Communications Server for Linux on zSeries

Features and benefits

New for Communications Server for Linux

Release 6.2.3 is available to replace 6.2.2, 6.2.1, and 6.2. This release includes the following new functions:

IPv6 support (in addition to IPv4)
The ability to enable or disable the inclusion of client IP addresses in the TCP/IP Information Control Vector
The command-line administration program and the NOF API now provide a function to query the Remote API Clients that are currently using a particular server. A NOF application can also register to receive notification when clients connect and disconnect.
Connection Network Reachability Awareness
Log filtering allows you to suppress multiple instances of the same log message

New functions for V6.2.2

Communications Server
- SUSE Linux Enterprise Server 10 support
- Remote API Client/Server performance enhancements
- HTTPS connections support for security-enhanced Remote API client/server
- TN Server and TN Redirector ports can now listen on specific interfaces
Remote API Client
- Support for Windows™ x64 Remote API Client
- Support for x86_64 Linux Remote API Client
- HTTPS connection support for secure Remote API Client/Server

Advanced Peer-to-Peer Networking (APPN)

Provides the benefits of peer networking - including simplified configuration, high availability, dynamic routing, and easier maintenance
Supports APPN network node or end node support
Branch extender to simplify APPN networks containing a large number of branch end nodes
Offers a way for existing Advanced Program-to-Program Communications (APPC) and Common Programming Interface for Communications (CPI-C) applications to take advantage of peer networks
Allows 3270 applications to flow over APPN networks, with dependent LU requester (DLUR) enablement

High-Performance Routing (HPR) and Enterprise Extender (EE)

Increases data routing performance and reliability
Offers non-disruptive routing around network outages
Allows many SNA clients to access multiple computers through one or more physical connections
Brings large computer resources to many users, while keeping adapter and line costs down
Extends the reach of SNA applications over IP networks and provides the level of reliability and performance enjoyed by SNA users
Allows users to reach VM and VSE SNA applications through IP

TN3270E server

Allows TCP/IP users easy access to IBM 3270 applications and print services through TN3270E server
Supports Secure Sockets Layer (SSL) authentication and encryption, providing secure access across the TCP/IP network

Telnet Redirector

Provides passthru TCP/IP host access to TN3270, TN3270E, TN5250 and VT clients
Allows you to use Secure Sockets Layer (SSL) security checking where necessary, and not on the entire user-to-host connection

SSL data encryption scalability

Ensures that the data flowing between the Telnet server and telnet emulator client is protected

Client Authentication

Application programming support

Provides an excellent platform for programming and application integration
Remote SNA API client/server technology
Extension of CPI-C to support Java™ applications as well as standard C-language applications
Includes Host Access Class library (Host Access API) for Java that provides a core set of classes and methods that allow the development of platform-independent applications that can access host information at the data stream level
Provides LUA request unit interface (RUI) and session level interface (SLI) APIs, supporting dependent LU types 0, 1, 2, 3
Provides CPI-C and APPC APIs supporting both dependent and independent LU 6.2. This commonly used interface makes it easier to develop cross-platform applications
Provides node operator facility (NOF) API, which allows custom applications to be written to perform system administration tasks
Includes an APPC Application Suite, a set of applications that demonstrates the distributed processing capabilities of APPN networks, including AFTP, APING, AEXEC, ATELL, ACOPY, and ANAME

Advanced program-to-program communication (APPC)

Delivers distributed processing capabilities by enabling different network nodes to share resources and tasks
Provides for peer-to-peer interaction and communication among various IBM and non-IBM systems
Supports multiple logical units and multiple concurrent links
Includes persistent verification to improve security

Common Programming Interface for Communications (CPI-C)

Offers the function of APPC in a consistent form across multiple system platforms for CPI-C
Permits smooth movement of applications from one system platform to another (for example, from a Communication Server for Windows or OS/2 to a Linux platform)
Supports CPI-C, Release 2

Remote API Client/Server

Remote API for SNA applications running on Windows or Linux
The server contains an SNA node, provides connectivity to the SNA network, and supports applications running locally on the server, or on the clients
Servers run on Linux systems
The clients use TCP/IP to route applications requests to the servers
Clients can run on Linux or Windows systems
The master server can distribute client requests to other servers in the domain

Configuration, installation, and administration options

Problem determination and systems management

Offers quick access to integrated problem determination functions
Allows problem determination and systems management functions to be performed under program control through the use of the NOF API
Facilitates management of remote servers

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