DECnet-Plus
Planning Guide

Contents (summary)

• Chapter 1 Preplanning: Understanding the Transition Process
• Chapter 2 Planning the Transition
• Chapter 3 Performing Transition Tasks
• Chapter 4 Creating NSAP Addresses
• Chapter 5 DECdns, Local Namespace, and DECdts Concepts
• Chapter 6 Naming Guidelines
• Chapter 7 Basic DECdns Namespace Planning for DECnet-Plus
• Chapter 8 Advanced DECdns Namespace Planning
• Chapter 9 DECdns Namespace Design Example
• Chapter 10 Preparing for DECdts
• Index
• Figures
• Tables

Contents

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  Chapter 1 Preplanning: Understanding the Transition Process
  • 1.1 Transition Defined
    • 1.1.1 Why Make the Transition to DECnet-Plus?
    • 1.1.2 How Long Does Transition Take?
    • 1.1.3 What Is the Transition Environment?
    • 1.1.4 When Do DECnet-Plus Features Become Available?
    • 1.1.5 When Does Transition End?
  • 1.2 Transition Features
  • 1.3 Addressing
    • 1.3.1 Phase IV Addressing and OSI Addressing: A Comparison
    • 1.3.2 Advantages of Using OSI Addresses That Are Also Phase IV Compatible
    • 1.3.3 Advantages of Using Extended Addressing
    • 1.3.4 Advantages of Using Multihoming
    • 1.3.5 Autoconfiguration of Addresses
  • 1.4 Routing
    • 1.4.1 Interdomain Routing
    • 1.4.2 Level 2 Routing Between Phase IV and Phase V Areas
    • 1.4.3 Multivendor Routers
  • 1.5 Name Services and Time Service Considerations
    • 1.5.1 The Local Namespace
    • 1.5.2 The Name Service Search Path
    • 1.5.3 Name Service and Time Service Interdependencies
    • 1.5.4 Mapping Node Names to Addresses
  • 1.6 OpenVMS Cluster Systems (OpenVMS Only)
  • 1.7 DECnet Phase IV Applications
    • 1.7.1 DECnet for OpenVMS Phase IV Applications (OpenVMS Only)
    • 1.7.2 DECnet-ULTRIX Phase IV Applications (Digital UNIX Only)
  • 1.8 Network Management
    • 1.8.1 Managing a Mixture of Phase V and Phase IV Nodes
    • 1.8.2 Network Management Protocols and Constraints
      • 1.8.2.1 Phase IV Protocols in User Applications (OpenVMS Only)
    • 1.8.3 Managing Multivendor OSI-Compliant Systems
  • 1.9 Noncompatibility with Pre-Phase IV Systems
  • 1.10 Products That Do Not Migrate to DECnet Phase V

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  Chapter 2 Planning the Transition
  • 2.1 Step 1: Document the Current Network Configuration
  • 2.2 Step 2: Determine Your Transition Strategy
    • 2.2.1 If the Network Is Not Moving Entirely to the DECnet-Plus Environment
    • 2.2.2 If the Network Is Moving Entirely to the DECnet-Plus Environment
  • 2.3 Step 3: Develop a New Network Configuration
    • 2.3.1 Planning the New Network Configuration
      • 2.3.1.1 Single Extended-Area LANs
      • 2.3.1.2 End-System-Only LAN Configurations
      • 2.3.1.3 Multicircuit End-System Configurations
    • 2.3.2 Including Multivendor Systems in the Network
    • 2.3.3 Using the Inactive Network Layer Protocol
    • 2.3.4 Planning Addressing
      • 2.3.4.1 Do You Need a Unique IDP for Your Network?
      • 2.3.4.2 Do You Need Extended OSI Addresses?
      • 2.3.4.3 Considerations for a Network with DECnet Phase V Areas
    • 2.3.5 Planning Routing
  • 2.4 Step 4: Plan for Your Name Services and the DECdts Time Service
    • 2.4.1 Choosing DECdns and DECdts Servers
    • 2.4.2 Creating Multiple Namespaces
    • 2.4.3 Preparing a DNS Version 1 Namespace for Use By DECnet-Plus
  • 2.5 Step 5: Choose the First End System to Migrate

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  Chapter 3 Performing Transition Tasks
  • 3.1 Tools: Network Management, Node-Name Management, and Transition
  • 3.2 Immediate Tasks
    • 3.2.1 IDP Planning
    • 3.2.2 Using a Local Namespace: Migrating the Network
    • 3.2.3 Using a Distributed Namespace: Migrating the First End Node
      • 3.2.3.1 If the Network Does Not Have a Namespace
      • 3.2.3.2 If the Network Has a DNS Version 1 Namespace
    • 3.2.4 Using a Distributed Namespace: Migrating Subsequent End Nodes
      • 3.2.4.1 Registering a New System
      • 3.2.4.2 Registering a System You Migrated from Phase IV to DECnet-Plus
      • 3.2.4.3 Registering a System You Changed from DECnet-Plus to Phase IV
    • 3.2.5 Migrating OpenVMS Cluster Nodes (OpenVMS Only)
    • 3.2.6 Migrating Local Area Networks
    • 3.2.7 Configuring a DECnet-Plus End System in a Multivendor OSI Network
  • 3.3 Additional Tasks
    • 3.3.1 Converting the Phase IV Object Database with the OBJTONCL Utility (Digital UNIX Only)
    • 3.3.2 Converting the Phase IV Proxy File (Digital UNIX Only)
    • 3.3.3 Converting the MOP Database (Digital UNIX Only)
    • 3.3.4 Becoming Familiar with NCL Commands, Network Management Modules, and Network Management Tasks
  • 3.4 Optional Tasks
    • 3.4.1 Adjusting Buffer Sizes During Transition
    • 3.4.2 Changing the Network's IDP and preDSP

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  Chapter 4 Creating NSAP Addresses
  • 4.1 IDP Values
  • 4.2 DSP Values
  • 4.3 NSAP Entry and Display Formats
  • 4.4 Converting Phase IV Addresses to NSAPs
  • 4.5 Converting NSAPs to Phase IV Addresses
  • 4.6 Forms of the NSAP Displayed by NCL
  • 4.7 How to Obtain a Unique IDP and PreDSP
    • 4.7.1 For a Private Network (AFI 49)
    • 4.7.2 Allocation Authority for Single-Country Organizations (AFI 39)
    • 4.7.3 Allocation Authority for International Organizations (AFI 47)
    • 4.7.4 Using an X.25 Data Network Address for the IDI (AFIs 37 and 53)
    • 4.7.5 Using a Telex Number for the IDI (AFIs 41 and 55)
    • 4.7.6 Using a Telephone Number for the IDI (AFIs 43 and 57)
    • 4.7.7 Using an ISDN Number for the IDI (AFIs 45 and 59)
  • 4.8 Example: NSAP Fields
  • 4.9 Example: Using Values Allocated by ANSI

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  Chapter 5 DECdns, Local Namespace, and DECdts Concepts
  • 5.1 How DECnet-Plus Uses the Local Namespace and DECdns
  • 5.2 The Name Service Search Path
  • 5.3 How DECdns Works
  • 5.4 Contents of a DECdns Namespace
    • 5.4.1 Replicas and Their Contents
      • 5.4.1.1 Object Entries
      • 5.4.1.2 Soft Links
      • 5.4.1.3 Child Pointers
    • 5.4.2 Putting It All Together
  • 5.5 How DECnet-Plus Uses the DECdns Namespace
    • 5.5.1 Node Object Entries
    • 5.5.2 Backtranslation Soft Links
    • 5.5.3 Node Synonyms
  • 5.6 How DECdns Protects Names
    • 5.6.1 Access Rights
    • 5.6.2 Access Control Groups
  • 5.7 DECdns Management
  • 5.8 How DECnet-Plus Uses DECdts
  • 5.9 DECdts Advantages
    • 5.9.1 Applications Support
    • 5.9.2 Automatic Time Zone Changes
    • 5.9.3 External Time-Provider Support
    • 5.9.4 Quantitative Inaccuracy Measurement
  • 5.10 How DECdts Works
    • 5.10.1 Clerks
    • 5.10.2 Servers
      • 5.10.2.1 Local Servers
      • 5.10.2.2 Global Servers
      • 5.10.2.3 Couriers
  • 5.11 DECdts Management

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  Chapter 6 Naming Guidelines
  • 6.1 General Naming Guidelines
  • 6.2 Guidelines for Naming Clearinghouses
  • 6.3 Guidelines for Naming Namespaces

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  Chapter 7 Basic DECdns Namespace Planning for DECnet-Plus
  • 7.1 Step 1: Should You Have Multiple DECdns Namespaces?
  • 7.2 Step 2: Plan a Naming Policy
  • 7.3 Step 3: Should You Create a Directory Hierarchy?
  • 7.4 Step 4: Plan an Access Control Policy
  • 7.5 Step 5: Plan the Replication of Directories
  • 7.6 Step 6: Select DECdns Servers
    • 7.6.1 Server Placement Guidelines for LANs and Extended LANs
    • 7.6.2 Server Placement Guidelines for Sites Connected by a WAN

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  Chapter 8 Advanced DECdns Namespace Planning
  • 8.1 Planning a Directory Hierarchy
    • 8.1.1 Consider Geographic and Functional Directory Names
    • 8.1.2 Plan Access Along with Directory Structure
    • 8.1.3 Other Directory Planning Tips
  • 8.2 Replicating Directories in a Large Network
    • 8.2.1 Replicating the DECnet-Plus Directories
    • 8.2.2 How Clearinghouse Names Affect Replication
  • 8.3 DECdns Server Capacity Planning

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  Chapter 9 DECdns Namespace Design Example
  • 9.1 Part 1: Planning and Configuring the Namespace
    • 9.1.1 Designing the Directory Structure
    • 9.1.2 Planning Access Control
    • 9.1.3 Assessing Directory Contents
    • 9.1.4 Choosing Servers and Planning Replication
  • 9.2 Part 2: The Namespace Grows

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  Chapter 10 Preparing for DECdts
  • 10.1 Planning a DECdts Implementation
  • 10.2 Configuration Planning on a LAN
  • 10.3 Configuration Planning on an Extended LAN
    • 10.3.1 Extended LANs Using High-Performance Bridges
    • 10.3.2 Extended LANs Using Medium-Speed Bridges
  • 10.4 Configuration Planning on WANs and WAN Links
    • 10.4.1 LANs with WAN Links to Remote Sites
    • 10.4.2 LANs Connected by WAN Links
    • 10.4.3 WAN Networks
  • 10.5 Planning for External Time-Providers
  • 10.6 DECdts Planning Worksheet

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  Index

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  Figures
  • 1-1 Examples of Phase IV and DECnet Phase V Addresses
  • 2-1 Autoconfigured End System NSAP
  • 2-2 Assigned Phase IV Address NSAP
  • 2-3 Multicircuit End System with Circuits to Two Ethernet LANs
  • 2-4 Multicircuit End System with Two DDCMP Circuits
  • 2-5 Area Address Portion of the NSAP Address
  • 2-6 Source NSAP
  • 3-1 Two-Area Phase IV LAN to Be Migrated to DECnet-Plus
  • 3-2 Phase IV LAN with Some DECnet-Plus Systems
  • 3-3 LAN with Link State at Levels 1 and 2
  • 3-4 LAN with Multihomed Systems
  • 3-5 LAN with One DECnet Phase V Area
  • 4-1 Parts of an NSAP
  • 4-2 Example NSAP
  • 4-3 Example NET
  • 4-4 Example Area Address
  • 4-5 NSAP Fields: DNA Format Examples
  • 4-6 NSAP Fields: OSI Format Examples
  • 5-1 Sample DECdns LAN Configuration
  • 5-2 Simple Lookup
  • 5-3 Example Namespace Directory Hierarchy
  • 5-4 Components of a DECdns Server Node
  • 6-1 Full Name Example
  • 9-1 The IAF Network
  • 9-2 IAF Namespace Hierarchy
  • 9-3 Complete IAF Namespace Hierarchy
  • 9-4 Replication Plan for New York Servers
  • 9-5 Expanded IAF Network
  • 9-6 New Servers and Their Contents
  • 9-7 New York Server Contents a Year Later
  • 10-1 DECdts LAN Configuration
  • 10-2 DECdts Configuration --- Unified Extended LAN
  • 10-3 DECdts Configuration --- LAN with WAN Links
  • 10-4 DECdts Configuration --- WAN Networks

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  Tables
  • 1-1 Comparison of Phase IV and OSI Addresses
  • 2-1 Checklist of Transition Planning Activities
  • 3-1 Registering a New System
  • 3-2 Registering a System You Migrate from Phase IV to DECnet-Plus
  • 3-3 OBJTONCL Switches
  • 3-4 Management Tasks and Related Network Management Modules
  • 4-1 Information for Building Unique NSAPs
  • 4-2 Entering NSAP Field Values
  • 8-1 DECdns Memory Requirements
  • 9-1 IAF Corporation DECdns Server Plan

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   2-DEC-1996 12:32:20.55

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