Client/server, 3-tier and n-tier distributed systems and cloud computing open up new opportunities and ways to design systems and develop applications. They form the infrastructure for enterprise-wide core business, database, workflow and web applications. This course examines the process from architecture through to design of distributed enterprise systems and looks at many of the architecture and design choices that need to be made. The use of the three major component technologies in building flexible distributed computing architectures are also studied.
An object-oriented modelling approach is often used to describe business requirements, identify components, their interactions and placement in a multi-tier environment. The course examines an OO model, the infrastructure necessary to support distributed applications and the trade-offs in cost, performance and scalability. Relational Database Management Systems (RDBMSs) still provide the core technology for implementing many distributed enterprise systems.
Throughout the course, architectural choices and considerations for distributed systems are presented and case studies are used.
Design sessions and case studies will be used throughout the course.
At the end of this course you will be able to:
Experienced IT professionals, such as system analysts, technical architects, integrators, application designers and senior developers wishing to gain a broad and pragmatic understanding of the principles and technologies used to building robust distributed enterprise architectures. Those delegates wishing to simply gain an overview of Distributed Systems may be better served by attending our Understanding Corporate Computing course.
You will need a knowledge of client/server concepts and technology. Knowledge of object-oriented technology, OO and ER modelling and a programming language would be an advantage, but are not essential.
Suggested Follow-on Courses:
Enterprise systems; architectures; overview of inetgration technologies
Gartner model of Client/server; Microsoft architectures; CORBA model; J2EE model
Client/server and the Internet; Types of applications; Database engines and the web; CGI and extensions; scripting, ASP.Net; Servlets and JSPs; Struts; Web Frameworks
Issues and solutions; Encryption; Authentication; Certification; Transactional Security; SSL, PCT, SET
Inter Process Communications
Networked IPC; Synchronous/asynchronous IPC; RPC; Messaging and transactional messaging; other IPC methods; RPC middleware
Message Oriented Middleware
Comparison with RPC; Architectures; JMS as provider; Types of payload; Typical uses; Performance criteria
Extensible Markup Language
XML basics; Data exchange; XML grammars, basic XSLT
Types of database; SQL database servers; Limits to procedures and triggers; Distributed data; Database middleware; design considerations
Benefits and issues; Types of replication; Synchronisation; Lag; Refreshing data
Types of transactions; OLTP systems; Rollback and undo; Design considerations; Distributed transactions; Transaction Managers
Cloud computing model, IaaS, PaaS and SaaS
Object Analysis and Design
OO methods; The UML; Use Cases; Scenarios and sequence diagrams; System design; Deployment diagram
Performance, Scaleability and Testing
Measuring performance; Risk reduction; benchmarking; Stepwise and modular testing; early integration testing; Automated tools
Components and the Middle Tier
Definition; Using components; Elements of the Component solution; Middle tier considerations; Application servers; State; Pooling
Common Systems Architecture
OLTP; DSS; Datawarehousing; Data Marts; Message Oriented Middleware; Content Managements Systems; Search Engines
Common Enterprise Solutions
Microsoft Transaction Server; COM ; The .NET Framework; JEE; ERPs; IBM MQSeries; Spring; Hibernate; EJBs
Web Service Protocols
SOAP messages; WSDL structure; Overview of UDDI; Publishing an XML Web Service
Service Oriented Architectures
Goals of an SOA; What are Services; Requirements of an SOA; Typical architectures
Heterogeneous environments; The Web as integrator; Using Web Services; MOM for EAI; Orchestration; Other techniques; Design considerations
Several real-life systems ranging in scale are examined
|Teaching mode:||Classroom - Instructor Led|
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