z/VM Version 7 Release 1 RSCS Networking Planning and Configuration IBM SC24-6320-00 Note: Before you use this information and the product it supports, read the information in “Notices” on page 319. This edition applies to version 7, release 1, modification 0 of IBM® z/VM (product number 5741-A09) and to all subsequent releases and modifications until otherwise indicated in new editions. Last updated: 2018-09-12 © Copyright International Business Machines Corporation 1990, 2018. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents List of Figures....................................................................................................... xi List of Tables.......................................................................................................xiii About This Document...........................................................................................xv Intended Audience..................................................................................................................................... xv Syntax, Message, and Response Conventions...........................................................................................xv Where to Find More Information............................................................................................................. xviii Links to Other Documents and Websites...........................................................................................xviii How to Send Your Comments to IBM....................................................................xix Summary of Changes for z/VM RSCS Networking Planning and Configuration........ xx SC24-6320-00, z/VM Version 7 Release 1................................................................................................xx SC24-6227-04, z/VM Version 6 Release 4 (December 2017)..................................................................xx SC24-6227-03, z/VM Version 6 Release 4................................................................................................xx Encryption of TCPNJE Connections......................................................................................................xx Part 1. Introduction............................................................................................... 1 Chapter 1. Introducing RSCS Networking................................................................................................... 3 How RSCS Fits into Your z/VM System.................................................................................................. 3 How RSCS Manages Files..................................................................................................................4 Supported Nodes....................................................................................................................................5 Types of Nodes..................................................................................................................................6 Supported Link Types.............................................................................................................................7 Non-SNA Connections...................................................................................................................... 7 SNA Connections...............................................................................................................................8 TCP/IP Connections........................................................................................................................10 RSCS Configuration File........................................................................................................................11 RSCS Dynamic Authorization............................................................................................................... 12 How RSCS Transfers Files.................................................................................................................... 12 List Processor Links........................................................................................................................ 13 Networking Links............................................................................................................................ 13 Notify Links..................................................................................................................................... 13 Printer Links.................................................................................................................................... 13 UFT Links.........................................................................................................................................14 Workstation Links........................................................................................................................... 14 RSCS Data Interchange Manager.........................................................................................................14 Summary of RSCS Communications....................................................................................................14 Chapter 2. RSCS Environments................................................................................................................. 19 Single-system Environment................................................................................................................. 19 3270 Printers.................................................................................................................................. 19 ASCII Devices................................................................................................................................. 19 Sharing Printers.............................................................................................................................. 19 Sharing 3270 Printers.....................................................................................................................20 Submitting Jobs from Remote Locations....................................................................................... 20 Advantages of RSCS in a Single-System Environment.................................................................. 21 Multisystem Environment.................................................................................................................... 21 Data Exchanges...............................................................................................................................22 Sending Jobs to Other Places for Processing................................................................................ 23 Sending Output to Other Places..................................................................................................... 23 iii Advantages of RSCS in a Multisystem Environment...................................................................... 23 Chapter 3. RSCS Users...............................................................................................................................25 General Users....................................................................................................................................... 25 Users Authorized through RSCS Dynamic Authorization.................................................................... 25 Operators..............................................................................................................................................25 Chapter 4. RSCS Data Interchange Manager............................................................................................ 27 Introduction to RSCS Interchange.......................................................................................................27 How RSCS Interchange Works.............................................................................................................28 How Your Mail Is Sent to SMTP Users............................................................................................29 Looking at z/VM-to-Network (SMTP) Mail......................................................................................29 Looking at SMTP-to-z/VM Mail....................................................................................................... 30 Part 2. Planning and Configuration Guide............................................................. 31 Chapter 5. System Planning for RSCS....................................................................................................... 33 Planning Checklist for System Configuration...................................................................................... 33 VTAM Requirement...............................................................................................................................33 Preparing z/VM for RSCS......................................................................................................................33 RSCS Virtual Machine..................................................................................................................... 33 Identifying RSCS to z/VM................................................................................................................35 RACF Toleration.............................................................................................................................. 35 Joining the GCS Virtual Machine Group........................................................................................