These leased line services have premium costs that are supported by a comprehensive Service-Level Agreement (SLA) with an assured fix time and clause for compensation of losses. The SLA confirms an internet service provider's contractual requirement to ensure the service is maintained which often not found with in cheaper services. Leading SLA's will include money back targets on service availability, delivery and performance. When not meeting those targets, they will give money back. Connection fees are fixed monthly, quarterly or annual rates in addition to the set-up install cost. The main factors affecting the fees charged are the customer's distance to nearest service provider point of presence (POP) and the circuit speed.
Components include an installed router using a standard RJ45 connector. The carrier links the router to the local POP of the service provider. Network termination equipment connects to either fiber optic or copper circuit. Leased lines are often called point-to-point, dedicated access, private line, or private circuit lines.
A company may have specific requirements for bandwidth ranging from 64 Kbps to 1000 Mbps. The required speed depends on how many employees need internet access and on what applications are being used. Applications vary in the amount of bandwidth used. Businesses use these services when needing high quality 24/7 internet access with an SLA as well as running critical applications using fast upstream speeds.
There are a number of advantages to using this service. These lines are dedicated entirely to a customer so they are private and secure. The speed is direct and without contention. Bandwidth can range from 64 Kbps through to 10 Gbps. Premium private circuit local loops are reliable with fast time so that guarantees are fixed. These resilient lines provide redundancy to reduce outages using a wide choice of speeds so that bandwidth on demand is easy to upgrade. This service is dependable so it is suitable for in-office web hosting.
The disadvantage of the service is that it is often expensive to install and rent so it is not suited for individuals or workers at home. The lead time for installation can be as long as 65 working days and it is dependent on the distance to the nearest POP.
Leased lines, along with the existent telephone network attributes working together, provide a wide area of coverage. Contrasting broadband, only well served country areas have available lines. Companies in rural areas should choose any necessary upstream bandwidth carefully before picking their location.
Business broadband connections are designed to be used with more than fifteen to twenty users. If your office has more employees than this, it would be a benefit to use the more robust leased line services. If your office sends large files, hosts data at the main office or supports end user demands with fast download speeds, the office requires a large upload bandwidth to support it. Using a business broadband connection, speed may be reduced during peak hours or line speeds will vary at different times of the day. The speed of broadband can be affected by the distance from an exchange, line quality, contention and many other factors.
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