Leased Line – An In-depth Guide !

by Sean Dixon

The popularization and invention of internet networks have introduced an enormous wave of changes to businesses, and in the manner, the globe does business today. In fact, the internet has made the global market more accessible through immediate connections. Today, we are so much dependent on the internet that without it we cannot imagine being productive in consideration to work. 

As per the report by WiredScore, 75 per cent of the firms put the blame on the unstable internet for their loss in business revenue. 

Leased line – What it is?

A leased line refers to a dedicated data connection with fixed bandwidth. This allows small, mid, and large enterprises to connect with the internet in a reliable, secure, and efficient manner for high resilience, download capacity and uptime. 

Leased lines – characteristics

Symmetrical – Leased lines are symmetrical, so the upload and download speeds are the same. 

Point to point – They connect 2 points – business location and ISP.

Uncontended – Leased line connections in nature are uncontended. This implies, that they cannot be easily shared with others. 

Leased Line – architecture

Leased lines are directly connected with premises or can even be done via fibre optic cable. In the scenario of fibre optic leased lines, they function by sending across pulses of light. Transmitted data moves at the speed of light. 

Leased lines – kinds

       Fibre leased lines – This is a process of transmitting light from the fibre leased lines to the optic cables. Doing so establishes a symmetric connection. Fibre leased lines provide great speed as compared to other kinds. 

       MPLS leased lines – MPSL or Multi-protocol label switching is a wonderful technique for encapsulating the data. This system is managed and outsourced by the service providers who assure network performance, availability and quality. As MPLS is crucially a private network, it is looked upon as secure and reliable but also costly. 

       DSL leased lines – DSL (Digital Subscriber Line) offers leased lines, which are of low bandwidth. As compared to the generic leased lines, which usually are non-contended and symmetric, DSL connections contend and are asymmetric. You can select SDSL, which is DSL’s asymmetric alternative providing faster upload speed. 

Leased line options 

Leased line options are Ethernet in First Mile, Ethernet Access Direct or Fibre Ethernet, and Ethernet over FTTC or Fibre to the Cabinet. 

How does the leased line function?

A leased line refers to the allocated circuit between 2 communication points. This is always switched on and then rented for a monthly charge or as per the terms of the service provider. Leased lines are dedicated, allocated and exclusive. It means that the linked bandwidth by nature is exclusive for business and personal use. They are distinct from conventional telecommunication technologies. They form a continuous tunnel between 2 communication points, permitting data to flow continuously. 

Leased line – how to set it up

Before opting for a leased line, ensure to consider factors like intensity, number of users, usage, and cost. Even assess the benefits and drawbacks like download and upload speed, reliability, and installation time before you set it up. 

What’s the speed of a leased line?

Leased lines usually have a speed ranging anywhere from 1 megabyte per second to 10 gigabytes per second. The average speed is often 2 megabytes per second. 

What’s the difference between business broadband plans and leased lines?

Business Broadband plans Leased line
The download speed in business broadband plans is more than the upload speed Upload and download speeds both are identical
Speed is moderate, particularly when compared business broadband plans to the leased line Speed is high in leased line
Bandwidth is shared among various users Connection is dedicated for each user and does not create any interruptions


One of the common options, when you think about high speed and reliable internet is leased lines. Leased lines are allocated circuits in between 2 communication points. Leased lines are often used by businesses, corporate offices, internet cafes and others. Principally, leased lines are utilized in all the places that require businesses to have uninterrupted internet for communication and collaboration activities.

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