Latency ,Bandwith Explanation

  Latency 
   - The term latency refers to any of several kinds of delays typically incurred in the processing of network data. A low latency network connection is one that experiences small delay times, while a high latency connection suffers from long delays.Besides propagation delays, latency may also involve transmission delays (properties of the physical medium) and processing delays (such as passing through proxy servers or making network hops on the internet).

So what exactly is bandwidth, anyway?

Essentially, it’s just a term to quantify the rate of traffic and data allowed to flow between users and your site via the internet.

The term “bandwidth” is loosely use to describe “data transfer” but in reality these two are two different things.

Bandwidth is the measure of maximum data that can be transferred in a given time, usually measured in seconds. Data transfer, on the other hand, is the amount of data to be transferred; while bandwidth is the rate of the data transfer. You can imagine bandwidth as the width of a water pipe where data transfer is the amount of water flowing out from the pipe. How wide is the pipe width (bandwidth) determines how fast can water (data) flows. Fundamentally, data transfer is the consumption of bandwidth.

To site owners, the amount of bandwidth that a hosting company site offers can typically serve as a good indicator of that host’s capabilities – the higher the bandwidth, the better the speed; network; connectivity; and systems.

How to Calculate the Bandwidth you Need

Basic Bandwidth Calculation / Guesstimation

In bandwidth, it also doesn’t make sense to purchase up – this is why it makes sense to work with hosting providers who offer scalable solutions. As for buying small, that’ll only get you into trouble. Know your actual need to get the service that works for you – here’s how to calculate your required bandwidth:

1. Estimate the average page size of your site in kilobytes (KB).*
2. Multiply that average page size (in KB) by the monthly average number of visitors.
3. Multiply the result from step 2 by the average number of pageviews per visitor.

Needed Website Bandwidth + Redundancy (without user downloads)

To do this calculation, use the following formula:

Bandwidth needed = Average Page Views x Average Page Size x Average Daily Visitors x Number of days in a month (30) x Redundant Factor

• Average Daily Visitors: The total number of monthly visitors/30.
• Average Page Size: The average size of your web page.
• Average Page Views: The average page viewed per visitors.
• Redundant Factor: A safety factor ranged from 1.3 – 1.8.

Needed Website Bandwidth + Redundancy (with user downloads)

If your site does not use or allow downloads:

Bandwidth needed = [(Average Page Views x Average Page Size x Average Daily Visitors) + (Average Download per day x Average File Size) ] x Number of days in a month (30) x Redundant Factor

• Average Daily Visitors: The total number of monthly visitors/ 30.
• Average Page Size: The average size of your web page
• Average Page Views: The average page viewed per visitor
• Average File Size: The total file size divided to the number of files
• Redundant Factor: A safety factor ranged from 1.3 – 1.8.