The link between the consortium and Spawar headquarters is an example of what Cox Communications Inc. and Atmosphere Networks Inc. call a community of interest network (COIN).
The link between the consortium and Spawar headquarters is an example of
what Cox Communications Inc. and Atmosphere Networks Inc. call a community
of interest network (COIN).
This market includes federal agencies, education organizations and other
groups that are linked by geography, common interests and a centralized
decision process. These groups are looking for high speed and bundles of
multiple services for Internet access, virtual private networks, intranets,
links between voice equipment and other telecommunications functions.
These groups usually want to take advantage of existing fiber or cable,
and Atmosphere can offer them the ability to mix multiple services over
the same pipe to exploit such existing lines.
The Spawar/consortium transparent local-area network deployment is
the first federal COIN that Atmosphere and Cox have deployed, but they are
targeting other federal groups that need to be connected and are in the
same metropolitan area.
The COIN concept is based on an evolving business model from the nation's
competitive local exchange carriers (CLEC), companies that compete with
the already established local telephone concerns by providing their own
network and switching, said Scott White, Atmosphere director of technology
and business development.
For several years, CLECs used to justify deploying fiber to support
large groups of customers in metropolitan areas. Now, because the fiber
market is built out, CLECs are searching for groups of customers that are
geographically close, need to be interconnected, have varying bandwidth
requirements and are governed by a central decision-making authority.
These groups are ideal for a COIN because they typically have high requirements
for data transmission but the requirements may vary between parts of the
group, White said.
A traditional Synchronous Optical Network (SONET) solution would require
dedicated point-to-point pipes for the various parts of the community of
interest. The transparent LAN, with Atmosphere's multi-service access device,
can offer separate service over the same network instead of having dedicated
pipes to each site.
The solution includes a layer of packet intelligence on top of the SONET
that looks at each package and decides where to send it. Because the network
is shared, bandwidth can be flexibly allocated to various parts of the group,
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