commits July 2017

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[doc] backup-redmine/2017-07-13, master: doc: batman-adv/NetworkCoding-technical (d4ba5456)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit d4ba5456d7ff2d5c0324e4a92814320a8d47dae5 Author: Martin Hundebøll <martin(a)hundeboll.net> Date: Fri Oct 14 10:01:18 2011 +0000 doc: batman-adv/NetworkCoding-technical >--------------------------------------------------------------- d4ba5456d7ff2d5c0324e4a92814320a8d47dae5 batman-adv/NetworkCoding-technical.textile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/batman-adv/NetworkCoding-technical.textile b/batman-adv/NetworkCoding-technical.textile index e27767da..2d8b014e 100644 --- a/batman-adv/NetworkCoding-technical.textile +++ b/batman-adv/NetworkCoding-technical.textile @@ -36,4 +36,6 @@ h2. Ideas * Send coded packets containing redundant packets to improve reliability. * Support the cross topology where more than two destinations are coded. * Implement Random Linear Network Coding (RLNC) on packets from the same flow, also to improve reliability. +* Use checksums instead of packet_id's to identify decoding packets. +* Implement a "catwoman-support"-flag in OGM to allow mixing of nodes with and without catwoman enabled. * ... \ No newline at end of file

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[doc] backup-redmine/2017-07-13, master: doc: batman-adv/NetworkCoding-technical (860f6f68)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit 860f6f684abd90a4a934f580031f7ee4b9c4b9ab Author: Martin Hundebøll <martin(a)hundeboll.net> Date: Fri Oct 14 12:15:48 2011 +0000 doc: batman-adv/NetworkCoding-technical >--------------------------------------------------------------- 860f6f684abd90a4a934f580031f7ee4b9c4b9ab batman-adv/NetworkCoding-technical.textile | 1 + 1 file changed, 1 insertion(+) diff --git a/batman-adv/NetworkCoding-technical.textile b/batman-adv/NetworkCoding-technical.textile index 9ca6acaa..906684ff 100644 --- a/batman-adv/NetworkCoding-technical.textile +++ b/batman-adv/NetworkCoding-technical.textile @@ -31,6 +31,7 @@ To make the implementation of catwoman complete, the following features must be * Support configuration with batctl. * Use bat_dbg instead of printk. * Support setups with multiple interfaces. +* Maintain ref-counters for struct orig_node. h2. Ideas

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[doc] backup-redmine/2017-07-13, master: doc: open-mesh/News-archive (1567da14)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

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[doc] backup-redmine/2017-07-13, master: doc: open-mesh/WikiStart (6b7b5c10)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

1 0

[doc] backup-redmine/2017-07-13, master: doc: open-mesh/Logos (d6c83b4e)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit d6c83b4e6f97b0d78b17524c95b97fe1be5f4682 Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Sat Oct 8 00:58:44 2011 +0000 doc: open-mesh/Logos >--------------------------------------------------------------- d6c83b4e6f97b0d78b17524c95b97fe1be5f4682 open-mesh/Logos.textile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/open-mesh/Logos.textile b/open-mesh/Logos.textile index 8c6876a5..280006f4 100644 --- a/open-mesh/Logos.textile +++ b/open-mesh/Logos.textile @@ -2,4 +2,4 @@ h1. Logos Different versions of the Logos are available for download in svg and png format, you find the logos attached at the bottom of the page. -!bat_v2_transparent.png! \ No newline at end of file +!batlogo_transparent.png! \ No newline at end of file

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[doc] backup-redmine/2017-07-13, master: doc: open-mesh/Emulation (3d4f922a)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit 3d4f922a8536fddd896501a3f8bf3226f035c830 Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Sat Oct 8 16:45:35 2011 +0000 doc: open-mesh/Emulation >--------------------------------------------------------------- 3d4f922a8536fddd896501a3f8bf3226f035c830 open-mesh/Emulation.textile | 25 ++++++++++--------------- 1 file changed, 10 insertions(+), 15 deletions(-) diff --git a/open-mesh/Emulation.textile b/open-mesh/Emulation.textile index 62d73dfe..4bc7dcea 100644 --- a/open-mesh/Emulation.textile +++ b/open-mesh/Emulation.textile @@ -1,29 +1,26 @@ h1. Emulation Setup - -As a lot of people discussed about simulating mesh network protocols at "WBMv2":http://hackerspace.be/Wbm2009v2/, i'd like to share my qemu setup which i used to gather some data for batman-adv. The idea is to use "QEMU":http://www.qemu.org/ or "UML":http://user-mode-linux.sourceforge.net/ (instead of frameworks like they exist for "NS-2":http://www.isi.edu/nsnam/ns/) to run an unmodified linux system with the unmodified source code. Besides BATMAN, you could evaluate any routing protocol. +To give an answer to the often asked question "How to test/evaluate/debug mesh network protocols?", this document explains a virtual machine setup which can be used to test batman-adv in a controlled environment. The idea is to use "QEMU":http://www.qemu.org/ or "KVM":http://www.linux-kvm.org (instead of pure simulation systems like "NS-2":http://www.isi.edu/nsnam/ns/) to run an unmodified Linux system with the unmodified source code as it is used in real world setups. Besides B.A.T.M.A.N., you could evaluate any routing protocol. h2. Architecture +The test stack consists of the following components: -My system consists of the following components: - -* "OpenWRT":http://openwrt.org/, kamikaze trunk version for x86 with minimal modifications (see below) -* one (unmodified) "QEMU":http://www.qemu.org/ instance per host +* "OpenWrt":http://openwrt.org/, kamikaze trunk version for x86 with minimal modifications (see below) +* one (unmodified) "QEMU":http://www.qemu.org/ instance per host (KVM or any other virtual machine) * one (modified, see below) "vde_switch":http://wiki.virtualsquare.org/wiki/index.php/VDE_Basic_Networking per instance. You need multiple instances to allow interconnection with wirefilter. * one (unmodified) "wirefilter":http://wiki.virtualsquare.org/wiki/index.php/VDE#wirefilter per link between hosts. -h3. OpenWRT +h3. OpenWrt - -OpenWRT has been used for this test. Some packages (tcpdump, netcat, batman-adv...) were added and kernel commandline parameters were modified to make sure that qemu boots up properly: +A standard OpenWrt can be downloaded and configured for X86. Some packages (tcpdump, netcat, batman-adv...) should be selected and kernel commandline parameters were modified to make sure that qemu boots up properly: <pre> noapic acpi=off </pre> -Furthermore, to allow automatic network device setup on boot i'm using the following script which is located in /etc/rc.local ( ./files/etc/rc.local in OpenWRT build directory): +Furthermore, to enjoy an automatic network device setup on boot you can use the following script (save it as './files/etc/rc.local' in your local OpenWrt build directory): <pre> #!/bin/sh @@ -56,22 +53,20 @@ ifconfig bat0 inet 192.168.0.${NUM} up The script above is far from perfect, it takes some minutes after the rc.local file is finally started. Suggestions welcome. -A sample openwrt image can be found here: http://packetmixer.de/openwrt-x86-jffs2-128k.image h3. vde_switch - -The main advantage of "vde_switch":http://wiki.virtualsquare.org/wiki/index.php/VDE_Basic_Networking over "uml_switch":http://user-mode-linux.sourceforge.net/old/networking.html is that any clients can be attached to this virtual switch: QEMU, UML, tap interfaces, virtual interconnections, and not just UML instances. +The main advantage of "vde_switch":http://wiki.virtualsquare.org/wiki/index.php/VDE_Basic_Networking over "uml_switch":http://user-mode-linux.sourceforge.net/old/networking.html is that any clients can be attached to this virtual switch: QEMU, KVM, UML, tap interfaces, virtual interconnections, and not just UML instances. If the vde_switches were just connected with wirefilter "patch cables" without modification, we would end up creating a broadcast domain and switch loops which we don't want: The goal is to allow the packets to travel only from one host to it's neighbor, not farther. -To accomplish this, i've modified the vde_switch to have "coloured" ports. The idea is: +To accomplish this, the vde_switch needs to be modified to have "coloured" ports. The idea is: * each port has a "colour" (an integer number) * packets are only passed from ports to others with DIFFERENT colours. * packets are dropped on outgoing ports if it has the SAME colour as the incoming port. -In this concept, the host port can have colour 1 while the interconnection ports have to colour 0. This way, packets can only travel from the host to (all of) the interconnection ports, or from one interconnection port to the host port. However packets can not travel between the the interconnection ports, thus only allowing "one hop" connections and avoiding switch loops and shared broadcast domains. The concept is illustrated below: +In this concept, the host port can have colour 1 while the interconnection ports have colour 0. This way, packets can only travel from the host to (all of) the interconnection ports, or from one interconnection port to the host port. However packets can not travel between the the interconnection ports, thus only allowing "one hop" connections and avoiding switch loops and shared broadcast domains. The concept is illustrated below: !vde_switch.png!

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[doc] backup-redmine/2017-07-13, master: doc: open-mesh/Filing (3f2284ae)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit 3f2284ae46091bdfdb7729ca9b1f5f7f7490f01e Author: Sven Eckelmann <sven(a)narfation.org> Date: Sat Oct 8 19:04:22 2011 +0000 doc: open-mesh/Filing >--------------------------------------------------------------- 3f2284ae46091bdfdb7729ca9b1f5f7f7490f01e open-mesh/Filing.textile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/open-mesh/Filing.textile b/open-mesh/Filing.textile index dce38758..a9453a22 100644 --- a/open-mesh/Filing.textile +++ b/open-mesh/Filing.textile @@ -31,7 +31,7 @@ h2. Using B.A.T.M.A.N. advanced (layer 2) * [[batman-adv:Wiki|B.A.T.M.A.N. Advanced overview]] - information about the Layer 2 version of B.A.T.M.A.N. * [[batman-adv:quick-start-guide|B.A.T.M.A.N. Advanced quick start guide]] - or: what the hell is bat0 for? * [[batman-adv:building-with-openwrt|Building B.A.T.M.A.N. Advanced with OpenWRT]] - how to download and configure your OpenWRT build environment to compile batman-adv -* "B.A.T.M.A.N. Advanced on OpenWRT":http://pizza.hskflashcards.com/index.php?page=B.A.T.M.A.N.+Advanced+on+OpenWrt+How-To - a tutorial for using B.A.T.M.A.N. Advanced on OpenWRT +* "B.A.T.M.A.N. Advanced on OpenWRT":http://pizza.hskflashcards.com/index.php?page=B.A.T.M.A.N.+Advanced+on+OpenWrt+How-To - a tutorial for using B.A.T.M.A.N. Advanced on OpenWRT (outdated) * [[batman-adv:tweaking|Tweaking the B.A.T.M.A.N. Advanced behaviour]] - get an overview about the various settings batman-adv offers * [[batman-adv:understand-your-batman-adv-network|Understand your B.A.T.M.A.N. Advanced network]] - learn what network debug interfaces batman-adv offers * [[batman-adv:gateways|B.A.T.M.A.N. gateway support]] - how batman-adv can be used to choose the nearest internet gateway node

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[doc] backup-redmine/2017-07-13, master: doc: open-mesh/Experience (cc0a699c)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

1 0

[doc] backup-redmine/2017-07-13, master: doc: open-mesh/Emulation (02952fd8)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

1 0

[doc] backup-redmine/2017-07-13, master: doc: open-mesh/Logos (fe74dd13)
by postmaster＠open-mesh.org 14 Jul '17

14 Jul '17

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2017-07-13,master >--------------------------------------------------------------- commit fe74dd138e891b0539a02287239972469b10e069 Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Sat Oct 8 00:49:05 2011 +0000 doc: open-mesh/Logos >--------------------------------------------------------------- fe74dd138e891b0539a02287239972469b10e069 open-mesh/Logos.textile | 1 + 1 file changed, 1 insertion(+) diff --git a/open-mesh/Logos.textile b/open-mesh/Logos.textile new file mode 100644 index 00000000..a097da8b --- /dev/null +++ b/open-mesh/Logos.textile @@ -0,0 +1 @@ +h1. Logos \ No newline at end of file

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commits July 2017