Latency simply means delay, and on the Internet, it usually relates to data transfer. Usually, latency in the data transfer between the server and the computer is measured in the time taken for the data to reach the desired end.
For example, a user sends a query
from the front end to the server at the backend. If there is considerable delay
the user moves on to another website resulting in a bounce rate. A high bounce
rate is bad for the website in the discussion here, and it results in the
ranking going lower down. This action and response are highly important for
website owners who make immense efforts to maintain low latency.
Importance of Latency Factor
Latency does not only impact
simple connections between a computer and hosting server, it is a major issue
between two interconnected servers and a huge server network. The latency
factor has become more important as it plays a role in IoT, cloud server
applications, and the usual business functions like simple websites and
eCommerce sites. The delay or lag time in data transfers can cause grave
inefficiencies and eventual failure. Thus, companies or their agencies try
their best to keep latency low.
Low latency is crucial in some
cases:
• Real-Time
Data Management
• Streaming
Online Applications
. API Integration
• Video
Enabled Remote Operations
In the case of real-time data
management, the data is obtained from diverse sources. These could be
transactional databases, software, cloud hosting, and sensors. Real-time
applications, like auctions, online gaming, and betting. Accuracy in
information retrieval is vital where real-time operations are required. Network
latency that is not smooth can cause huge problems. In the case of API, Network
latency can cause problems as two systems try to communicate and cause problems
in the process. Network latency can cause problems during remote video
operations.
Causes
Latency is purely a game of query
by the client or computer and response by the server. In what seems to be a
simple affair a lot many devices and applications are involved. Some of the
devices involved are modems, routers, switches, firewalls, and links such as
cables or wireless transmissions. Data hops as packets between these devices
before it reaches the client. The
packets are sent over cable or wireless transmission media. In this complex
system, just anything can go wrong and create problems.
- Server Performance
- Data Volume
- Network Hops
- Data Travel Distance
- Transmission Medium.
Slow servers are a major problem
further compounded by poor performance. Network devices have limited capacity,
and heavy transmission loads can slow transmission. Likewise, a high number of hops can slow down
the process. The main cause is a
multiple number of router hops that are increased. Long distances can slow down
transmission. Besides latency created by several mediums like optical fiber
cable, even wireless transmission can slow down the process.
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