In an effort to make
their mark in the VoIP space, Net6, Inc., has made a considerable risky
claim�to deliver secure voice and video over the nets. The provider of
network gateways added voice and video enhancements to its Hybrid-VPN
Gateway. This move, the company claims, will make the provider the first
to offer and ensure secure, high-quality voice communications over any
network, from anywhere.
San Jose, CA-based
Net6�s product, Hybrid-VPN (H-VPN) encrypts signaling and media paths
for all Voice over IP (VoIP)
tutorial) protocols including SIP
and H.323 as well as proprietary protocols from IP PBX vendors like
Avaya, Cisco and Nortel Networks. Hybrid-VPN is said to ease the
integration of SSL VPNs and VoIP systems for IT clients.
Companies wanting to
provide access to employees on the road, or remote workers, had limited
choices between IPSec VPNs and SSL VPNs to solve voice-based remote
access challenges. They had to choose between traditional IPSec or
select SSL-VPN remote access for data applications maintaining a
separate IPSec VPN deployment for remote IP telephony users, not too
great when trying to get around company firewalls! Net6 lets clients
choose one solution to manage both data and voice remote access
simultaneously, with the knowledge that both also work from behind any
enhanced features include:
SSL VPNs rely on TCP (Transmission Control Protocol), which works
well for data applications. TCP uses packet retransmission, which
causes delays in real-time traffic such as VoIP. Net6's Voice-over-SSL
would make voice traffic arrive in real-time, eliminating the
potential delays from re-ordering and re-transmission.
alert) Media Routing:
Traditional IPSec VPNs force voice traffic to trombone through the
IPSec VPN gateway, which introduces additional cost and delays in
the voice traffic. With H-VPN, call control is established through
the Gateway, but the voice traffic flows securely and directly
peer-to-peer between the two endpoints instead of through the
Gateway, reducing transmission cost and network delays.
Rate Encryption for voice and video: 128-bit or 196-bit encryption
levels provide iron-clad privacy, but often at the cost of quality
of service. Net6 technology allows encryption levels for the voice
path to be adjusted on a call-by-call basis to deliver the best
voice quality. All signaling and data traffic is maintained at
higher encryption levels as appropriate.
Fortune 500 company has already deployed, or is considering deploying,
Voice over IP," said Gordon Payne, Chief Marketing Officer at Net6, Inc.
"Deploying an SSL VPN that does not secure remote voice access just
doesn't make sense."
Net6 conducted tests
of the Hybrid-VPN�s Voice over SSL capability with soft phones and hard
IP telephones from IP PBX vendors including Avaya, Cisco and Nortel
Networks. Pricing for the H-VPN Gateway ranges from $1,500 to $40,000
for 10 to 2,000 concurrent tunnels. Direct Peer-to-Peer Media Routing
and Variable Bit Rate Encryption for voice and video are included as
standard features and will be available with Release 5 towards the end
of this year.
|Johanne Torres is the contributing editor for TMCnet.com and Internet Telephony magazine. Previously, she was
the assistant editor for EContent magazine in Connecticut. She
can be reached by e-mail at email@example.com.