From fca59bea770346cf1c1f9b0e00cb48a61b44a8f3 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Sun, 25 Oct 2015 21:00:20 +0100 Subject: import of old now defunct presentation slides svn repo --- 2008/embedded-openexpo/embedded-openexpo.mgp | 261 +++++++++++++++++++++ .../linux_netfilter_singapore_entertainment.jpg | Bin 0 -> 640673 bytes 2 files changed, 261 insertions(+) create mode 100644 2008/embedded-openexpo/embedded-openexpo.mgp create mode 100644 2008/embedded-openexpo/linux_netfilter_singapore_entertainment.jpg (limited to '2008/embedded-openexpo') diff --git a/2008/embedded-openexpo/embedded-openexpo.mgp b/2008/embedded-openexpo/embedded-openexpo.mgp new file mode 100644 index 0000000..4b15ba8 --- /dev/null +++ b/2008/embedded-openexpo/embedded-openexpo.mgp @@ -0,0 +1,261 @@ +%include "default.mgp" +%default 1 bgrad +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +%nodefault +%back "blue" + +%center +%size 7 + + +Nobody has [yet] understood +Embedded Linux + +%center +%size 4 +by + +Harald Welte + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Introduction + +Who is speaking to you? + an independent Free Software developer, consultant and trainer + 13 years experience using/deploying and developing for Linux on server and workstation + 10 years professional experience doing Linux system + kernel level development + strong focus on network security and embedded + expert in Free and Open Source Software (FOSS) copyright and licensing + digital board-level hardware design, esp. embedded systems + active developer and contributor to many FOSS projects + thus, a techie, who will therefore not have fancy animated slides ;) + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Introduction + +Why am I qualified? + The 'Linux community' POV + Initiator of OpenEZX project (Linux on Motorola GSM phones) + Author of various drivers for embedded hardware + The 'embedded Linux done the rigth way' POV + Lead System Architect (SW+HW) at Openmoko, Inc. + Co-creator of Open Hardware + Software for RFID + OpenPCD, OpenPICC, librfid, libmrtd + The 'chip manufacturer' POV + Open Source Liaison at VIA Technologies, Inc. + The 'customer of consumer-grade embedded Linux' POV + Done reverse-engineering on hundreds of devices for gpl-violations.org + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Linux is everywhere! + +%image "linux_netfilter_singapore_entertainment.jpg" + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Linux is everywhere + +Linux is everywhere! + Linux mobile phones (Motorola, Openmoko) + In-flight entertainment systems + Embedded networking gear + DSLAMs + rack monitoring + Public payphones + ATM's / PoS / vending machines + Now even Fitness gear (Daum Ergometer) + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Strengths of FOSS [0/4] + + +What are the true strengths of FOSS + Innovative and creative development + Security due to code review / bugreport / patches + Long-term maintainable code + Stable and reliable systems + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Strengths of FOSS [1/4] + + +Innovative and creative development + easy-to-read existing codebase + standard (FOSS) development tools + thus, easy to modify and add features + community will build around great new features/apps + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Strengths of FOSS [2/4] + + +Security due to code review / bugreport / patches + because all the code is out there + because many people are familiar with existing architecture + because code quality requirements usually very high + because community process allows quick and fast integration of bugfix + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Strengths of FOSS [3/4] + + +Long-term maintainable code + because there's a lot of attention on good software architecture + because many developers are familiar with the shared/common API's + because code quality requirements usually ery high + because all code in mainline gets maintained and updated + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Strengths of FOSS [4/4] + + +Stable and reliable systems + because code quality requirements usually ery high + because kernel releases are quite frequent + because all mainline code is automatically ported to new releases + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Reality Check + + So we should have the perfect world + tons of embedded Linux products + all of them maitainable, secure, stable + encouraging lots of creative work on top of their codebase + + What is the reality + tons of embedded Linux products + none of the strengths of FOSS present in 99% of them + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +What does the vendor get + +So what do the embedded vendors get? + unstable software + security nightmares + unmaintainable code + no innovation + no user-contributed bug fixes + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +What does the vendor get + +unstable software + because their code stinks (low quality) + because they patch around problems rather than solving them + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +What does the vendor get + +security nightmares + because they use stoneage forks of the kernel + because they never contributed their code mainline + because those forks can never be merged back with mainline again + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +What does the vendor get + +unmaintainable code + because they have one fork of the code per device (product) + because their code quality sucks + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +What does the vendor get + +no innovation + because they try to hide their code (gpl-violations.org) + because their R&D environment is non-standard + weird cross-toolchains that nobody has seen before + weird filesystems with custom patches that nobody knows + because they add proprietary components to lock developers from adding features + e.g. the entire web-based UI for embedded networking gear + binary-only kernel modules that force people to use old kernels with no interesting new features + because it is, overall, way too hard to develop on/for their platform + because they don't disclose serial console and/or JTAG access + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Reality Check + +So why do they still do it? + there can only be one conclusion: + they never understood the real potential of FOSS + all they do is try to compete with what proprietary competitors do + they never think about creating platforms, every product is distinct/separate + they have no interest in improving their products + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +What does the community get + +So what does the community get? + products that run some crappy fork of Linux somewhere under the hood + but which we cannot really touch/modify without a lot of effort + we face opposition from the product maker if we want to help him to improve + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +TODO + +What should they do? + stop thinking in terms of selling black boxes + defining products that take advantage of the true strength of FOSS + compete against the proprietary competition on a level that they can't match + give up the idea of defining all aspects of an appliance + rather think of building an extensible platforms and let community innovate + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Outlook + + +Outlook + We will see even more embedded Linux, e.g. Mobile phones + We will see even more restricted devices (Tivo-ization, DRM for code) + which go on _very_ thin ice even with GPLv2 + which almost completely remove all freedoms of FOSS + We have some faint dim light at the end of a very far tunnel + e.g. projects like Openmoko, who truly see openness as a feature + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%page +Nobody has [yet] understood Embedded Linux +Outlook diff --git a/2008/embedded-openexpo/linux_netfilter_singapore_entertainment.jpg b/2008/embedded-openexpo/linux_netfilter_singapore_entertainment.jpg new file mode 100644 index 0000000..91b839f Binary files /dev/null and b/2008/embedded-openexpo/linux_netfilter_singapore_entertainment.jpg differ -- cgit v1.2.3