Video Conferencing: Products, and Issues with Network Bandwidth and Security

Fri Feb 8 18:04:12 UTC 2008

Hi All,

I have a client that wants to implement video conferencing.
They would like to have multiple video participants and
collaborative whiteboards.

Anyone have any experience with such products? Comments
and/or recommendations on products?

More to the point of this post... what are the network
and security issues associated with VC? For example:

-- Would it be reasonable to expect that a remote user
    on a DSL connection to be able to VPN into a WAN
    and participate?

-- Are most of the products multicast? If so, what are
    the security issues with multicast and will it work
    through, for example, a Cisco VPN client tunnel?

-- What are the typical network bandwidth requirements?
    Are they per participant based or some other basis?

-- What are the general security issues with VC? Can it
    be run through an IPSec tunnel or does that break it?

Any ideas for good sources of information? Google doesn't
seem to provide me with much usable information when
trying to answer these types of questions.

THANKS!
Jon K.
-- 
Jon R. Kibler
Chief Technical Officer
Advanced Systems Engineering Technology, Inc.
Charleston, SC  USA
o: 843-849-8214
m: 843-224-2494

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