From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Marek Lindner Date: Fri, 28 May 2010 00:12:40 +0800 References: <20100527162350.75bef379@rechenknecht> <201005272330.15388.lindner_marek@yahoo.de> <20100527154236.GA26610@lunn.ch> In-Reply-To: <20100527154236.GA26610@lunn.ch> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201005280012.41540.lindner_marek@yahoo.de> Subject: Re: [B.A.T.M.A.N.] Layer 2 fragmentation Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: The list for a Better Approach To Mobile Ad-hoc Networking On Thursday 27 May 2010 23:42:36 Andrew Lunn wrote: > We discussed this a while ago. Actually fragmentation should be > considered the last resort. It if first better to try header > compression, to make the frame small enough that it can be sent > without fragmentation. I think you had a quick look at using the PPP > compression code, but i guess it did not go any further. > > We only need to fragment when compression is not possible. I read about the compression and I still think it is a good idea. Unfortunately, it requires deep packet inspection and would only work for 99% of the IPv4 traffic. Besides, both solutions do not exclude each other. Regards, Marek