Meshdynamics Offers Industry's First Three-Radio
Mesh Network Solution.
Structured Mesh Solutions Enable Dense City-Wide Wi-Fi and
Calif.--(BUSINESS WIRE)--Jan. 31, 2005-
Meshdynamics, the technology leader
for wireless mesh network architectures, today announced the availability of an
innovative mesh networking solution that yields greater than a 50x bandwidth
improvement over traditional mesh networks. The MD-300 family of 3-Radio
software and systems features a unique multi-radio,
multi-channel backhaul (relay) path with automatic channel selection, providing
a significant performance improvement for VoIP and mobile data applications,
including Public Safety networks.
"We believe that multi-radio mesh
nodes are going to become the norm over time," said Craig J. Mathias, a
Principal with the wireless and mobile advisory firm Farpoint Group (Ashland,
MA). "Multiple radios are the best way to deal with latency, congestion, and the
provisioning of additional capacity as metro-scale meshes grow. The latency and
congestion issues become particularly important as voice traffic assumes a
larger role in mesh-based networks."
With one radio to relay packets
through the mesh, a conventional mesh node can't send and receive data at the
same time. In addition, all mesh radios share the same spectrum in conventional
mesh, causing even more degradation when traffic is high. Meshdynamics' 3-radio
Structured Mesh employs a (patent pending) set of algorithms that uses 2-radios
per backhaul path per node (both 802.11a) as well as separate service radios
(typically 802.11b/g) - all on different spectrum -- eliminating both
Unlike conventional mesh, Structured Mesh nodes automatically
form a tree, analogous to the structure of a conventional wired switch stack and
with similar routing table structures. This technology development was enabled
by discarding the original military peer-to-peer mesh paradigm where all mesh
radios are on the same channel. One key was viewing the problem as a distributed
control system for managing spectrum, as opposed to simply solving a routing
problem. The other key was realizing that in a modern city-wide mesh, most paths
lead to the Internet.
"With significant growth in city-wide Wi-Fi Hot
Zones, high bandwidth mesh networks become critical," said Amy Cravens, Senior
Analyst, customer & service provider markets, at Scottsdale, Arizona-based
market analyst firm In-Stat. "A fundamentally new approach is required in mesh
in order to achieve the performance that city-wide deployments require.
Employing a three-radio approach, such as Meshdynamics has developed, will
enable delivery of VoIP and mobile data on a city-wide
Meshdynamics CEO Bob Osann sees VoIP as the "killer application"
for mesh networking. "Compared with cellular, Structured Mesh solutions offer
more than a 100x advantage in cost-per-minute-per-user when supporting dense
VoIP. Compared with conventional mesh solutions, our cost-per-Kb-per-user
exceeds 10x for an entire deployment, given realistic traffic
Meshdynamics' 3-radio Structured Mesh products are successfully
operating at beta site RCGI in Pennsylvania and at a startup OEM in Texas still
in stealth mode. Wireless ISP Softcom will soon deploy Structured Mesh systems
for the city of Galt near Sacramento, California.
Kevin Triplett, CEO
of Softcom said "We see Structured Mesh as the key to offering higher
performance than DSL and Cable while providing ubiquitous WiFi for VoIP."
Meshdynamics 3-radio systems are also operating successfully at a USAF base
where they are being evaluated for next generation battlefield communications,
according to Osann.
Additional customers for the MD-300 will be
announced in the second quarter of 2005. About wireless mesh
networking and VoIP
A wireless mesh network is an array of nodes
that relay packets from one to another, essentially increasing the range of the
network. Each transfer is called a "hop." Unfortunately in conventional mesh
networks, performance decreases with each hop.
Conventional meshes use
only one radio channel (frequency) for multi-hop communications. Radio, by its
nature, is a shared medium: the resulting contention is compounded hop-to-hop,
resulting in architectures that work well with light traffic loading but will
"choke" when simultaneous traffic becomes heavy.
VoIP creates this type
of heavy traffic due to its continuous nature. The backhaul (relay) path through
the mesh must carry enormous numbers of packets to support dense city-wide VoIP.
Only a multi-radio, multi-channel architecture like Structured Mesh will be able
to handle the loading when the number of simultaneous VoIP and data users gets
large. About Meshdynamics
Founded in 2002, Meshdynamics is
a privately held company offering software and systems for high performance
wireless mesh networking applications. The Company's
enables a unique multi-radio, multi-channel backhaul path with vastly superior
bandwidth and latency over multiple hops, providing the best price/performance
solution for dense City-wide VoIP and mobile data. Meshdynamics has offices in
both Santa Clara, CA and Pune, India.
Orr & Company (for
Diane Orr, 408-358-1617