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SMesh source code and binaries

SMesh is licensed under the SMesh Open-Source License. SMesh requires a device that runs Linux and has a 802.11 wireless interface. We tested it on x86, Linksys WRT54G and Meraki routers. Here is an overview of the operating modes of SMesh. The latest stable version is 2.3.

If you intend to build SMesh from source, you also need to download Spines 3.1 or later.

SMesh Redundant Multipath kernel modules

SMesh Redundant Multipath adds kernel support for forwarding data packets to the mobile client through multiple paths. CPU utilization decreases significantly when using SMesh with these modules, allowing low-cost routers to fully utilize the available bandwidth on the wireless networks. A user-space implementation of a routing protocol that uses redundant multipath, as described in our paper, is available in the Spines distribution. These modules are available under the GNU GPL license.

Source Code
OpenWrt RC5 firmware with multipath kernel modules (binaries for WRT54)
More info about OpenWrt at www.openwrt.org.

iproute shared library

Changing kernel routing tables from a C program requires system calls that are limitted and sometimes outdated when moving from one version of Linux to another. The common "ip route" shell command is the best way of manipulating routing tables in Linux. However, calling the shell version of the software incurs a significant overhead on low-cost routers (per route update, 40 ms, compared to only 1 ms when using this library on WRT54 routers). This library provides a direct interface to process the "ip route" command with the same usage as the shell version, but without going through the shell. This software is available under the GNU GPL license.

Supported Hardware

Supported models of the Linksys router are all linux-based versions as per the table below. Meraki is also supported (here are detailed instructions of how to setup the Meraki). Tested models include a (T) at the end of the line.

WRT54G Models (source www.linksysinfo.org)

Note: The WRT54G v5.0 has 2Mb/8Mb RAM, it uses VxWorks OS and is incompatable with 3rd party firmware and SMesh.

WRT54GL

WRT54GS

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Distributed Systems and Network lab
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Johns Hopkins University
3400 N. Charles Street Baltimore, MD 21218-2686