Chapter 1 - Introduction

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Oswin Craig
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1 Chapter 1 - Intrductin Distributed System Service Server Client Synchrnus System r Asynchrnus System Failure mdel Omissin failure Byzantine failure Timing failure Security Mdel Transparency Lgical Architecture Layered Architecture Interacting bjects Event-based interactin (aka. Publish-Subscribe) Data-centric Architecture Client-Server Architecture P2P Architecture Remte Invcatin Distributed system taxnmy High-Perfrmance Cmputing (HPC) Transactinal systems (user frnt-end, business lgic, database) Data cllectin systems Distributed systems in Java Client tier Webclient Applicatin client Web tier Servlet Web cntainer Java Server Pages (JSP) Java Server Faces (JSF) Struts Framewrk Business tier Enterprise Java Beans (EJBs) EJB Cntainer Sessin Beans Message Beans Entity Distributed systems in.net

2 Chapter 2 - Middleware Distributed Objects Remte bject reference Interface Definitin Language (IDL) Cncepts fr cmmunicatin between remte bjects Invcatin semantics RMI Architecture Request-Reply prtcl Marshalling Remte Prcedure Calls (RPC) Java RMI CORBA RMI (Cmmn Object Request Brker Architecture) CORBA cnsists f five majr parts: Interface Definitin Language (IDL) CORBA architecture General Inter-Orb Prtcl Object Reference definitin Extra CORBA services fr the applicatin develpers Tw chices fr implementing the servant class Basic Object Adapter (BOA) Prtable Object Adapter (POA) Middleware services Naming Service (aka. Binding Service) JAVA RMI Registry JDNI CORBA naming service CORBA trading service Event and Ntificatin Service (the Publish-Subscribe paradigm) CORBA Event Service CORBA Ntificatin Service Transactin Service Persistence Service Activatin Service JAVA RMI Activatable Server Objects CORBA Implementatin Repsitry Lad balancing Service Dynamic Invcatin Service Java Reflectin CORBA Interface Repsitry Security Service Sessin Tracking Service

3 Chapter 3 - Enterprise Applicatins Enterprise Applicatins Java Enterprise Editin (JavaEE) Presentatin Layer Unifrm Resurce Lcatr: addressing resurces Servlets Servlet cllabratin Sessin management Java Server Pages, Java Server Faces & Apache Struts Asynchrnus Javascript and XML (AJAX) Deplyment Anntatins JEE Persistence Service Object Relatinal Mapping in <name> Business Layer Stateless Sessin Bean Stateful Sessin Bean JEE Design patterns Design patterns used fr the rganizatin f the EJB s. Sessin Façade pattern Prxy pattern Cmmand pattern Transactin J2EE has tw transactin types: Cntainer-managed Transactins (CMT) Bean-managed Transactins (BMT) Java Transactin API (JTA) Java Transactin Service (JTS) Transactin Attributes cncerning cntexts (thrugh anntatin/deplyment descriptr) Supprts NtSupprted Required RequiresNew Mandatry Never Exceptins during Transactins Principal Security Attributes Credentials Declarative Security Prgrammatic Security Sil Applicatins

4 Service Oriented Architecture (SOA) Web Service Technlgy (WS-*) Web Service RMI Architecture using SOAP using REST SOAP messages Web Services Descriptin Language (WSDL) WSDL 1.1 Dcument Structure WSDL 1.1 interactins Request-respnse Slicit-respnse ne-way (asynchrnus) Ntificatin WSDL1.1 Styles RPC/encded RPC/literal Dcument/literal unwrapped Dcument/literal wrapped Universal Descriptin, Discvery and Integratin (UDDI) WS-Discvery WS-Addressing WSDL 2.0 Java Web Services JAX-RPC r JAX-WS POJO r EJB3 Stateless Sessin Bean Web @WebResult Web Service Orchestratin Web Service Chregraphy enhanced Telecm Operatins Map (etom) Infrmatin Technlgy Infrastructure Library (ITIL)

5 Chapter 4 - Scalability f Distributed Systems Respnse Time Thrughput Littles Therem Pissn Prcess M/M/1 Queueing System M/M/m Queuing system Vertical Scaling Hrizntal Scaling High Availability CAP Therem Cluster Management System

6 Chapter 5 - Glbal State and Time Clck Reslutin Sftware Clck Drift Rate ρ Clck Skew Crrect Clck Internatinal Atmic Time (IAT) Crdinated Universal Time (UTC) Internal - External synchrnizatin Client-server clck synchrnizatin algrithms Synchrnus system Asynchrnus system - Cristian s algrithm Peering clck synchrnizatin algrithms Netwrk Time Prtcl (NTP) Berkeley Algrithm Lcal happened-befre relatin Glbal happened-befre relatin Lamprt Clck Vectr Clck

7 Chapter 6 - Crdinatin Failure Detectin Distributed Mutual Exclusin Centralized Mutual Exclusin Tken Ring Algrithm Ricart-Agrawala (multicast-based) Maekawa vting (multicast-based) Electin Chang-Rberts: Ring algrithm Garcia-Mlina: Multicast-based (aka. Bully Algrithm) Ordered Multicast FIFO-rdering Causal rdering Ttal rdering

8 Chapter 7 - Peer-t-peer Systems Churn First Generatin P2P systems Secnd Generatin P2P systems Third Generatin P2P systems Overlay Distributed Hash Table (DHT) Distributed Object Lcatin and Ruting (DOLR) API Btstrapping Circular Ruting (1D) Prefix Ruting - Pastry Skiplist ruting - Chrd Multi-dimensinal ruting - CAN (Cntent Addressable Netwrk)

9 Chapter 8 - High Perfrmance Cmputing Flynn s taxnmy Memry Mdels Data Parallel mdel (Distributed) Shared Memry mdel Message Passing mdel Cluster mdel Grid Cmpnents Resurces Hardware resurce Strage resurce Data resurce Netwrk Services Grid Prtal Infrmatin service Jb/Resurce manager Grid Site Grid system Grid Middleware Message Passing Interface (MPI) Cllective Cmmunicatin Primitives Synchrnizatin between prcesses: barrier One-t-all cmmunicatin: bradcast, scatter all-t-ne cmmunicatin: reduce, gather all-t-all cmmunicatin: allgather, alltall, allreaduce, reduce-scatter and scan Autmatic Wrk Distributin Speedup Parallel efficiency Amdahl s Law

10 Chapter 9 - Autnmic Systems Operatinal Expenditure (OPEX) Capital Expenditure (CAPEX) Autnmic (+self-chp) MAPE Cntrl Lp (Mnitr - Analysis - Plan - Execute) OODA Cntrl Lp (Observe - Orient - Decide - Act) FOCALE (Fundatin - Observatin - Cmparisn - Actin - Learning Envirnment) Autnmic Hierarchy Ontlgy Data Integratin Structural hetergeneity Syntax hetergeneity Implementatin hetergeneity Semantic hetergeneity Semantic cnflicts within the data: Cnfunding cnflicts Scaling cnflicts Naming cnflicts Synnyms Hmnyms Classificatin Web Ontlgy Language (OWL) OWL Lite OWL Descriptin Lgics OWL Full OWL 2 UML vs OWL Semantic Web Rule Language (SWRL) Resurce Descriptin Framewrk (RDF) SPARQL Prtcl and RDF Query Language (SPARQL) Using ntlgies Building an ntlgy T-Bx A-Bx Descriptin lgics inference Rule Engines Cmpnent Interactins Distributed Interactins High Flexibility Lcatin Transparency Sender/Receiver Transparency Current Research Tpics

11 Chapter 10 - Clud Cmputing Clud Cmputing Clud Cmputing accrding t NIST (Natinal Institute f Standards and Technlgy) Five essential characteristics Three majr service mdels Fur deplyment mdels Fur payment mdels Obstacles fr adaptatin Amazn Web Services (AWS) Micrsft Windws Azure Ggle App Engine VM Migratin

Developing Java Web Services. Duration: 5 days

Developing Java Web Services. Duration: 5 days QWERTYUIOP{ Develping Java Web Services Duratin: 5 days The Develping Java Web Services training class prepares Java prgrammers t develp interperable Java Web services and using SOAP, WSDL, and XML Schema.