Distributed Applications Engineering

1 - Introduction and Background.- 1. Introduction.- 2. Background and Context.- 2 - The Distributed Application.- 3. The Three-Tier Application Architecture.- 4. The Three-Tier Architecture: An Object-Oriented Perspective Paul Taylor.- 3 - Coupling and Dependency.- 5. Coupling in Distributed Systems.- 6. Software Dependency.- 4 - Distributed Computing and the Enterprise.- 7. The Enterprise and the Distributed Application: Alternative Architectures.- 8. The Federation.- 9. Implementing the Federation.- 10. Experiences in a Financial Institution.- 11. Pulling it all Together.- I Appendix 1: Survey of Products.- Middleware.- SQL-based Middleware.- Pros and Cons of SQL-based Middleware.- Product Sets Using SQL-based Middleware.- RPC-Type Middleware.- DTP Monitors.- Object Brokers.- Message-Oriented Middleware.- Other Products.- Systems Management.- Standards.- Product Examples.- Information Management Services: Databases.- Network Services.- Appendix 2: Queue Organization.- MQSeries queues.- extpub queue - Queue manager: dirsermgr.- rep-to-extpub queue - Queue manager: dirsermgr.- newpub queue - Queue manager: dirsermgr.- newsubs - Queue manager: dirsermgr.- delsubs queue - Queue manager: dirsermgr.- delpub queue - Queue manager: dirsermgr.- rep-to-stopsubs queue - Queue manager: dirsermgr.- reqmod queue - Queue manager: dirsermgr.- rep-to-modpub queue - Queue manager: dirsermgr.- deldom queue - Queue manager: dirsermgr.- rep-to-reqmod queue - Queue manager: dirsermgr.- extpub queue - Queue manager: publisher.- newsubs queue - Queue manager: publisher.- delsubs queue - Queue Manager: publisher.- rep-to-delpub queue - Queue manager: publisher.- reqmod queue - Queue manager: publisher.- publication queue - Queue manager: subscriber.-stopsubs queue - Queue manager: subscriber.- modpub queue - Queue manager: subscriber.- rep-to-deldom queue - Queue manager: publisher or subscriber.- References.