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+%include "default.mgp"
+%default 1 bgrad
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+%nodefault
+%back "blue"
+
+%center
+%size 7
+
+The Interface between
+Free Software Community
+and
+Corporate World
+
+%center
+%size 4
+by
+
+Harald Welte <laforge@hmw-consulting.de>
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page 
+Interface: FOSS community / corporate world
+Introduction
+
+Who is speaking to you?
+
+		an independent Free Software developer, consultant and trainer
+		who is a member of the Free Software community for 11 years
+		who has a background in both the community and experience with the corporate crowd
+		woh still is a die-hard technical guy
+		who will therefore not have fancy animated slides ;)
+
+Why is he speaking to you?
+
+		because every working day he suffers the lack of understanding between the community and the business world
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+What is Free Software?
+
+	Software that is 
+		available in source code
+		is licensed in a way to allow unlimited distribution
+		allows modifications, and distribution of modifications
+		is not freeware, but copyrighted work
+		subject to license conditions, like any proprietary software
+		READ THE LICENSE
+
+What is Open Source?
+		Practically speaking, not much difference
+		Remainder of this presentation will use the term FOSS (Free and Open Source Software)
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Ideas and Goals of the GNU GPL
+
+	Free Software
+		Software that has fundamental freedoms:
+			to use it for any purpose
+			to "help your neighbour" (i.e. make copies)
+			to study it's functionality (reading source code)
+			to fix it myself (make modifications and run them)
+
+	Copyleft
+		Is the legal idea to 
+			exercising copyright to grant the above freedoms
+			assure that nobody can take away the freedom
+
+	The GNU General Public License
+		Is a legal instrument to apply they copyleft idea on software
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+The GNU GPL revisited
+
+Revisiting the GNU General Public License
+
+	Regulates distribution of copyrighted code, not usage
+	Allows distribution of source code and modified source code
+		The license itself is mentioned
+		A copy of the license accompanies every copy
+	Allows distribution of binaries or modified binaries, if
+		The license itself is mentioned
+		A copy of the license accompanies every copy
+		The complete source code is either included with the copy (alternatively a written offer to send the source code on request to any 3rd party)
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+What is the FOSS Community?
+
+	Diverse
+		any individual can contribute
+		no formal membership required
+		every project has it's own culture, rules, ...
+	International
+		the internet boosted FOSS development
+		very common to have developers from all continents closely working together	
+	Evolutionary
+		developers come and go, as their time permits
+		projects evolve over time, based on individual contributions
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+People / Groups involved
+
+	Really depends on size of projects
+	Small projects often a one-man show
+	Bigger project have groups / subgroups
+	Common Terms / Definitions
+		Maintainer
+			The person who formally maintains a project
+		Core Team / Steering Committee
+			A group of skilled developers who make important decisions
+		Subsystem Maintainer
+			Somebody who is responsible for a particular sub-project
+		Developer Community
+			All developers involved with a project
+		User Community
+			Users of the software who often share their experience with others
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Development Process
+
+	"Rough concensus and running code"
+	Decisions made by technically most skilled people
+	Reputaion based hierarchy
+	Direct Communication between developers
+	Not driven by size of a target market
+	Release early, release often
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Motivations
+
+	gaining reputation (like in the scientific community)
+	gaining development experience with real-world software
+	solving problems that the author encounters on his computer
+	fighting for free software as ideology
+	work in creative environment with skilled people and no managers ;)
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+FOSS Community likes
+
+	generic solutions
+	portable code
+	vendor-independent architecture
+	clean code (coding style!)
+	open standards
+	good technical documentation
+	raw hardware, no bundle of hardware and software sold as solution
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+FOSS Community dislikes
+
+	monopolistic structures
+		e.g. intel-centrism
+	closed 'industry forums' with rediculous fees
+		e.g. Infiniband, SD Card Association
+	standard documents that cost rediculous fees
+	NDA's, if they prevent development of FOSS
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Weak Ponts of FOSS
+
+	often way behind schedule (if there is any)
+	already too late when projects start
+		started when there already is a real need
+	often a lack of (good) documentation
+		programmers write code, not enduser docs...
+	strong in infrastructure, weak in applications
+		traditionally developers interested in very technical stuff
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Why good relations?
+
+	Let's presume you're using FOSS in your products.
+	Why would I want to have good relations with the FOSS community?
+		You're using their code in your products.
+		You're interested in their new developments.
+		You probably want to continue product delvelopment on their code
+		Thus, You're interested in cooperative development
+		You want their codebase to better fit for your application
+		Esp. in Security areas, you need to trust the community. Would you trust somebody that you're upsetting deliberately, or which you're fighting battles with?
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	In the end, it's just like environmental protection:
+		FOSS community is like an ecosystem
+		If you behave friendly to the environment, there is sustainable development
+		If you just consume and abuse the FOSS ecosystem, you damage it
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	1. Much more communication
+		It's not a consumer/producer model, but cooperative!
+		Before you start implementation, talk to project maintainers
+			It's likely that someone has tried a similar thing before
+			It's likely that project maintainers have already an idea how to proceed with implementation
+			Avoid later hazzles when you want your code merged upstream
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	2. Interfaces
+		If there is a standard interface, use it
+		Don't invent new interfaces, try to extend existing ones
+		If there is an existing interface in a later (e.g. development) release upstream, backport that interface
+		Don't be afraid to touch API's if they're inefficient
+			Remember, you have the source and _can_ change them
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	3. Merge your code upstream
+		Initially you basically create a fork
+		Development of upstream project continues sometimes at high speed
+		If you keep it out of tree for too long time, conflicts arise
+		Submissions might get rejected in the first round
+			Cleanups needed, in coordination with upstream project
+			Code will eventually get merged
+		No further maintainance needed for synchronization between your contribution and the ongoing upstream development
+		Don't be surprised if your code won't be accepted if you didn't discuss it with maintainers upfront and they don't like your implementation
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	4. Write portable code
+		don't assume you're on 32bit cpu
+		don't assume you're on little endian
+		if you use assembly optimized code, put it in a plugin
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	5. Write clean code
+		as opposed to closed-source software, people actually read it
+		it will be noticed if coding style is bad
+		lots of projects have official CodingStyle rules
+		if you comment, do it only in english!
+		don't clutter hardware/product specific hacks over common code
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	6. Binary-only software will not be accepted
+		yes, there are corner cases like FTC regulation on softradios
+		but as a general rule of thumb, the community will not consider object code as a solution to any problem
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	7. Avoid fancy business models
+		If you ship the same hardware with two different drivers (half featured and full-featured), any free software will likely make full features available on that hardware.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Practical Rules
+
+	8. Show your support for the Community
+		By visibly contributing to the project
+			discussions
+			code
+			equipment
+		By funding developer meetings
+		By making cheap hardware offers to developers
+		By contracting / sponsoring / hiring developers from the community
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Licensing under GPL
+
+	The GPL is a legal instrument to approximate the goals of Free Software and the 'moral code of conduct' of many FOSS projects by using copyright law
+	Always remember: The goal is to give the user (incl. your customer) fundamental freedoms
+	GPL is just a tool to force distributors to give those freedoms to users
+	It is a legally binding license agreement, since nothing else grants you permission for modification and redistribution
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Enforcing the GNU GPL
+
+	Enforcing the GNU GPL
+		has always been done quietly by the FSF in the USA
+		used to only happen out of court
+		results were never published
+		As number of cases started to increase in 2003, Harald Welte couldn't stand it any longer and started his own enforcement.  Some time later, gpl-violtions.org was born.
+		Difference: Publicize enforcement, create awareness within corporate crowd
+		gpl-violations.org has 
+			enforced close to 100 cases so far
+			most of them out of court
+			obtained five preliminary injunctions
+			sustained one appeals case against an injunction
+			is currently filing the first regular lawsuit
+		some examples: D-Link, Sitecom, Linksys/Cisco, Sun, Siemens, Fujitsu-Siemens, Telekom, Samsung, Hitachi, Motorola, Kenwood, Maxtor, Western Digital, ...
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+The biggest myths about the GPL
+
+The biggest myths about the GPL
+	The GPL is not enforcible
+	Software licensed under GPL has no copyright
+	Unmodified distribution does not require source code availability
+	The vendor can wait for a source code request (without offering it)
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+The most common mistakes
+
+The most common mistakes
+	not including the "scripts to control installation"
+	only providing off-site hyperlinks to license and/ore source code
+	not responding to support requests for source code
+	charging rediculously high fees for physical shipping of source code
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+The most common mistakes
+
+The most common mistakes
+	not even once reading the GPL text and/or the FAQ from the FSF
+	not including the GPL license text with the product
+	not including a written offer with the product
+	not considering that the GPL also applies to software updates
+	only providing original source code (e.g. vanilla kernel.org kernel)
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%page
+Interface: FOSS community / corporate world
+Thanks
+
+	Thanks to
+		Alan Cox, Alexey Kuznetsov, David Miller, Andi Kleen
+			for implementing (one of?) the world's best TCP/IP stacks
+		Paul 'Rusty' Russell
+			for starting the netfilter/iptables project
+			for trusting me to maintain it today
+		Astaro AG
+			for sponsoring parts of my netfilter work
+		Free Software Foundation
+			for the GNU Project 
+			for the GNU General Public License
+		LinBit
+			for inviting me to speak at OSCON
+
+%size 3
+	The slides of this presentation are available at http://svn.gnumonks.org/
+
+