Best Network Monitoring Software for Elastic Observability

NetFlow Analyzer provides real-time visibility to network bandwidth performance and leverages flow technologies. NetFlow Analyzer provides a comprehensive view of your network bandwidth usage and traffic patterns. It has been used to optimize thousands of networks worldwide. NetFlow Analyzer provides a single solution that analyzes, reports, and collects data about your network's bandwidth usage. NetFlow Analyzer can help you optimize bandwidth usage across more than a million interfaces worldwide. It also provides network forensics, network traffic analysis, and network forensics. To gain control over the most used applications, you can reconfigure policies using traffic shaping via ACLs and class-based policies. NetFlow Analyzer uses Cisco NBAR technology to provide deep visibility into Layer 7 traffic. It can also identify applications that use dynamic port numbers, or hide behind known ports.

PagerDuty, Inc. (NYSE PD) is a leader for digital operations management. Organizations of all sizes rely on PagerDuty to deliver the best digital experience to their customers in an ever-on world. PagerDuty is used by teams to quickly identify and solve problems and to bring together the right people to prevent future ones. PagerDuty's 350+ integrations include Slack, Zoom and ServiceNow as well as Microsoft Teams, Salesforce and AWS. This allows teams to centralize their technology stack and get a holistic view on their operations. It also optimizes processes within their toolkits.

Establish, safeguard, manage, and monitor your services seamlessly. With Istio's traffic management capabilities, you can effortlessly dictate the flow of traffic and API interactions between various services. Furthermore, Istio streamlines the setup of service-level configurations such as circuit breakers, timeouts, and retries, facilitating essential processes like A/B testing, canary deployments, and staged rollouts through traffic distribution based on percentages. It also includes built-in recovery mechanisms to enhance the resilience of your application against potential failures from dependent services or network issues. The security aspect of Istio delivers a thorough solution to address these challenges, and this guide outlines how you can leverage Istio's security functionalities to protect your services across different environments. In particular, Istio security effectively addresses both internal and external risks to your data, endpoints, communications, and overall platform security. Additionally, Istio continuously generates extensive telemetry data for all service interactions within a mesh, enabling better insights and monitoring capabilities. This robust telemetry is crucial for maintaining optimal service performance and security.

Enhance your metrics and alerting capabilities using a top-tier open-source monitoring tool. Prometheus inherently organizes all data as time series, which consist of sequences of timestamped values associated with the same metric and a specific set of labeled dimensions. In addition to the stored time series, Prometheus has the capability to create temporary derived time series based on query outcomes. The tool features a powerful query language known as PromQL (Prometheus Query Language), allowing users to select and aggregate time series data in real time. The output from an expression can be displayed as a graph, viewed in tabular format through Prometheus’s expression browser, or accessed by external systems through the HTTP API. Configuration of Prometheus is achieved through a combination of command-line flags and a configuration file, where the flags are used to set immutable system parameters like storage locations and retention limits for both disk and memory. This dual method of configuration ensures a flexible and tailored monitoring setup that can adapt to various user needs. For those interested in exploring this robust tool, further details can be found at: https://sourceforge.net/projects/prometheus.mirror/

Icinga is an internet monitoring system that checks the availability of your network resources and notifies users when there are outages. It also generates performance data for reporting. Icinga is flexible and extensible. It can monitor complex environments in multiple locations. Icinga 2 is the monitoring server and requires Icinga Web 2 on top in your Icinga Stack. You can manage the configuration with the Icinga Director or config management tools. Plain text is also available within the Icinga DSL. Find solutions, take action and become a problem-solver. Flexibility is key. Keep curious, stay passionate, and stay in the loop. Tackle your monitoring challenge. The Icinga stack consists of six core strengths that cover all aspects related to monitoring. You can get valuable insights, on-time notifications and eye-opening visuals as well as analytics. Icinga integrates easily into your systems and gives you the power of automating your tasks.

Zeek, initially known as Bro, stands as the premier platform for monitoring network security. It is an adaptable, open-source solution driven by those dedicated to defense in the cybersecurity realm. With its origins tracing back to the 1990s, the project was initiated by Vern Paxson to gain insights into activities on university and national laboratory networks. In late 2018, to acknowledge its growth and ongoing advancements, the leadership team transitioned the name from Bro to Zeek. Unlike conventional security tools such as firewalls or intrusion prevention systems, Zeek operates passively by residing on a sensor, which can be a hardware, software, virtual, or cloud-based platform, that discreetly monitors network traffic. By analyzing the data it collects, Zeek generates concise, high-quality transaction logs, file contents, and customizable outputs that are well-suited for manual examination on storage devices or through more user-friendly applications like security information and event management (SIEM) systems. This unique approach allows for a deeper understanding of network activities without interfering with the traffic itself.