Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 2 Dec 2000 19:05:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 2 Dec 2000 19:05:26 -0500 Received: from leibniz.math.psu.edu ([146.186.130.2]:46315 "EHLO math.psu.edu") by vger.kernel.org with ESMTP id ; Sat, 2 Dec 2000 19:05:15 -0500 Date: Sat, 2 Dec 2000 18:34:44 -0500 (EST) From: Alexander Viro To: "Theodore Y. Ts'o" cc: "Albert D. Cahalan" , david@linux.com, linux-kernel@vger.kernel.org, vpnd@sunsite.auc.dk Subject: Re: /dev/random probs in 2.4test(12-pre3) In-Reply-To: <200012022318.SAA17498@tsx-prime.MIT.EDU> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2 Dec 2000, Theodore Y. Ts'o wrote: > particularly people who writing network programs. The number of people > who assume that they can get an entire (variable-length) RPC packet by > doing a single read() call astounds me. TCP doesn't provide message > boundaries, never did and never will. The problem is that such program > will work on a LAN, and then blow up when you try using them across the > real Internet. Erm... Not that ignoring the return values was a bright idea, but the lack of reliable ordered datagram protocol in IP family is not a good thing. It can be implemented over TCP, but it's a big overkill. IL is a nice thing to have... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/