From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul Albrecht" Subject: Re: question about linux tcp request queue handling Date: Mon, 7 Jul 2003 16:30:47 -0700 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <001401c344df$ccbc63c0$6801a8c0@oemcomputer> References: <3F08858E.8000907@us.ibm.com> <001a01c3441c$6fe111a0$6801a8c0@oemcomputer> <3F08B7E2.7040208@us.ibm.com> <000d01c3444f$e6439600$6801a8c0@oemcomputer> <3F090A4F.10004@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, "netdev" Return-path: To: "Nivedita Singhvi" List-Id: netdev.vger.kernel.org Nivedita Singhvi writes: > > Again, youre limiting the number of connnection requests > that are allowed to wait in the *accept* queue, where > we move to once we're ESTABLISHED. You arent limiting > a request sitting in the SYN queue. > This statement is inconsistent with the description of this scenario in Steven's TCP/IP Illustrated. Specifically, continuing the handshake in the TCP layer, i.e., sending a syn/ack and moving to the syn_recd state, is incorrect if the limit of the server's socket backlog would be exceeded. How do you account for this discrepancy between linux and other berkeley-derived implementations?