Latency Speed Test

Numerous people confuse internet speed for bandwidth, however it's not entirely their deficiency. Often, internet service providers guarantee that their connections are as quick as 50 Mbps, or that their speeds are 30% faster than their competitors. However, in reality, your 50 Mbps internet connection has little to do with speed, and more to do with the measure of data you can receive per second.

Basically, true internet speed comes down to a mix of bandwidth and latency. Be that as it may, what does latency mean? Read on to discover.

In this blog entry, we'll talk about the definition of latency and how it is different from bandwidth. In addition, we'll explore approaches to reduce latency.

What is Latency?

Latency is the time that elapses between a user activity and the subsequent response.

In networking, latency refers precisely to delays that happen inside a network, or on the Internet. Practically, it is the time between a user making some move and the response from the site or application to their activity.

Let's consider an example to better understand the meaning of latency.

Suppose a user clicks a connect to a webpage and the browser shows that webpage 300 ms after that click. What does this 300 ms mean? In the event that you guessed that it's the delay (otherwise called latency) between the user click and browser response, you're correct!

Latency versus Bandwidth

You can consider latency the measure of time it takes for data to send starting with one point then onto the next. Thusly, it depends on the physical distance that data must travel through strings, networks etc. to reach its target.

Then again, bandwidth is the rate of data transfer for a fixed period of time. As the name implies, bandwidth is the width of a communication band. The wider the communication band, the more data can move through it.

Irrespective of the measure of data you can send and receive simultaneously, it can just travel as quick as latency permits. Clearly, this means that sites run slower for some users depending on their physical location. Reckoning how to improve this speed for users from all corners of the world is what reducing worldwide latency is about.

What Affects Latency?

Coming up next are the seven fundamental factors that affect latency in telecom:

Transmission mediums: Mediums like WAN or fiber optic cables all have constraints and can affect latency just because of their nature. For instance, packets traveling over a T1 line can be expected to experience lower latency than packets traveling over a CAT5 cable.

Packet size: A large packet will take longer to travel full circle than a smaller one.

Propagation delay: Propagation is the measure of time it takes for a packet to travel starting with one source then onto the next at the speed of light. In the event that each gateway node needs to take time to inspect and perhaps alter the header in a packet, for example, changing the bounce include in the time-to-live (TTL) field, then this will increase latency.

Packet loss and jitter: Latency can likewise be introduced by a high percentage of packets that neglect to reach their destination. It additionally happens due to excessive variety in the time it takes for some packets to travel starting with one system then onto the next.

Routers: Routers take time to analyze the header data of a packet. In some instances they even include extra data. Each bounce a packet takes starting with one router then onto the next increases the latency time.

Signal strength: If the sign is weak and must be boosted by a repeater, this can introduce latency.

Storage delays: When a packet is stored or accessed, storage delay can be instigated by intermediate devices, for example, switches and bridges.

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