IBM® Communications Server is a family of scalable, high-performance servers that provide a communications gateway to the internet or company intranet. This comprehensive package of enterprise networking middleware enables connectivity across multiprotocol networks. Designed specifically to exchange information and data electronically, Communications Server is based on industry standards for a wide range of platforms.

  • Optimize application transaction performance across data centers and enterprises.
  • Access data from virtually anywhere using familiar interfaces and protocols.
  • Enhance business flexibility by extending existing host applications to the internet.

Featured middleware solution

z/OS Communications Server

High availability middleware solution for z/OS applications connecting over both SNA and TCP/IP networks.

Middleware solutions for distributed platforms

Communications Server for Data Center Deployment

Secure, scalable and high-performing communications solution for the AIX, Linux, Linux on IBM Z operating systems, and Windows clients.

Communications Server for Windows

Customers and Business Partners can build client/server applications independent of networking protocol or hardware with this Windows solution.

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Deployment features

IBM Communications Server for Data Center Deployment V7.0

Frequently asked questions

z/OS Communications Server FAQs

Product announcement

IBM z/OS Version 2 Release 3 - Engine for digital transformation

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