What administrative interfaces were available for NLDM?

NLDM used a command-line interface (CLI) for administration and configuration. Common commands included starting and stopping data collection, defining network resources, and generating reports. Configuration was managed through control statements.

What were the main components of the NLDM architecture?

NLDM's architecture consisted of components such as the data collector, the data repository, and the reporting engine. The data collector gathered performance metrics from the SNA network. The data repository stored the collected data. The reporting engine generated reports.

What communication protocols did NLDM use?

NLDM used SNA protocols for communication. It interacted with network devices using SNA sessions to collect performance data. The product relied on the underlying SNA network infrastructure for data transmission.

How was NLDM configured?

Configuration was primarily managed through control statements. These statements defined network resources, data collection parameters, and reporting options. The configuration files were read during product initialization.

What business value did NLDM provide?

NLDM provided insights into SNA network performance, helping to identify bottlenecks and optimize application response times. This led to improved user experience and more efficient use of network resources. It enabled proactive problem resolution.

How did NLDM contribute to business operations?

By monitoring network performance, NLDM helped to ensure that critical applications ran smoothly. This minimized downtime and improved the reliability of business operations. It supported business continuity.

How did NLDM assist with capacity planning?

NLDM provided data for capacity planning and resource allocation. By analyzing network traffic patterns, organizations could make informed decisions about network infrastructure investments. It supported efficient resource utilization.

How did NLDM contribute to cost savings?

NLDM helped in identifying and resolving network performance issues, which reduced the impact of network problems on business processes. This led to increased productivity and reduced operational costs. It improved overall efficiency.

What security features did NLDM offer?

NLDM did not have built-in security features beyond the security provided by the z/OS operating system and the underlying SNA network. Access control relied on z/OS security mechanisms. It did not offer encryption or specific authentication methods.

How was user access managed in NLDM?

User access to NLDM was managed through the z/OS security system, such as RACF or similar security products. Authorization to use NLDM commands and access data was controlled through security profiles. It leveraged existing security infrastructure.

What encryption methods did NLDM use?

NLDM did not provide encryption for data transmission or storage. Security relied on the security features of the SNA network and the z/OS operating system. Data was transmitted in clear text.

What audit/logging capabilities were available in NLDM?

Auditing capabilities were limited to the logging provided by the z/OS operating system and the SNA network. NLDM itself did not have specific audit logging features. Security events were logged through the z/OS system.

What administrative interfaces were available?

NLDM was administered through a command-line interface (CLI). Administrators used commands to start and stop data collection, configure network resources, and generate reports. The CLI provided direct access to product functions.

What were the main configuration parameters?

The main configuration parameters included the definition of SNA network resources, data collection intervals, and reporting options. These parameters were set using control statements. Configuration changes required restarting the product.

What monitoring and logging capabilities existed?

NLDM provided logging capabilities through the z/OS system logs. It recorded events such as start-up, shut-down, and errors. Administrators could use these logs to troubleshoot issues. The logs were essential for operational monitoring.

How was user management handled?

User management was handled through the z/OS security system, such as RACF. Administrators used z/OS security commands to define user access and permissions. NLDM relied on the underlying z/OS security infrastructure.

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NLDM

Name: NLDM
Availability: InStock

IBM Not Supported z/OS

Performance Networks and Communication Monitor

Vendor

IBM

Product Overview

The NLDM architecture comprised three main components: the data collector, the data repository, and the reporting engine. The data collector, a z/OS task, gathered performance metrics from the SNA network. It monitored LU-to-LU sessions, collecting data on response times, data transfer rates, and error counts.

The data repository, typically a VSAM dataset, stored the collected performance data. The reporting engine processed the data, generating reports on network performance. The CLI provided commands to start and stop data collection, define network resources, and generate reports.

Configuration was managed through control statements, which defined network resources and data collection parameters. NLDM used SNA protocols for communication. The product relied on the z/OS security system for access control.

NLDM is not supported. IBM Z NetView offers a modern architecture with REST APIs and enhanced monitoring capabilities. Broadcom Mainframe Network Management and BMC AMI Ops Monitor for Networks are also viable alternatives.

Frequently Asked Questions

What was the primary function of NLDM?

NLDM primarily monitored SNA network response times between logical units (LUs). It collected data on session establishment, data transfer, and session termination. This information was used to identify performance bottlenecks and network issues.

What kind of data did NLDM collect?

NLDM provided data on SNA network sessions, including session duration, data transfer rates, and error counts. This data was used to analyze network performance trends and identify areas for optimization. The data could be used to generate reports and alerts.

What network protocols and platforms did NLDM support?

NLDM was designed to work with SNA networks, which were common on z/OS systems. It used SNA protocols to communicate with network devices and collect performance data. The product was tightly integrated with the z/OS operating system.

How did NLDM help in troubleshooting network issues?

NLDM could help identify slow response times, excessive network traffic, and errors in SNA sessions. This information was used to troubleshoot network problems and improve application performance. It provided valuable insights into network behavior.

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