What were the main components of the Communications Controller for Linux architecture?

The system comprised components such as the NCP emulator, link layer drivers, and session management modules. These components communicated through internal APIs and shared memory.

What APIs did Communications Controller for Linux expose?

The product likely did not expose external APIs like REST or SOAP. Integration would have been achieved through configuration and monitoring tools, or potentially through custom scripting interacting with the command-line interface.

What communication protocols were used?

The product used SNA protocols for network communication. Specific protocols included SDLC, QLLC, and possibly TCP/IP encapsulation for certain configurations.

What business value did Communications Controller for Linux provide?

The product enabled organizations to extend the life of their SNA networks by providing a z/Linux-based emulation environment. This allowed continued use of existing applications and infrastructure without immediate replacement.

How did this product help reduce costs?

By emulating the communications controller on z/Linux, organizations could consolidate hardware and reduce operational costs associated with dedicated FEPs. This also provided flexibility in deployment and management.

What authentication methods were supported?

Authentication methods likely included basic username/password authentication for administrative access. Integration with external authentication systems like LDAP or Kerberos might have been possible.

What access control model was used?

The access control model was likely role-based (RBAC), with different roles having varying levels of access to configuration and monitoring functions. Access control lists (ACLs) might have been used for finer-grained control.

What encryption was used and where?

Encryption was likely used for sensitive data transmission over the network. This could include SSL/TLS for administrative interfaces and encryption of SNA traffic using protocols like IPSec.

What audit/logging capabilities existed?

The product provided audit logging capabilities, recording administrative actions, security events, and network activity. These logs could be used for security monitoring and compliance purposes.

How was user management handled?

User management involved creating and managing user accounts with specific roles and permissions. This could be done through the CLI or a web-based interface.

What monitoring/logging capabilities existed?

Monitoring capabilities included real-time monitoring of network activity, resource utilization, and system health. Logging capabilities captured events for troubleshooting and analysis.

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Communications Controller for Linux

Name: Communications Controller for Linux
Availability: InStock

IBM Not Supported z/OS z/VM zVSE/VSEn

Tools and Utilities Networks and Communication

Vendor

IBM

Product Overview

Communications Controller for Linux was designed as a z/Linux-based Front End Processor (FEP) emulator to run ACF/NCP for SNA networks. The main system components included the NCP emulator, link layer drivers, and session management modules. The NCP emulator handled the core SNA protocol processing.

Link layer drivers managed communication with physical network interfaces, supporting protocols like SDLC and QLLC. Session management modules controlled SNA sessions between applications. These components communicated via internal APIs and shared memory.

Configuration was file-based, defining network resources and parameters. Administrative interfaces included a command-line interface (CLI) for configuration and monitoring. Authentication methods likely included username/password authentication, potentially integrating with LDAP or Kerberos.

The access control model was likely role-based (RBAC). The product is no longer supported. Organizations should migrate to alternative networking solutions, such as SDN, AMQP, or cloud-based integration platforms.

This involves re-architecting applications to use TCP/IP and modern messaging protocols.

Frequently Asked Questions

What was the primary function of Communications Controller for Linux?

Communications Controller for Linux emulated an ACF/NCP environment, allowing SNA network operation on z/Linux. It handled tasks like link management, routing, and session control.

What were the most common tasks performed with this product?

Common operations included defining network resources (lines, PU/LUs), configuring routing paths, starting/stopping the controller, and monitoring network activity. Configuration files defined the network topology and resource parameters.

How was Communications Controller for Linux configured and managed?

Configuration was primarily file-based, using configuration files to define network resources and parameters. Command-line interfaces were used for starting, stopping, and monitoring the controller.

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Communications Controller for Linux

Product Overview

Frequently Asked Questions

What was the primary function of Communications Controller for Linux?

What were the most common tasks performed with this product?

How was Communications Controller for Linux configured and managed?

What were the main components of the Communications Controller for Linux architecture?

What APIs did Communications Controller for Linux expose?

What communication protocols were used?

What business value did Communications Controller for Linux provide?

How did this product help reduce costs?

What authentication methods were supported?

What access control model was used?

What encryption was used and where?

What audit/logging capabilities existed?

What administrative interfaces were available?

How was user management handled?

What monitoring/logging capabilities existed?

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