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VPN (Virtual Private Networks) - Reliability and Security
The virtual private networks (VPN) are networks, spreading
over a common network infrastructure. VPN offers the same security
level, management and access rights as with the own local networks.
The advantages which VPN offers are low price and more possibilities
for connection of remote computers, mobile users and remote offices,
as well as new segments - users, providers.
- Types of user solutions for VPN For the enterprises
the VPN is an alternative global infrastructure which substitutes
or enlarges the existing private networks which use leased lines
or FrameRelay/ ATM lines. In addition the VPN provider can offer
other complex services, especially designed for the user.
For the service providers, the VPN networks are the main
element in offering the contemporary services, and their clients
can use them as well.
In small and average business, VPN connect the different
branches and remote users in using the common and public network,
for example Internet, and the security and functionality of
the private networks is offered.
- VPN for enterprises VPN use enlarged encryption and channels
to provide a possibility for the organizations to realize secure
and constant network connection through other networks (Internet).
Saving of money. When using other networks via VPN, it
is not necessary for the organizations to use expensive leased
or Frame Relay lines. It is possible also to connect remote
users to the corporate network via a local Internet Service
Provider instead of a intercity telephone conversation.
Security. VPN uses the highest degree of security via
an enlarged encryption and protocols for authorization which
protects the data from unauthorized access.
Vastness. VPN allows to the corporations to use access
to the remote infrastructure via a Internet Service Providers.
Consequently, the corporations are able to add an unlimited
capacity, without adding a considerable amount of infrastructure.
Compatibility with the broad bandwidth technology. VPN
allows the mobile workers to use the advantages of the high
speed broad bandwidth connection DSL when connecting to their
corporate network.
- VPN for Internet Service Providers Cisco provides full access
and VPN solutions which allows the providers of services to
offer new quality services. The customers of these companies
can reduce the expenses for construction of overall solved and
reliable connections via the new services. Thus, the customer
frees resources which he/ she can forward to the main things
in his/ her business.
- VPN for the small and average business The Virtual Private
Networks (VPN) connect different offices and remote users via
a common or public network as Internet with the same security
and possibilities as with the private networks. Due to the use
of a common global network infrastructure, the expenses are
lower, as well as the putting into exploitation is quicker than
with the traditional private networks.
For the construction of VPN, wireless technology can be used.
With a successfully constructed VPN IP telephoning can be used.
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