RFC 3049 (rfc3049) - Page 1 of 21

TN3270E Service Location and Session Balancing

Network Working Group                                          J. Naugle
Request for Comments: 3049                             K. Kasthurirangan
Category: Standards Track                                            IBM
                                                              G. Ledford
                                                      Zephyr Development
                                                            January 2001


             TN3270E Service Location and Session Balancing

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2001).  All Rights Reserved.

Abstract

   This document discusses the implementation of Service Location
   Protocol (SLP) and session balancing with a TN3270E emulator in a
   client server implementation with a TN3270E server.

   Application program developer's can locate TN3270E services and load
   balance among those services (3270 host sessions), by using this SLP
   support.

Table of Contents

   1. Introduction and Terminology .................................  2
      1.1 Terminology ..............................................  2
   2. An Overview of RFC 2165 ......................................  3
      2.1 SLP Agents ...............................................  3
      2.2 Service Agents ...........................................  3
      2.3 User Agents ..............................................  4
   3. TN3270E Server Environment and Load ..........................  4
      3.1 TnN3270E Server Load .....................................  4
   4. TN3270E Client Configuration .................................  6
      4.1 SLP Scope ................................................  6
      4.2 DA-Discovery Time-Out ....................................  6
      4.3 SA-Discovery Time-Out ....................................  7
   5. TN3270E Client Implementation Information ....................  7
      5.1 Overview .................................................  7



Naugle, et al.              Standards Track