Contents

1. About HP DCE/9000 Version 1.7

HP DCE/9000 Core Services Software . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 OSF DCE Components Included in This Release. . . . . . . . . . . . . . . . 1-2 HP DCE/9000 Features Added by Hewlett-Packard . . . . . . . . . . . . . 1-3 Features Added at Previous Releases of HP DCE. . . . . . . . . . . . . . 1-3 Features Added at HP DCE 1.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Features Removed at HP DCE 1.6 and 1.7 . . . . . . . . . . . . . . . . . . . 1-6 Version Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Cell Configuration and Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Common Desktop Environment (CDE) and Online Help. . . . . . . . . . 1-7 DES and DES-Hidden Versions of this Release . . . . . . . . . . . . . . . . . 1-7

Limitations of This Release. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Limitations of OSF DCE 1.2.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 HP DCE 1.6 and 1.7 Limitations on OSF DCE 1.2.1

Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 System Utilities Not Integrated with DCE Security . . . . . . . . . . . . . 1-9

Interoperability and Compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 Binary Compatibility with Previous HP DCE Releases. . . . . . . . . . 1-10 Source Code Compatibility with Previous HP DCE Releases . . . . . 1-11 Interoperability with Other Implementations of OSF DCE . . . . . . 1-11 Interoperability of the DES and DES-Hidden Versions . . . . . . . . . . 1-12 Kerberos Authentication Protocol Compatibility . . . . . . . . . . . . . . . 1-13 DCE Support for Kerberos Applications and Configuration

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13 Remote Services File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14 Support for Secure Internet Services . . . . . . . . . . . . . . . . . . . . . . . . 1-14

DCE GSS-API Interoperability with MIT and Third-Party

Kerberos Implementations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

Notes, Cautions and Warnings Regarding This Release . . . . . . . . . . . 1-16

dcecp host Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16

Security and Remote Login Utilities . . . . . . . . . . . . . . . . . . . . . . . . . 1-16

iii

Page 3
Image 3
HP UX DCE Software manual Contents

UX DCE Software specifications

HP UX DCE Software, or Hewlett-Packard UNIX Distributed Computing Environment, represents a significant tool in the realm of distributed system architecture. Designed primarily for enterprise environments, HP UX DCE enhances the reliability, scalability, and manageability of applications over diverse networked systems.

One of the main features of HP UX DCE is its ability to integrate various computing platforms, enabling seamless communication and resource sharing across distributed nodes. This facilitates the creation of complex applications that can operate on a multitude of systems, thus enhancing operational flexibility. DCE employs standardized interfaces, which means applications written for one platform can run on any other platform that supports DCE, promoting cross-platform compatibility.

In terms of technologies, HP UX DCE utilizes Remote Procedure Calls (RPC) as a core feature. This mechanism allows different applications to communicate and invoke procedures on remote systems as if they were local calls. Additionally, DCE includes a robust security model that incorporates Kerberos for authentication, ensuring that communication between nodes remains secure and protected against unauthorized access.

Another significant characteristic of HP UX DCE is its distributed file system, which allows for transparent file access across different machines. The DCE File System (DFS) provides a unified namespace and manages data replication and consistency across distributed storage resources. This reduces the complexity of data management and enhances data availability.

HP UX DCE also supports a variety of programming languages, making it accessible for developers accustomed to different coding environments. This versatility encourages widespread adoption and innovation, as developers can leverage existing skills to create distributed applications.

Furthermore, HP UX DCE is built for high availability, ensuring that critical applications remain responsive even in the face of hardware or network failures. Its inherent component redundancy and fault-tolerant architecture are designed to minimize downtime, which is essential for mission-critical applications in enterprise scenarios.

In conclusion, HP UX DCE Software provides a comprehensive framework for developing, deploying, and managing distributed applications. Its core features such as RPC support, a secure authentication mechanism, a robust file system, and cross-platform compatibility make it a vital resource for organizations aiming to leverage distributed computing effectively. As enterprises evolve, HP UX DCE stands out as an influential solution in the dynamic landscape of distributed environments.