Return-Path: MIME-Version: 1.0 Date: Mon, 23 Aug 2010 23:06:17 -0700 Message-ID: Subject: ping slowness over bluetooth PAN From: Han To: linux-bluetooth@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi, I noticed that ping is much more slow over bluetooth PAN connection than a typical WiFI LAN: especially the first packet: (Ubuntu 9.10) PAN: 64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=365 ms WLAN: 64 bytes from Amelie (192.168.1.71): icmp_seq=1 ttl=128 time=3.53 ms The WLAN case is 100 times faster on the first ping! Is this expected? (I don't think this is due to the absolute bandwidth). Any insight is appreciated. Han