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Article: Firewalls face next-gen challenges: most firewalls weren't designed for voice or any other real-time traffic. Can vendors turn this problem into an opportunity?
- Article from:
- Business Communications Review
- Article date:
- April 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 BCR Enterprises, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Many enterprise managers now realize that their firewalls can potentially binder voice over IP (VOIP) and other real-time traffic, but it hasn't become a major issue--yet. VOIP adoption has been slow, and most VOW deployments to date generally don't bring the firewall issue to the fore.
That's because a firewall only comes into play when traffic moves between an untrusted network--i.e., the public Internet--and a trusted network--i.e., the corporate LAN/campus. For the most part, VOIP implementations have either been restricted to "islands" of LAN deployments or, at most, have connected these islands via dedicated, private wide-area links.
But, ...