CS454 Study Guide - Final Guide: Mobile Computing, Two-Phase Locking, Adapter Pattern

• School: University of Waterloo
• Department: Computer Science
• Course: CS454
• Professor: Jochen Konemann

Document Summary

platform os, network hardware: challenges. failure handling: partial failures, failure detection, failure masking, failure tolerance, recovery replication. middleware: adapter pattern, message passing, rpc, rmi. platform os, network hardware: hardware. client-server: multiple-client/single-server, advantages (7) 1-10, request/reply, main server loop. reply: problems (3) 1-16, multiple-client/multiple-server, horizontal/vertical scaling, mobile clients, easy connection, easy integration, discovery service registration, look-up, thin clients. multi tier system: web-proxy, two tiered, three tiered. oma (corba: components, object request broker, object service, common facilities, application objects, features (8) 1-32, orb functions (7) 1-34. quality of service: functional, non-functional, performance, reliability, availability. dependability: reliability, redundancy masking (hardware, software, fault tolerance. Internet protocol stack: application, transport, network, data link, physical. transport services: data loss, bandwidth, timing. packet switching: resource contention, store and forward, excessive congestion, delays, nodal processing, queuing, transmission delay, propagation delay. ability to talk meaningfully - interfaces: rpc.