000000..8ae81c435 --- /dev/null +++ b/zarb-ml/mageia-discuss/20110217/003626.html @@ -0,0 +1,81 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-discuss] Switzerland Mirror Switch.ch + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20Switzerland%20Mirror%20Switch.ch&In-Reply-To=%3C1297981903.20660.224.camel%40akroma.ephaone.org%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="003624.html"> + <LINK REL="Next" HREF="003621.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-discuss] Switzerland Mirror Switch.ch</H1> + <B>Michael Scherer</B> + <A HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20Switzerland%20Mirror%20Switch.ch&In-Reply-To=%3C1297981903.20660.224.camel%40akroma.ephaone.org%3E" + TITLE="[Mageia-discuss] Switzerland Mirror Switch.ch">misc at zarb.org + </A><BR> + <I>Thu Feb 17 23:31:43 CET 2011</I> + <P><UL> + <LI>Previous message: <A HREF="003624.html">[Mageia-discuss] Switzerland Mirror Switch.ch +</A></li> + <LI>Next message: <A HREF="003621.html">[Mageia-discuss] Switzerland Mirror Switch.ch +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#3626">[ date ]</a> + <a href="thread.html#3626">[ thread ]</a> + <a href="subject.html#3626">[ subject ]</a> + <a href="author.html#3626">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Le jeudi 17 février 2011 à 19:48 +0100, Juergen Harms a écrit : +><i> >> Well, in fact, given the way tcp work, I do not see how it could +</I>><i> >> suffer from a transmission problem. +</I>><i> +</I>><i> Tcp corrects errors with a certain likelyhood. I do not know what +</I>><i> CRC-something is used by ftp - for CRC-16, depending on the type of +</I>><i> error and the package length, probablilities are smaller than 10 power +</I>><i> -6 (I did these figures many years back, rapid googling does not provide +</I>><i> any evident figures). Anyhow, with this order of magnitude, and with the +</I>><i> 100 M bytes(!) of a typical largish package, the probability of +</I>><i> receiving an apparently good package which after all is not so good is +</I>><i> non-negligeable. Doing another check at the application level therefore +</I>><i> may be of substantial merit. Would be good to get input from somebody +</I>><i> who is more competent. +</I> +IP and TCP both have error detections with 16 bits checksum. And the +chance that a error slip in such a way that it is not detected by +neither checksums, and at the same time that the error happen at the +physical level ( ie, cable level ) and do not happen more than once are +really really rare. + +Even if you would cause such a error, you would likely not be able to. + +-- +Michael Scherer + +</PRE> + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="003624.html">[Mageia-discuss] Switzerland Mirror Switch.ch +</A></li> + <LI>Next message: <A HREF="003621.html">[Mageia-discuss] Switzerland Mirror Switch.ch +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#3626">[ date ]</a> + <a href="thread.html#3626">[ thread ]</a> + <a href="subject.html#3626">[ subject ]</a> + <a href="author.html#3626">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-discuss">More information about the Mageia-discuss +mailing list</a><br> +</body></html> |