The Advantages of a Cisco Virtual Private Network

In the corporate communications world, the virtual private network (VPN) is used to establish a private pipeline of communications. By using Cisco virtual private network software, companies can create computer networking systems that are efficient and secure. These systems are used by many major corporations for a variety of different purposes.

Since the Cisco virtual private network provides secure remote communications, it is suitable for confidential data transfer applications. This kind of confidential data includes banking or sales transactions, the transfer of medical data or other sensitive information. With the use of a Cisco virtual private network, remote locations can share data with a home office or remote server to keep these records safely stored for future retrieval. Examples of these systems in use could include chain department stores which need to relay information back to a home office or a medical laboratory which makes the results of medical testing available to the hospitals and clinics using its services.

Another advantage of using this technology is the Cisco virtual private network remote connection possibilities enable companies to outsource projects. There is no longer a need to hire a huge staff of in-house employees when the work can be outsourced or handled by the companies own home-based employees working through the VPN. This feature can save companies thousands of dollars by eliminating the need for office space and other overhead expenses. By utilizing the Cisco virtual private network secure remote connection capabilities, the corporate network and sensitive files are kept safe from hackers and damage while being readily available for employees of the company in remote offices to access.

The Cisco VPN offers another advantage in the form of data backup security. Using remote connections to a secure server, important data can be backed up off site for later retrieval. In the corporate world, disaster preparation is crucial. The Cisco VPN can be a very important part of this preparation allowing your company to be back up and functioning within hours, rather than days or weeks. Whether the disaster is total destruction of a corporate building or simply the loss of a main server in your corporate intranet system, the data is securely stored and can be reloaded to the network in a short amount of time.

In summary, the Cisco virtual private network offers companies the specific advantages of security, speed, reliability and remote access. It does all of this while providing a cost-effective solution that can be implemented at almost any stage of the corporations growth. When Cisco VPN technology is utilized properly, the prospects are nearly limitless.

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Dark Fiber Increases Network Capacity

Many people have not heard of Dark Fibers or Unlit Fibres that are really just unused optical fibres. These are utilized in what is known as fibre optic communications. Dark Fiber (Fibre) was first utilized when speaking about the network capacity of telecommunications and its infrastructure. Presently, it includes a reference to the increasing utilization of leasing fibre cables from any market related service provider in the network.

Let's examine the reasoning, logic, rationale, logistical practicality and market of the Network's Capacity of Telecommunications' Infrastructure.

A. Unlit Fibre Capacity And/Or Expansion.

Reasoning: Dark Fiber is found in well prepared, planned and constructed networks. The budget to install falls within the ambit of the civil engineering required. This labor includes preparation, planning, costing, routing, obtaining permission from relevant stakeholders, creating ducts and channels to lay the cables, and finally installing and connecting these optic fibre cables. It accounts for 60%+ of the cost of network development. It is thus economical to install more unlit fibre than what is needed for the prevalent market demands to prepare for expansion and redundancy.

B. Over Capacity of Unlit Fibre:Telephone companies were the builders of optical fibre networks; each with a business plan and intent of addressing the telecommunications market. This was based on the motivation that telecommunications/telecoms traffic, especially data traffic, would continue to increase as the network market inevitably would. Wavelength Division Multiplexing (W. D. M.) availability further encouraged reductionism in the demand for fibre because of the increased capacity that could be placed on a single fibre. The cost of data traffic collapsed. A number of providers filed for bankruptcy protection calling for a new telecommunications market.

C. Existing Market Trade:Local exchange carriers wouldn't sell unlit fiber to end users because they believed that it would distract some of their other more viable services. Incumbent (U. S.) carriers, being compelled to sell to competitive local exchange carriers sold this commodity as Unbundled Network Elements (U. N. E.). Since then, they have successfully lobbied reducing what is provided for existing fibre and cut it out completely for new deployments of fiber to the premises (F. T. T. P.).

Local Carriers in competition, in turn, were not required to sell this product, although unlit fibre exchanges between these local competitive carriers are common practice. The reach of the network increases in places where many a competitor has an influential presence, in exchange for provisions of unlit fibre capacity in places where that competitor has no influence.

Specialist companies arose. Dark fiber became a more readily available commodity during the late 1990's through to 2001. Pressurizing demands later lessened with capital being reinvested in order to light up existing dark fibre.

Dark Fiber capacity is commonly utilized by network operators with the intention of building S. O. N. E. T. And Dense Wavelength Division Multiplexing (D. W. D. M.) networks. By end-user endeavors for the expansion of local area Ethernet networks. D. W. D. M. Availability and accessibility is quickly and inevitably decreasing the cost of networking; Further progression is inevitable. It is thus no surprise that dark fiber appears to be lighting the network capacity of the telecommunication infrastructure.

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Article Source: http://EzineArticles.com/?expert=Angela_Edware

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The Advantages and Disadvantages of Network Data Cabling

With more and more devices and electronics being designed to make use of wireless networks for network connectivity, it's necessary to evaluate network data cabling before setting up a new device or system in your home or office. In many cases, a network that makes of use physical cabling will be more robust and secure network than a one based upon wireless technology. Read on for a few of the advantages of network data cabling, as well as some of the disadvantages with respect to wireless networks.

Security

One of the primary advantages of network data cabling is that they provide a higher level security than wireless networks. Although measures of security including passwords and protected Wi-Fi networks help to improve the security for wireless networks, they are never as secure as network cabling systems.

Reduced Interference

Proper installation of network data cabling helps to dramatically reduce the interference caused by electrical and radio frequency, known as electromechanical interference and radio frequency interference, respectively. Wireless networks are extremely susceptible to radio frequency interference problems. This is not the case with shielded network data cabling and fiber optic cable.

Consistent Connection

One of the biggest concerns that many wireless network users have is the inconsistency of the connection. As data transfer is performed, a lapse in the network connection caused by a momentary lapse in the wireless signal or electrical interference can effectively negate a great deal of work, slow down the transfer rate considerably, or introduce unacceptable levels of data corruption. Fortunately, network cabling provides a consistent connection that does not suffer from these momentary lapses.

Speed

Although not all network cabling will provide a speedy connection, the newer types of twisted pair data cabling can operate at data rates up to 10 gigabit. Fiber optic cabling transmits light rather than standard data information, making it optimal for high speed usage and extended ranges.

Mobility

One major disadvantage of a network data cabling setup is the mobility while connected to the network. Wireless networks provide excellent mobility for electronic devices because there are no wires to hinder movement, within the range of the transceiver. Unfortunately, users must be directly connected to a network cabling system in order to take advantage of the data transfer possibilities.

Expandability
If more than one physical computer connection is required when physical network data cabling is used, it's normally a simple matter of connecting a router or hub to the network cabling already installed and connecting network devices to the hub or router. Each hub or router can support up to 255 devices.

Wiring Setup

Whereas wireless networks are relatively easy to set up, a physical network data cabling system must be installed prior to use. This means that the cable must be routed and terminated properly at both ends. This normally means obtaining access to crawl spaces and the interiors of walls as well as cutting holes in walls.

Wayne Connors is the UK's leading expert and Author on Structured cabling, data cabling and fibre optic cabling. He is the Managing Director of ACC Ltd, and with over 25 years in the communication and networking industry is well placed to help you with your communication questions.

Article Source: http://EzineArticles.com/?expert=Wayne_Connors

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