NETWORK BANDWIDTH: What Is It & How Is It Measured?

NETWORK BANDWIDTH: What Is It & How Is It Measured?
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Table of Contents Hide
  1. What is Network Bandwidth?
  2. How does Bandwidth work?
  3. What’s the difference in internet terms?
    1. #1. Bandwidth vs. internet speed
    2. #2. Bandwidth vs. latency
    3. #3. Bandwidth vs. throughput
  4. How is Bandwidth measured in networking?
    1. #1. Bps (bits per second):
    2. #2. Kbps (kilobits per second): 
    3. #3. Mbps (megabits per second):
    4. #4. Gbps (gigabits per second):
  5. Why is Network Bandwidth Monitoring important?
    1. #1. It identifies bandwidth needs. 
    2. #2. It boosts network performance.
    3. #3. It saves your budget. 
    4. #4. It enhances your security. 
  6. How can I measure my network bandwidth? 
    1. #1. Software for Monitoring Network Performance and Bandwidth
    2. #2. Websites that Test Speed and Bandwidth 
    3. #3. Tools for Network Testing and Bandwidth Measurement
    4. #4. Command-Line Tools for Bandwidth Measurement
    5. #5. Bandwidth Measurement Using the Simple Network Management Protocol (SNMP) 
    6. #6. Network Emulators for Bandwidth Assessment 
  7. How to Choose the Best Network Bandwidth Monitor?
    1. #1. Network Size and Complexity:
    2. #2. Scalability:
    3. #3. Ease of Use:
    4. #4. Reporting and alerting:
    5. #5. Cost: 
  8. The best Network Bandwidth monitoring tools
    1. #1. SolarWinds Hybrid Cloud Observability (FreeTrial)
    2. #2. SolarWinds NetFlow Traffic Analyzer (Free Trial)
    3. #3. PRTG Network Monitor
    4. #4. SolarWinds Network Performance Monitor (Free Trial)
    5. #5. ManageEngine NetFlow Analyzer
    6. #6. Datadog Network Performance Monitoring
    7. #7. Cacti
  9. How should I set my network bandwidth?
  10. What is good bandwidth? 
  11. How do I know if my bandwidth is bad? 
  12. How do I fix bandwidth problems?
  13. What is Bandwidth in a WiFi router?
  14. Conclusion
  15. Related Articles: 
  16. References:

As we become more and more reliant on the internet, having high bandwidth is essential to ensure the smoothest and best experience possible when browsing the web, doing business online, or streaming multimedia content. 

In this blog post, we’ll examine network bandwidth’s operation, the reasons it’s crucial to comprehend, and how to measure its performance. 

What is Network Bandwidth?

Network bandwidth is a statistic that shows how much data can be sent over a network connection in a specific amount of time using a wired or wireless communications channel. The number of bits, kilobits, megabits, or gigabits that can be transmitted in a second is typically used to describe bandwidth. Bandwidth is the term used to define the rate at which data is transferred. Contrary to popular belief, bandwidth is not a gauge of network performance.

How does Bandwidth work?

A data link can send and receive more data at once the more bandwidth it has. In terms of bandwidth, the more data that may pass across a communication channel in a second, the higher its capacity.

With increased bandwidth comes increased costs for network connections. Consequently, the cost of a 1 gigabit per second (Gbps) dedicated internet access (DIA) link will be higher than that of a link capable of handling 250 megabits per second (Mbps).

What’s the difference in internet terms?

Some terms on the internet are so close to one another that people frequently mix them up.

#1. Bandwidth vs. internet speed

Speed is the rate at which information is downloaded or received, whereas bandwidth is the amount of information you receive per second. Consider filling a bathtub as an analogy. More water can flow more quickly via a bathtub faucet with a wider opening than one with a narrower pipe. Consider the water to be the bandwidth and the water’s flow rate to be the speed.

#2. Bandwidth vs. latency

Sometimes, latency is referred to as ping rate or delay. It’s the latency you encounter when waiting for a page to load. Latency is the length of time it takes for information to travel from its source to you; bandwidth is the quantity of data transferred per second.

#3. Bandwidth vs. throughput

The amount of information that is actually delivered in a certain amount of time is known as throughput. Consequently, throughput, which accounts for the delay, network speed, packet loss, and other considerations, is the quantity of data that reaches its destination out of bandwidth, which is the maximum amount of data.

How is Bandwidth measured in networking?

Here are some common units of measurement for bandwidth:

#1. Bps (bits per second):

The bit, which denotes a binary digit of either 0 or 1, is the smallest unit of digital information. The amount of bits that may be sent or received in a second is known as bandwidth, and it is commonly denoted in bits per second. This unit is frequently used to measure network speeds in detail.

#2. Kbps (kilobits per second): 

A kilobit is one thousand bits. The thousand bits per second (Kbps) unit is used to express the data transmission speed. Lower-bandwidth connections, such as dial-up or earlier DSL connections, are frequently described with this term.

#3. Mbps (megabits per second):

One million bits, or 1,000 kilobits, is equal to one megabit. Millions of bits per second, or Mbps, is the metric used to describe data transfer speed. For evaluating network speeds, especially those of normal household broadband connections, it is a frequently used unit.

#4. Gbps (gigabits per second):

One gigabyte is equivalent to 1,000 megabits, or one million billion bits. The speed at which data is sent is measured in gigabits per second or Gbps. High-speed network connections, including fiber-optic or business-grade internet connections, are frequently measured with it.

Note that it is essential to pay attention to the unit of measurement when choosing an internet service plan or assessing network performance in order to make well-informed judgments and comprehend the speed at which data can be carried or received.

Why is Network Bandwidth Monitoring important?

Usually, network outages are what notify IT specialists of issues. You have a clear advantage if you keep an eye on the network bandwidth’s pulse at all times. You’ll be able to identify and resolve problems faster because you’ll know where to look.

Using the appropriate tool for measuring network bandwidth, you can:

#1. It identifies bandwidth needs. 

With a network usage monitor, you can keep an eye on both WAN and LAN bandwidth, gain a thorough understanding of the bandwidth capacity your network needs, and determine when it might be time to upgrade your bandwidth. Continuous network performance monitoring puts you in a better position to identify patterns that point to the need for more bandwidth well in advance. To put it plainly, an upgrade should never be planned as a reaction to a crisis.

#2. It boosts network performance.

A comprehensive view of your bandwidth and network health is provided by bandwidth analyzers, which enable you to track the response times, availability, and uptime of routers. This enables you to detect issues early on and address performance issues before they cause end users to become dissatisfied and productivity to completely stop.

#3. It saves your budget. 

It’s always a good idea to use a bandwidth monitoring tool to collect and share both detailed and broad insights about network usage before investing more money in your bandwidth. By keeping an eye on things, you may prevent problems and solve slowdowns without having to buy more bandwidth.

#4. It enhances your security. 

Hackers are waiting to seize the chance to introduce malware into the system of your business and take advantage of extremely private information. Monitoring bandwidth utilization gives you a clear picture of potentially dangerous traffic patterns, making it easy to spot unusual activities and hosts. Equipped with this degree of awareness, you can thwart hackers and shield your business from a data leak.

How can I measure my network bandwidth? 

#1. Software for Monitoring Network Performance and Bandwidth

This is a solution for continually monitoring and analyzing many elements of network performance, including bandwidth use, such as Okio. Network administrators can obtain historical data, comprehensive statistics, and real-time insights into the traffic patterns and health of their network with this software’s unified platform.

#2. Websites that Test Speed and Bandwidth 

Internet speed test websites, such as Fast.com, provide an easy and rapid way to measure an internet connection’s upload and download rates. These platforms measure the speed based on the time it takes for data to travel and use servers spread around the globe to start data transfers. Note that although speed test websites are convenient and provide fast results, they might not give the most accurate measurement of bandwidth throughput.

#3. Tools for Network Testing and Bandwidth Measurement

Network testing tools are specialized software programs made to evaluate and quantify many aspects of network performance in a local network setting, such as bandwidth usage. Compared to websites that perform speed tests, network testing provides more comprehensive and adjustable measurements.

#4. Command-Line Tools for Bandwidth Measurement

Bandwidth measurements can be done with command-line utilities like iperf or curl. By creating fictitious traffic between the source and destination endpoints and timing the transmission of data, command-line tools can measure bandwidth. They use the quantity of data transported and the transmission time to determine the data transfer rate, or throughput.

With the ability to analyze bandwidth in a flexible and hands-on manner, these applications provide comprehensive performance indicators, including packet loss, latency, and throughput. However, they require that users have some familiarity with networking and command-line interfaces.

#5. Bandwidth Measurement Using the Simple Network Management Protocol (SNMP) 

Network managers can effectively monitor devices on the network and gather performance statistics by using the Simple Network Management Protocol (SNMP) for bandwidth measurement. SNMP enables network administrators to track many performance parameters, including network device monitoring and bandwidth-related data collection. It is possible to query routers and switches that support SNMP for bandwidth statistics.

#6. Network Emulators for Bandwidth Assessment 

Network simulators are effective tools that allow you to test services and applications under various bandwidth situations by simulating real-world network conditions. They make it possible to design capacity, conduct realistic testing, and optimize applications.

Limiting the available bandwidth for testing is one of the main purposes of network simulators. Administrators can measure how services and applications react to constrained network resources by imposing bandwidth restrictions.

How to Choose the Best Network Bandwidth Monitor?

When selecting a bandwidth monitor, keep the following things in mind:

#1. Network Size and Complexity:

Select a bandwidth monitor that can manage a significant volume of network traffic and has sophisticated analytics and filtering tools to help you quickly identify and isolate issues if your network is large and complex.

#2. Scalability:

Selecting a bandwidth monitor that can expand your network is crucial. Select a monitor that can ideally grow with your needs for features and increased traffic.

#3. Ease of Use:

Your team will be able to assess and act upon network statistics more rapidly and precisely if you select a bandwidth monitor with an intuitive user interface.

#4. Reporting and alerting:

Select a bandwidth monitor with comprehensive reporting and alerting features. A high-quality bandwidth monitor should offer reports that may be customized to display network performance and usage data in graphical form.

#5. Cost: 

Lastly, take into account the bandwidth monitor’s price and make sure it stays within your financial limits. Consider the functionality, support, and scalability of the long-term cost of ownership.

The best Network Bandwidth monitoring tools

Here are the best tools to monitor bandwidth and network usage:

#1. SolarWinds Hybrid Cloud Observability (FreeTrial)

SolarWinds® Hybrid Cloud Observability provides highly advanced bandwidth monitoring capabilities. It’s a reliable solution for detecting, diagnosing, and preventing network performance issues. It integrates data from various IT ecosystem components, including networks, servers, applications, databases, and more, offering full-stack observability. The goal is to help organizations ensure availability, reduce remediation time, and gain valuable insights into their hybrid cloud infrastructure.

Key Features:

  • Observability of application, network, and infrastructure performance
  • Dashboards with historical and current data
  • Alerting, configurable reporting, and intelligent AIOps correlation
  • Automated dependency mapping and discovery
  • Network, virtualization, server, and application configuration management

#2. SolarWinds NetFlow Traffic Analyzer (Free Trial)

SolarWinds NetFlow Traffic Analyzer (NTA) is a comprehensive network bandwidth monitor that can be leveraged to monitor network traffic across a wide variety of vendors and devices, including Cisco, Juniper, and Extreme Networks routers, switches, and firewalls.

Key Features:

  • Sophisticated reporting and graphics
  • Supports IPFIX, NetStream, sFlow, J-Flow, and NetFlow
  • Notification and alerting of network traffic
  • Dashboard for performance analysis

#3. PRTG Network Monitor

PRTG Network Monitor is a monitoring program that lets you measure all network traffic by keeping an eye on the data that is directly on your routers. Additionally, PRTG Network Monitor helps you monitor high overloads, determine how much bandwidth your devices and apps are using, and find bottlenecks quickly and accurately. 

Key features:

  • Incredibly flexible reporting
  • Detects bandwidth-guzzlers
  • Autonomous network exploration
  • Exceptional usability

#4. SolarWinds Network Performance Monitor (Free Trial)

SolarWinds Network Performance Monitor (NPM) is a powerful and all-inclusive bandwidth monitoring tool made to give businesses valuable insights into the operation of their networks. Network managers can efficiently monitor and control bandwidth utilization using NPM’s sophisticated capabilities and user-friendly interface, guaranteeing peak network performance.

Key Features:

  • PerfStackTM and NetPathTM for simple troubleshooting
  • For greater awareness, use Network InsightsTM
  • Adaptive maps for automatic network identification
  • More intelligent scalability in big situations

#5. ManageEngine NetFlow Analyzer

ManageEngine NetFlow Analyzer is a comprehensive tool for traffic analytics. By utilizing the platform’s real-time insights, comprehensive analytics, and historical bandwidth reports, you can delve deeper and uncover traffic trends and device performance, providing you with the knowledge you need to make more educated capacity planning decisions. You’ll be able to determine when to increase your bandwidth as well as when it’s appropriate to enact new rules or turn off particular devices.

Key Features:

  • Use tracking particular to an application
  • Protection and identification of anomalies
  • Management of network configuration
  • It tracks speed, volume used, bandwidth, packets transported, and report exporting.

#6. Datadog Network Performance Monitoring

Datadog Network Performance Monitoring is a potent SaaS solution hosted in the cloud that is intended to track and examine network traffic patterns. Through its live network mapping and protocol analysis features, it provides businesses with insightful information about how well their networks are performing. Through constant traffic volume monitoring and data analysis at each device, users may monitor application performance, locate bottlenecks, and optimize network resources.

Key Features:

  • It offers performance alerts.
  • It offers internet connection analysis.
  • It offers network traffic volume monitoring.

#7. Cacti

Cacti is primarily a front-end, open-source graphing tool for system data, while it also has data-collecting capabilities. By utilizing RRDTool, a data recording and graphing solution, you can gather data from nearly any type of infrastructure component, such as firewalls, load balancers, servers, routers, and switching systems, and display it in various graphical representations.

For individuals seeking a comprehensive overview of their bandwidth, this is a wise and cost-free choice. Windows OS or Unix can both be used to install it.

Key Features:

  • A vast network of plugins to expand Cacti’s fundamental functionality
  • Automation, devices, and graph templating
  • Remote data collectors, which are resistant to sporadic network outages, are used in distributed data collection.
  • Automated device identification, encompassing tree and graph automation

How should I set my network bandwidth?

Bandwidth influences how quickly you can access the internet. A good speed is defined as any connection that is faster than 25 Mbps; therefore, larger homes with three to five people should look at 200 to 300 Mbps.

What is good bandwidth? 

A good internet speed is at least 12 megabits per second (Mbps) of download speed and for four or more devices, at least 25 Mbps.

How do I know if my bandwidth is bad? 

The following are typical indicators to be aware of:

  • Some websites are not working or are prohibited.
  • Download rates have decreased.
  • Certain services or websites load more slowly than others.
  • Videos are sluggish or buffering.
  • You’re not getting as much internet as you used to.

How do I fix bandwidth problems?

If your network bandwidth is low, these are the best techniques to boost it:

  • Invest in a higher-capacity internet plan.
  • Switch to a new Wi-Fi channel.
  • Restart and update your router.
  • Cut down on the number of linked gadgets.
  • To prevent bandwidth throttling, use a VPN.
  • Switch to a more bandwidth-rich ISP.

What is Bandwidth in a WiFi router?

Bandwidth in a Wi-Fi router refers to the wireless network’s maximum data transfer rate or capacity. It is a measure of how much data can be transferred over a network in a specific amount of time; it is commonly expressed in megabits per second (Mbps) or gigabits per second (Gbps).

Conclusion

All businesses, regardless of size or budget, ought to use bandwidth monitoring. You may improve network speed, determine your bandwidth requirements, possibly save money for your company, and increase the security of your daily operations by keeping an eye on your bandwidth. With the correct tool, you’ll be able to see performance problems early on and even put a stop to them before they completely impede end-user productivity.

References:

TechTarget 

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