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Virtual Private Network

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Virtual private networks (VPNs) utilize major advancements in technology to establish secure private communication channels, for the transfer of data, over shared networks such as private intranets or the internet. Currently, the most popular and state-of–the-art virtual private networks are based on MPLS (multiprotocol label switching). MPLS provides any-to-any connectivity over T1 or higher bandwidth. (For more about virtual private networks please click here)

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MPLS Facilitates Convergence

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Featured Article - Now that the technology of MPLS has matured, the goal of application convergence is now being achieved.

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virtual private networks definition continued.

The best MPLS networks are facilitated within the closed systems of specific tier 1 providers. With this scenario, MPLS networks are as secure as point-to-point private lines. With quality of service (QoS), MPLS networks are extremely well suited for transmitting voice, priority files, multiple location audio or video conferencing, or high quality video transmission. For two location networks, a point-to-point private line continues a bit less expensive than a MPLS virtual private network, if the two locations are within a few hundred miles apart. However, point-to-point lines are not normally managed by providers, so with point-to-point circuits, obtaining customer premise equipment, and configuring and maintaining the equipment is the responsibility of the end user. MPLS networks on the other hand are provided with all needed hardware, installation, configuration and management of the network by the provider for about the same cost, or just slightly more, per location, than managed internet service. For multiple location networks, or two location networks which you know will increase in number of locations, MPLS can be far more functional, and far less expensive than a network comprised of point-to-point lines. MPLS networks are far more versatile than point to point circuits, in that with MPLS each location of the network can use fractional t1, full t1, bonded T1, ethernet, fractional DS3, full DS3 or OC3, depending on the specific bandwidth need of that location. Also, some providers are not able to provide MPLS over DSL, for smaller locations. Point to point circuits in contrast, can only utilize full T1, ethernet, full T3 or OC 3. Managed MPLS networks are pretty much turn key for the end user. There are also a variety of options for networking DSL or Cable service as well. As the authorized sales agents for the top 20 telecom providers in the country, we can provide free comparative quotes for completely managed virtual private networks for any locations in the US, regardless of the bandwidth needed at each location. We can also provide quotes for international VPNs (including MPLS options as well). (Click here to return to top of page)

For details on any T1 related service, click on the service listed below.

MPLS Facilitates Convergence

Written by: Dennis Green - Aug 28, 2008

With the emergence of multiprotocol-label-switching (MPLS), great strides have been achieved toward the goal of telecom convergence. In the past, telecom applications such as voice, internet, networking, and video conferencing have been treated as separate, commonly each needing their own source of bandwidth. This was expensive, because it is often far more costly to provide several relatively small bandwidth pipes, then it would be to provide one large pipe. Generally speaking, the larger the pipe, the less cost per megabit per second (mbps). Other issues which were frequent with a lack of convergence were that it was common for providers to specialize in one application, but not all. For this reason, it was required for businesses to be forced to deal with multiple providers, to obtain multiple types of service. Also, the business (customer) would need staff who could specialize in each application. For example, staff that specialized in coordinating the company phone system, staff that specialized in setting up internet access, and staff who specialized in setting up wide area and local networks (WANs and LANs). With a lack of convergence, capital costs were much higher as well. I.e., separate routers for connections to the WAN and LAN, separate routers for the internet, and separate equipment for connecting to the public switched telephone network.

With convergence, this is all improving for the business owner. Now, it is possible to obtain a completely managed system, which includes voice, internet, free long distance service, free toll free service, and soon to come, networking all on one bandwidth pipe, provided by one provider. This results in less expense for bandwidth, fewer company staff resources required to manage, and less expense for each application. With the emergence of dynamically allocated bandwidth, far greater efficiency is being achieved in bandwidth utilization as well. For example, not only can you have both voice and internet on the same T1, but you can now utilize all bandwidth for internet, when the phones are not in use.

At this point, MPLS is most affecting the convergence of communication within the communication network of each company. With MPLS, companies can now converge all applications, such as company location-to-location voice, routine data transfer, and video conferencing into one network. All can be transferred over one pipe, with any-to-any connectivity. With MPLS, class of service (CoS) prioritizes these applications so that those which are more sensitive to packet loss and latency receive priority over applications such as routine data transfer. For example, routine data transfer would not be allowed to compete directly with voice traffic. Routine data traffic is not sensitive to minor packet loss or latency, and therefore would be given a lower priority than voice or video traffic.

Converting from an out-dated frame relay or point-to-point network to a fully managed MPLS based network is an extremely painless process. In most cases, all installation is free, equipment and configuration is managed by the telecom provider, and the telecom provider takes full responsibility for monitoring the network 24 hours a day, seven days a week, and providing all maintenance for the network. All of this is usually provided for far less than the monthly cost of the existing network.

For free availability and quotes for MPLS, please use the short pricing tool at the top of this page, or on our home page. It is free, easy to use, and without obligation. (Click here to return to top of page)