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How can you enhance network performance with the best monitoring and analysis tools?

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Enhancing network performance is crucial for maintaining productivity and reliability in your organization. As a network engineer, you understand that a well-monitored and analyzed network can mean the difference between smooth operations and frustrating downtime. With the right tools, you can gain visibility into network traffic, identify bottlenecks, and optimize data flow to ensure peak performance. This article will guide you through the steps to leverage monitoring and analysis tools effectively, helping you to keep your network running at its best.

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1 Identify Needs

To enhance network performance, start by identifying your specific monitoring needs. This involves understanding the size and complexity of your network, the types of traffic it handles, and the performance metrics that matter most to your organization. By pinpointing these factors, you can select tools that provide the right level of detail and functionality. For instance, if your network handles large volumes of data, you'll need a tool that can analyze high traffic volumes without causing additional congestion.

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John Marcus Samuel (CPO,CSO,PCPI,IPSC,ILC,CRSS,PCSM,AHSE,ACSM,CBS,

Regional Security Manager @ A.G. Leventis (Nigeria) Ltd | Security Operations & Management
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- *LogicMonitor*: A cloud-based infrastructure monitoring system with an intuitive interface. - *Datadog*: A very popular network monitoring tool with numerous features, a simple REST API - *Microsoft System Center*: A good option for Azure users, it has a broad feature sets - *Dynatrace*: A cloud-based network monitoring tool that incorporates artificial intelligence techniques - *ConnectWise Automate*: A tool that allows you to monitor and maintain your entire network from a single browser screen. - *ManageEngine OpManager*: A tool that allows you to monitor critical network metrics, server availability, and VMs, and set alerts and alarms.

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Gábor Repei

Dynatrace Observability Consultant
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Basic evolution of NPM: 1. Device monitoring (mainly SNMP based) 1.1 HW elements, system monitoring 1.2 Interfaces, ports 1.3 Network services, routing table 1.4 State changes, logs, (SNMP trap, syslog) 1.5 Utilization 2. Availability 2.1 IP SLA 2.2 Traceroute, ICMP response time 3. Application flows 3.1 Netflow export 3.2 Delay, Retrans, Jitter measurements 3.3 Define services (combine flows) 3.4 Setup proactive alerts, use well defined tresholds (baselinening) Az the end you should be able to identify application related issues and troubleshoot incidents hop by hop on your network. Depending on your needs and size of the network, you will need to select a tool fitting the best. Do not forget to check integration options! And test...

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2 Right Tools

Choosing the right tools is paramount for effective network monitoring and analysis. Look for tools that offer real-time monitoring capabilities, customizable alerts, and detailed reporting features. These functionalities allow you to detect issues as they arise and take immediate action. Additionally, consider tools that support automated analysis and provide insights into long-term trends, which can help you make informed decisions about network upgrades and optimizations.

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3 Baseline Metrics

Establishing baseline performance metrics is a critical step in network optimization. By recording the normal operating levels of network traffic, error rates, and usage patterns, you have a reference point to detect anomalies. This historical data is invaluable when troubleshooting issues, as it enables you to quickly identify deviations from the norm. Regularly updating these baselines is also important to account for changes in network usage and configuration.

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Gábor Repei

Dynatrace Observability Consultant
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If auto baseline supported, use it! But do not forget to check the baselines regularly! You can secure your performance monitoring to combine auto baseline with absolute treshold values.

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4 Traffic Analysis

Traffic analysis is essential for pinpointing the causes of network slowdowns and disruptions. By examining the types of traffic and their sources and destinations, you can identify bandwidth hogs or unauthorized use that may be impacting performance. Effective traffic analysis tools will break down traffic by application, user, or device, providing clarity on how your network resources are being utilized and where adjustments may be needed.

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Gábor Repei

Dynatrace Observability Consultant
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This is where a PoC required to be completed and results must be evaluated. Analytical capabilities (and reporting/alerting) can be different tool by tool. More advanced analytics supported, more time saved.

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5 Performance Tuning

Once you've gathered sufficient data, it's time for performance tuning. This involves adjusting network settings and configurations based on the insights gained from your monitoring and analysis efforts. For example, you might implement Quality of Service (QoS) policies to prioritize critical applications or reconfigure devices to eliminate bottlenecks. Remember, performance tuning is an ongoing process that requires continuous monitoring and adjustment to maintain optimal network function.

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6 Proactive Approach

Adopting a proactive approach to network management can prevent many performance issues before they occur. By setting up alerts for abnormal activity and thresholds for performance metrics, you can intervene early when potential problems are detected. Proactive maintenance, such as regular updates and patches, also helps keep the network secure and efficient, reducing the likelihood of performance degradation over time.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you enhance network performance with the best monitoring and analysis tools?

1

2

3

4

5

6

7

1 Identify Needs

2 Right Tools

3 Baseline Metrics

4 Traffic Analysis

5 Performance Tuning

6 Proactive Approach

7 Here’s what else to consider

Network Engineering

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How can you enhance network performance with the best monitoring and analysis tools?

1

2

3

4

5

6

7

1 Identify Needs

2 Right Tools

3 Baseline Metrics

4 Traffic Analysis

5 Performance Tuning

6 Proactive Approach

7 Here’s what else to consider

Network Engineering

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