> For the complete documentation index, see [llms.txt](https://docs.editran.onesait.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.editran.onesait.com/documentacion-editran/ibm-editran-v5.3-cics-en/installation/introduction.md).

# Introduction

This document details the specific elements of editran in its zOS/CICS version, which must be defined in zOS and CICS.

It should be noted that for some parameters reference values are given, and it is the responsibility of each user installation to specify the most suitable values according to different criteria (specific products, volume of concurrent transactions, CICS version, buffer length, buffer pool sizes, etc.).

As an example, the INDRA versions of the different products used for the development of editran are indicated below:

The host version of editran V5.3 has been developed in the following environment: 

<table data-header-hidden><thead><tr><th valign="top"></th><th valign="top"></th></tr></thead><tbody><tr><td valign="top">Product</td><td valign="top">Version</td></tr><tr><td valign="top">zOS</td><td valign="top">2.4</td></tr><tr><td valign="top">CICS</td><td valign="top">TS 5.3</td></tr><tr><td valign="top">JAVA</td><td valign="top">1.8.0_64</td></tr></tbody></table>

It is known that the host version of editran V5.3 works correctly in the following environments, which are higher than the ones developed:&#x20;

| Product | Version    |
| ------- | ---------- |
| zOS     | 3.1        |
| CICS    | TS 6.2     |
| JAVA    | 1.8.0\_101 |

Editran has a modular architecture, to which licenses for different modules can be added. Their features and use are:&#x20;

| Functionality                      | Local License (product)               | Requirements and/or other local licenses                                      | License at the remote entity |
| ---------------------------------- | ------------------------------------- | ----------------------------------------------------------------------------- | ---------------------------- |
| TCP/IP connections                 | editran/TCP                           |                                                                               | editran/TCP                  |
| TCP/IP connections                 | <p>editran/Proxy</p><p> </p>          | <p>- editran/TCP</p><p>- Windows or Linux or UNIX server + Proxy software</p> | editran/TCP                  |
| Statistics, alarms and monitoring. | editran/EA                            |                                                                               |                              |
| Data compression.                  | editran/LZW                           |                                                                               | editran/LZW                  |
| DES cryptography                   | <p>editran/SC DES</p><p>(DES API)</p> | IBM ICSF                                                                      | editran/SC DES               |
| RSA cryptography                   | <p>editran/SC RSA</p><p>(RSA API)</p> | IBM ICSF                                                                      | editran/SC RSA               |
| AES cryptography                   | <p>editran/SC AES</p><p>(AES API)</p> | IBM ICSF                                                                      | editran/SC AES               |
| Electronic file signature          | editran/FF                            |                                                                               | editran/FF                   |
| Exchange key management            |                                       | editran/SC RSA                                                                | editran/SC RSA               |


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