A flexible solution for connecting your enterprise

IBM Communications Server

^ Communications IBM Server zSeriesTM

Internet/extranet SNA or TCP/IP intranet Communications Server LAN Communications Server Communications Server Traditional TCP/IP Web browser Web browser SNA SNA intranet WebSphere Host On-Demand LAN LAN

Personal Communications Personal Web browser Screen Customizer Communications WebSphere Host On-Demand Screen Customizer

IBM Communications Server provides a comprehensive connectivity solution.

Highlights

■ Base application decisions on ■ Leverage current investments ■ Help reduce 3270 user ID and business needs, not on operating and run SNA applications over password administrator costs platforms or network protocols TCP/IP networks with the express logon function

■ Provide connectivity to the ■ Help protect business ■ Help boost network availability, intranet or Internet with a information assets from security efficiency and performance with scalable, high-performance breaches load balancing, hot standby gateway server and HPR As your business needs grow, place, while making the transition at applications over existing SNA chances are, so will your network. your own pace. IBM Communications networks without adding a separate Explosive growth and constant change Server can connect your employees, TCP/IP network. And you can extend in the information management and customers and trading partners to SNA applications to TCP/IP users delivery arena call for versatile the information and applications they without the addition of a separate technologies to meet your company’s need, independent of the underlying SNA network. growing needs. IBM Communications network. Designed to meet your Server meets the challenge—offering company’s growing e-business needs, Reliability and flexibility a comprehensive package of IBM Communications Server provides IBM Communications Server also enterprise networking solutions to fast, efficient ways to extend data to works as a Telnet server, providing effectively connect your employees, Web users. SNA network access to client appli- customers and trading partners cations running anywhere in your across multiprotocol networks. A natural evolution TCP/IP network. Enterprise Extender, IBM has long been a leader in a leading-edge solution for accessing Power up for business flexibility communication software. With the SNA applications over TCP/IP No matter where your company wants introduction of Communications networks, offers levels of reliability, to go to make existing host applications Server products, we’ve implemented scalability and control similar to those available through the Internet, IBM functions and connectivity based on provided by SNA networks. Enterprise Communications Server takes you industry-standard solutions, tailored Extender uses standard Internet there quickly and easily. With IBM for a wide range of platforms. Acting Protocol (IP) technology and requires Communications Server, you can as a multiprotocol gateway, IBM no new hardware or software in the leverage network assets already in Communications Server enables appli- IP backbone. cations to run over multiple network protocols. You can run TCP/IP

2 IBM Communications Server at a glance

Platforms Hardware requirements Software requirements Memory requirements

IBM AIX, Version 6.1 • Any system supported by IBM • AIX, Version 4.3.3, or higher • 64MB of real memory for AIX®, Version 4.3.3 or AIX 5L • Motif level 1.2 support effective performance for POWER, Version 5.1 (part of AIX base operating • Appropriate communication system; required for adapters, cables and Motif administration) device drivers • 71MB–95MB of permanent space, depending on features installed • At least 2MB of additional hard disk space for installation • 4.1MB–6MB of hard disk space per language for messages, depending on language • 16MB of hard disk space for softcopy documentation

Windows NT and Windows 2000 • Intel® Pentium® processor, • Windows NT Server, • Minimum of 32MB of real Version 6.1.1 minimum 166MHz for Version 4.0 or higher, or memory Windows® 2000, 100MHz Windows 2000 Server, for Windows NT Advanced Server or Professional Server

IBM OS/2 WARP, Version 6.1 • Intel 486 (or compatible • OS/2 WARP Server, • Minimum of 32MB of real microprocessor), minimum Version 4.0 or OS/2 WARP, memory 166 MHz, or higher Version 4.0

3 Security To take advantage of the express Simplified administration IBM Communications Server offers logon function, a TN3270 client, IBM Communications Server allows TN3270E and TN52501 servers, such as IBM WebSphere® Host you to perform server administration supporting Secure Sockets Layer (SSL) On-Demand, Version 5.0 and IBM over an intranet or the Internet. From authentication and encryption across Communications Server for OS/390 either a remote or local workstation, the TCP/IP network. The built-in as found in IBM OS/390®, Version 2 the administrator can manage IBM security of SSL helps protect your Release 10, is required. Communications Server through a data from eavesdropping, tampering Web browser. or message forgery over TCP/IP, Network performance utilizing SSL-enabled TN3270 and IBM Communications Server can IBM Communications Server is TN5250 clients connected to IBM help improve the availability and enabled for Tivoli® software to centrally Communications Server. Session-level performance of your network. Using manage the devices and applications encryption enables you to encrypt High-Performance Routing (HPR), it in your network. IBM Communications workstation data between the server offers the ability to reroute traffic Server is certified Tivoli Ready™ on and the host across SNA networks. around network failures and conges- IBM OS/2 WARP® and Microsoft® tion. Additionally, it provides highly Windows NT®. Streamlined 3270 access intelligent session management to With the express logon function of IBM help minimize network congestion Power programming Communications Server, a user running and maximize throughput. IBM Communications Server provides a 3270 client session can log on to a a sophisticated programming interface, host system without having to enter the The hot standby1 function of IBM supporting a wide range of application user ID and password as the means Communications Server helps improve programming interfaces (APIs) for the of authenticating the user. One advan- network availability by triggering a program developer. These APIs offer tage of using this function is that it backup server if your critical server convenient ways for the programmer reduces the time spent by an admin- ever fails. And, IBM Communications to access IBM Communications istrator maintaining host user IDs and Server supports load balancing for Server functions. passwords. It can also reduces the TN3270E- and TN5250-connected number of user IDs and passwords clients of the same host resource, when For more information that users have to remember. clients also support Service Locator To learn more about IBM Protocol (SLP). Communications Server, visit:

ibm.com/software/network/ commserver

4 IBM Communications Server features and benefits by platform

IBM OS/2 WARP, Windows NT and IBM AIX, Version 6.1 Windows 2000, Version 6.1.1 Version 6.1

SNA support

SNA gateway X X X

APPN® EN and NN function X X X

Branch extender X X X

High-performance routing

Intermediate node routing ANR X X X

HPR connection endpoint RTP X X X

3270 support over APPN X X X

Data compression X X

LU 6.2 synchpoint X X X

SNA session level encryption X X

Multiprotocol support

TN3270E server X X X

TN5250 server X

SSL security X X X

Express logon function X X X

WebSphere Host Publisher X X

Enterprise Extender (HPR/IP) X X X

Sockets over SNA access node X X X

APPC over TCP/IP access node X X X

SNA over TCP/IP access node X X

Sockets over SNA gateway X X X

APPC over TCP/IP gateway X X X

SNA over TCP/IP gateway X X

IPX over SNA gateway X

IPX over TCP/IP gateway X

NetBIOS over SNA gateway X

NetBIOS over TCP/IP gateway X

Split stack for SNA over IP/IPX X

Access features X

5 © Copyright IBM Corporation 2001 Additional IBM Communications Server features and functions at a glance IBM Corporation Supported communication services and protocols Software Group Route 100 • Asynchronous2 Somers, NY 10589 U.S.A. • ATM (LAN emulation) Produced in the United States of America • EIA-422A 08-01 • EIA-232D All Rights Reserved • Ethernet AIX, APPN, the e-business logo, ESCON, IBM, the IBM logo, OS/2 WARP, OS/390, WebSphere • IBM ESCON® channel, including multipath channel support and block multiplexer3 and zSeries are trademarks and registered • FDDI trademarks of International Business Machines • Frame relay Corporation in the United States, other countries or both. • Hayes Autosync2 Tivoli and Tivoli Ready are trademarks of • IBM Token-Ring network Tivoli Systems Inc. in the United States, other • ISDN4 countries or both. • SDLC Intel and Pentium are trademarks of Intel Corporation in the United States, other countries • Smart Modem5 or both. • Twinaxial2 Microsoft, Windows and Windows NT are • V.35 trademarks of Microsoft Corporation in the • X.21 United States, other countries or both. • X.25 Java and all Java-based trademarks and logos are trademarks of Sun Microsystems, Inc. in the • V.25 bis United States, other countries or both.

Supported APIs Other company, product and service names may be trademarks or service marks of others. • LU application interface (LUA) request unit interface (RUI), supporting dependent 1 Supported only by IBM Communications Server LU types 0, 1, 2, 3 for Windows NT and Windows 2000, Version 6.1. • Common Programming Interface for Communications (CPI-C) and advanced 2 Supported by IBM Communications Server for program-to-program communication (APPC) APIs supporting both dependent and Windows NT and Windows 2000, Version 6.1.1 independent LU 6.2 and IBM Communications Server for OS/2 • Host Access Class Library (HACL) WARP, Version 6.1. • CPI-C for Java™ technology 3 Supported by IBM Communications Server 1 • WinSock for Windows NT and Windows 2000, Version • Common Services 6.1.1 and IBM Communications Server for AIX, • Node operator facility (NOF) Version 6.1. • SNA management services 4 Supported by IBM Communications Server for OS/2 WARP, Version 6.1.

5 Supported by IBM Communications Server for AIX, Version 6.1.

For OS\2 WARP and Windows NT