Compaq Reliable Transaction Router manual Preface, Purpose of this Document, Document Structure

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Preface

Purpose of this Document

The goal of this document is to assist an experienced system manager, system administrator, or application programmer to understand the Reliable Transaction Router (RTR) product.

Document Structure

This document contains the following chapters:

Chapter 1, Introduction to RTR, provides information on RTR technology, basic RTR concepts, and RTR terminology.

Chapter 2, Architectural Concepts, introduces the RTR three-layer model and explains ths use of RTR functions and programming capabilities.

Chapter 3, Reliability Features, highlights RTR server types and failover and recovery scenarios.

Chapter 4, RTR Interfaces, introduces the management and programming interfaces of RTR.

Chapter 5, The RTR Environment, describes the RTR system management and runtime environments, and provides explicit pointers to further reading in the RTR documentation set.

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Contents Reliable Transaction Router Getting Started Page Contents Reliability Features Figures Page Purpose of this Document PrefaceDocument Structure For all users Related DocumentationReaders Comments Reading PathIf V2 to System Manager Application Programmer= Tutorial Reliable Transaction Router IntroductionRTR Continuous Computing Concepts RTR Continuous Computing ConceptsRTR Terminology RTR TerminologyClient Symbol Server Symbol Roles Symbols Components in the RTR Environment Nontransactional messaging Transaction ID Controller Application Presentation Database ServerBusiness Logic Odbc Model RTR Frontend PC BrowserJournal Browser11 RTR Deployed on Three Nodes 12 Standby Server Configuration 13 Transactional Shadowing Configuration RTR Server Types RTR Server TypesStandby server Standby in a cluster 15 Standby Servers 16 Shadow Servers Server1 Server2 Server3 Server4 17 Concurrent ServersPartition a Transaction19 Bank Partitioning Example Standby Server Configurations Anonymous clients Tunnel RTR Networking Capabilities RTR Networking CapabilitiesPage Three-Layer Model Architectural ConceptsThree Layer Model Three-Layer ModelRTR Facilities Bridge the Gap RTR Facilities Bridge the GapBroadcasts Flexibility and GrowthFlexibility and Growth Transaction IntegrityObject-Oriented Programming Partitioned Data ModelPartitioned Data Model Partitioned Data Model Object-Oriented ProgrammingFunctional and Object-Oriented Programming Compared ObjectsExample 2-1 Objects-Defined Sample Messages Class RelationshipsPolymorphism Object Implementation Benefits XA Support XA SupportServers Reliability FeaturesRecovery Scenarios Failover and RecoveryFailover and Recovery Recovery Scenarios Backend Recovery Router Recovery Frontend RecoveryPage RTR Interfaces RTR Management Station RTR Management Station RTR Create Facility DESIGN/ALLROLES=NODEA RTR RTRRECEIVEMESSAGE/TIME=0 RTR RTRSTARTTX/CHAN=C Interface Application Programming InterfacesRTR Browser Interface Application Programming InterfacesRTR C Example of an open channel call in an RTR client program RTR System Management Environment RTR EnvironmentRtrcomserv RTR System Management EnvironmentManagement Station Running Browser Software RTR System Management EnvironmentMonitoring RTR RTR Runtime Environment Client Application RTR Runtime EnvironmentOptional External Applet Not Running Whats Next? Whats Next?Page Glossary Channel BranchBroadcast Callout serverData object Common classesConcurrent server Data marshallingEvent driven Fault tolerantEndian EventKey range FrontendInquorate JournalMultithreaded MessageMessage handler MultichannelProperty classes PrimaryProcess PropertiesRTR environment RollbackRouter RTR configurationTransaction controller ShadowStandby TransactionTransactional message Two-phase commitTransactional shadowing Index-1 IndexIndex-2