2010 Future Distributed Computing Architectures and SOA

Future Distributed
Computing Architectures
and the Role of SOA
Robert Marcus
robert.marcus@sri.com

My SOA-related Background
Introduced SOAP and XML into General Motors
Organized Software Services Grid Workshop including
W3C, OMG, OASIS, and OGF groups
Developed a SOA strategy for Rogue Wave Software
Proposed Service-Based Architecture for Hong Kong
Wrote book on the “Great Global Grid” including SOA
Director of Colorado Grid Computing Initiative
Organized SOA workshops for US government audience
Emerging Standards for SOA
SOA Deployment: Industry Best Practices
Cloud Computing for Net-Centric Operations

Theme of SOA Extensions Talk
There is a movement underway from
classic “SOA” to a new generation of
Service Based Architectures including
Web 2.0, Event Driven Architectures,
Mobile Clients, Embedded Systems
Information Grids, and Cloud Computing

Overview of the Talk
SOA Evolution
Service Oriented Levels
Web 2.0 – WOA, Ajax and Mashups
Everything as a Service (Cloud)
Event Driven Architectures and Processing
Pervasive Computing
Social Networking
Mobile Device Services
Data Middleware
Semantic SOA
Information Grid
Great Global Grid

Service Oriented Architecture
(SOA) Evolution

Pre-SOA Enterprise
Heavily siloed; built with familiar models:
Database-centric; Client-server/n-tier; Messaging/pub-sub
DB
Client
App Server
Client Client Client
BUS
App Server
ClientClient Client Client
App ServerApp Server
DBDB
Client
DBDB
App Server
App ServerApp Server
Mainframe
App Server
From Hugh Grant of Credit-Suisse

Transition to Service Oriented Vision
7
From David Chou
of Microsoft

Many Web Services Standards
From Chinese International Standards Open Lab

Current Enterprise SOA
Web services used within individual silos
In reality, many interfaces are not SOAP-based
Java
Client
Web
Client
Web
Client
Client
BUS
Java
Client
Java
Client
.NET
Client
.NET
Client
.NET
Client
Java
Client
J2EE
Server
.NET
Client
.NET
Server
.NET
Server
SOAP SOAP
SOAP
CLASSIC CLIENT-SERVER
DB
J2EE
Server
App
Server
.NET
Server
J2EE
Server
DBDB DBDB
.NET
Server
App Server
.NET
Server
Mainframe
CORBA
Server
.NET
Server
J2EE
Server
CORBA
Server
SOAP
SOAP
WRAPPER
SOAP AS INTEGRATION GLUE
Web
Client
Web
Client
App
Server
SOAP SOAP
SOAP AS WEB GLUE

Enterprise Service Bus (ESB)
ESBs are the foundation of most robust SOA deployments
ESBs can support routing, multiple transports, data conversions,
reliability, and event response
The next generation of ESBs must extend interoperability across
organizational boundaries (e.g. other ESBs, B2B, Clouds)
10
From Fiorano

A Service provides functionality that is accessible through predefined interfaces and protocols

Definitions of SOA
SOA has many definitions which has caused confusion
“SOA also describes IT infrastructure which allows different
applications to exchange data and provide and consume
services with one another as they participate in business
processes” (Development)
“SOA is a methodology for systems development and
integration where functionality is grouped around business
processes and packaged as interoperable services.” (Analysis
and Design)
Software as a service is a model of software deployment
where an application is hosted as a service provided to
customers across the Internet. (Deployment)
All of the above definitions are from Wikipedia

Service Oriented Definitions
Service Oriented Middleware – Supports
connection, interaction, and composition of
distributed services
Service Oriented Architecture – Functionality
designed, developed, and deployed to be used
in a pre-defined shared services architecture
Service Oriented Clouds – Infrastructure
including software, computers, and storage
dynamical allocated as scalable services
13

Service Oriented Middleware (SOM)
Integration and Interfaces (e.g. Web Services)
Designed by Technical Architects
Services are end-points supporting access to capabilities
Service Oriented Architecture (SOA)
Modeling, Structuring, and Governance
Defined by Enterprise System Architects driven by Business Analysis
Services are functional components supporting business processes
Service Oriented Cloud (SOC)
Computing Resources as Virtualized Services
Specified by Enterprise Managers
Services are computing resources supporting flexible operations
All of the above can be used together or independently

Service Oriented Levels Examples
Service Oriented Middleware (SOM)
Web Oriented Architecture (WOA) and REST
SOAP-based, WS-*, Enterprise Service Bus (ESB)
Business Process Execution Language (BPEL)
Service Oriented Architecture (SOA)
Shared Services Enterprise Systems Architecture
Governance, Policy, Management
Business Process Modeling Notation (BPMN)
Service Oriented Cloud Architecture (SOC)
Software as a Service
Platform as a Service
Infrastructure as a Service

Web Services to Cloud Computing
16
From OGF
Middleware (SOM)
Architecture (SOA)
Cloud
(SOC)

Combination of SOM, SOA, and SOC
Service Container
Client Mash-up
AJAX AJAX
Service Service
Workflow / Orchestration Layer
Composite
Service
Composite
Service
Composite
Service
Service Container
Service Service
Service Container
Service Service
Service Container
Service Service
Client Mash-up
AJAX AJAX
Client Mash-up
AJAX AJAX
Client Mash-up
AJAX AJAX
Client Mash-up
AJAX AJAX
Utility Compute Cloud
SOM
SOA
SOC

Gartner Hype Cycle 2008
18
SOM
SOA
SOC

Web 2.0 (WOA, Ajax and Mashups)
Service Oriented Middleware

Web Oriented Architecture (WOA) Terms
REST – Representational State Transfer is an architecture style for distributed
systems based on transferring and manipulating resources
Ajax (Asynchronous Java and XML) – Toolkits for building browser
interfaces using scripting (e.g. Javascript), Web data formats (XML) and
asynchronous access to Web data (XMLHttpRequest)
Mashups – Combining data from multiple sources into an unified
representation for display or manipulation
Rich Interface Applications (RIA) – Robust client side user interface (e.g.
Ajax, mashups) running within an Web browser
WOA – Uses native Web protocols and data types for clients (e.g. RIA),
transport (HTTP) and servers (e.g. Get, Post for REST )
Web 2.0 - Collaborative applications based on Web platforms (e.g. WOA)
20

WOA Foundations
Information in a WOA is represented as
resources on the network
Every resource on the network can located via a
globally unique URI
Resources are manipulated by HTTP verbs
(GET, PUT, POST, DELETE) i.e. Representation
State Tranfer (REST) style
WOA resources contain embedded URIs that
build a larger network
The service contract of WOA resources is implicit
21

WOA vs SOAP-based Middleware
22
WOA SOAP-based
Resource based Service based
Individual URIs for each resource
over HTTP
Single end-point for SOAP server
(multiple transports)
Uses standard HTTP verbs Get,
Put, Post , Delete
Use SOAP content to determine
verb
Web Application Description
Language can be used
Web Services Description
Language
Simpler data formats (e.g. JSON
Javascript Simple Object Notation)
SOAP encodings
Easier to mashup in browser and
easier interface to Ajax
More difficult to mashup in browser
Fewer supporting standards Wide range of supporting
standards
Easier development but not as
robust
More complex development but
more robust

WOA Formats, Links, and Resources
From Dion Hinchcliffe

Applications with REST APIs
Zoho – Suite of applications
Twitter – Microblogging
Facebook – Social network
Amazon – Their REST APIs are much more popular
than their SOAP APIs
eBay - REST and SOAP APIs
Google – Dropped support for their SOAP Search API
in favor of the REST APIs
Salesforce.com - SOAP-based API and REST APIs
Mashery - A new company that manages REST
APIs as a Service
25

Google Chrome
New browser designed to be a front-end for WOA and
could be a future client “operating system”
Tabs and plug-ins all run in independent processes
providing enhance security
Multicore chips will enable increased performance
Fast JavaScript virtual machine including dynamic
code generation will support higher performance Ajax
Task Manager provides visibility of process memory,
CPU and network usage
Elements of Chrome will run on Google’s Android
mobile platform in the future
27

Nexaweb RIA and SOM Architecture
Example: Combining WOA, SOA,
Mashups, Ajax, and Web Push

Nexaweb RIA and SOM Architecture
29

Web 2.0 connecting to Information Cloud
30

Emerging Future for SOA
RESTful Web Services and WOA are becoming
the predominant Service Oriented Middleware
SOAP-based middleware is considered to be
too complex by many developers
Service Oriented Clouds will be an increasing
part of deployments
The need for enterprise Service Oriented
Architectures will increase to maintain control
over WOA and Cloud implementations
31

Everything as a Service (Cloud)
News: IBM opened a Cloud Computer Center in Bangalore on September 24

Service-Oriented Clouds Definition
Infrastructure including software, computers,
and storage dynamical allocated as services
using distributed virtualization for scalability
33

Cloud Computing Services Layers
Application Services (e.g. Software as a Service = SaaS)
Middleware and Data Services (e.g. Database as a Service)
Development and Deployment Services (e.g. Platform as a Service)
Resource Services (e.g. Infrastructure as a Service)
Computing Hardware and Physical Storage
Event, Processes, Interfaces (e.g. Event Processing as a Service)
Distributed Virtualization Services

Service Oriented Cloud Architecture
Cloud-based Services
e.g. databases, queues
Software
as a Service
Platform
as a Service
Infrastructure
as a Service
Internet and
Web 2.0 Clients
Cloud Storage
and Data Sources
Cloud Servers
Cloud Tools
e.g. development, monitoring
configuration
Cloud Middleware Services
e.g. dynamic allocation, security,
workflow
Virtualized Resources Cloud
Service Oriented Systems

Workload Distribution in the Cloud
3610/7/2008

Some Software as a Service Suppliers
Salesforce.com - Customer Relationship
Management
Netsuite – Business applications
Workday – Human Resources
Zoho – Online office
Google App – Collaboration and Messaging
Facebook – Social Network
Cisco’s Webex – Conferencing
SAP BusinessByDesign- ERP for small business
38

Infrastructure as a Service (IaaS)

Sun’s Network.com
Provides hardware (Sun), software (Solaris-based),
and storage resources on a pay-per-use basis
Usage modes
Upload and run applications through a portal or an API
Run applications from a catalog or utilize long-running services

ATT Synaptic Hosting
41From ATT

VMware vCloud
The new VMware Cloud Services have the three levels below
VMware Ready use VMware Infrastructure to deliver flexible enterprise class
cloud, hosting, and managed services.
VMware Ready Optimized use the Cloud vServices API, vApp technology, the
OVF specification, and other VMware technologies to provide enterprise class
virtualization capabilities for on-premise datacenters and in off-premise clouds.
VMware Ready Integrated enable a common approach to integrated
manageability between on-premise and external clouds as part of vCenter,
42

Examples of Cloud Computing Stacks
44From Dion Hinchcliffe

Cloud Services Stacks
Google App Engine
MapReduce
BigTable
Google File System
Sawzall (Query on top of MapReduce)
Protocol Buffers for data description and Remote Procedure Calls
Amazon Web Services
Elastic Computing Cloud (EC2)
Simple Storage System (S3)
Simple Queuing System (SQS)
SimpleDB (Database)
Elastic Block Store (EBS)
Open Source
Yahoo Hadoop (MapReduce), Hbase , HDFS(Google-like), Pig (Query on
top of Hadoop), UCSB Eucalyptus (Amazon-like),
Many vendors building development platforms for Clouds

Industry Cloud Computing Initiatives
Amazon’s Web Services http://aws.amazon.com/
VMware VCloud http://www.vmware.com/go/vcloud
Sun’s Network.com Internet Utility Computing
http://network.com/
AT&T Synaptic Hosting http://blogs.zdnet.com/BTL/?p=9560
IBM’s Blue Cloud for Enterprises
http://www-03.ibm.com/press/us/en/pressrelease/22613.wss
Citrix Cloud Center for Enterprises http://www.citrix.com

Research Cloud Computing Initiatives
IBM, Google and US National Science Foundation
“Cluster Exploratory” (CluE) initiative
http://www.nsf.gov/news/news_summ.jsp?cntn_id=111470
Yahoo, HP, and Intel “Cloud Computing Testbed”
http://www.techcrunch.com/2008/07/29/hp-yahoo-intel-announce-
cloud-computing-research-initiative/
IBM and EU’s “Resources and Services Virtualization
without Barriers” (Reservoir) http://websphere.sys-
con.com/node/495772

August 24, 2008
IBM’s Model for Cloud Computing
Service Request &
Operations
Service
Creation & Deployment
End User
Requests
& Operators
…
Design
& Build
Image Library
(Store)
Deployment
Operational
Lifecycle
of Images
IT Infrastructure & Application
Provider
Virtual Image
Management
Service Catalog
Request UI
Operational UI
Standards Based Interfaces
Virtualized Infrastructure
Service Management
Service Oriented Architecture Information Architecture
Standards Based Interfaces
Service Catalog,
Component
Library
Datacenter
Infrastructure
Cloud Administrator
Access
Services

Internal SOA and External SaaS
5010/7/2008
From Infoworld

Linking Enterprise and Internet Clouds
51
From David Chappell
Firewall

Enterprise Cloud Computing Workshop
8:00 – 9:00 HP
Susanne Balle (Architect, Scalable Computing and Infrastructure Organization)
"Emergence of Cloud Computing“
9:00 -10:00 IBM
David Lindquist (Cloud Computing chief architect and IBM Fellow)
Lauren States (VP of Cloud Computing)
"IBM's Perspective on Cloud Computing“
10:00 – 11:00 Google
Todd Wiseman (Manager, Google's Federal Enterprise Team)
Cloud Computing from Google"
11-00 – 12:00 Amazon
Jeff Barr (Chief Evangelist for Amazon Web Services)
"Amazon Web Services: Cloud Computing in Action“
12:00 – 1:30 Discussion about an Enterprise Cloud Computing group with
industry, government and standards groups members
53

Enterprise Cloud Computing Group
An Enterprise Cloud Computing Group was initiated
September 17 at an NCOIC.org meeting including industry,
government, standards groups, and vendors
The goal of the Group will be to exchange information
about standardizations, critical requirements, best
practices, use cases, success stories, and emerging
technologies
There is a planned follow-on meeting at an Open Group
Conference in San Diego, February 2-5, 2009
54

Platform as a Service Example
Several companies are supplying Platform as a
Services for high performance computing fabrics
e.g..Amazon EC2 and S3From GigaSpaces

Elastra Platform on top of IaaS
Elastra proposed Elastic Computing (ECML) and Deployment
(EDML) Markup Languages as potential standards
ECML
EDML
e.g..Amazon EC2 and S3

Integration as a Service
BT provides an appliance for SOA integration
The software includes Progress ESB and iWay data
connectors
Installed onsite and managed remotely
58From BT

Desktop as a Service (Desktone)
59

NComputing (Shared PC Desktops)
NComputing allows up to 30 users to share a PC
Users have very inexpensive, low power terminals
Many-core PCs will make this approach a big global winner
Macedonia provides a terminal to all students in the country
60From NComputing

EDA and SOA
From http://soa-eda.blogspot.com

Web Distribution Mechanisms
63From Dion Hinchcliffe

Push Technologies
In general, push technologies for events and
messages are a good match for WOA
Syndication Services - There are many protocols (e.g.
RSS, Atom) based on polling for distributing
information on the Web (logical push)
XMPP – Protocol underlying instant messaging that
can be used to carry XML content
Comet and Bayeux – Comet is a term for describing
push updates through HTTP Server Push. Bayeux is a
publish-and-subscribe capability on top of Comet
Publish-and-subscribe messaging – Available through
ESBs and other middleware
64

65
Databases
Intranets /
Extranets
Email
Portals
Enterprise
Search Web Servers
Apps: eg,
ERP, CRM
[ manage information ]
[ transform and deliver ]
[ automate relevancy ]
[ monitor data ]
Blogs &
wikis
Recordchanges
Docrevisions
Orderstatusupdates
Priceupdates
Productchanges
Calendarevents
Salesleads
Content-based routing Alerts / Notifications Transformation
Aggregation Filtering / Matching Security
In-line editors
Collaboration Tools
Email
Comet-based Syndication

Event Sensing and Service Response
HQ OperationsField Operations
Observation and Control Components
In
Event
Input
u
Complex
Event
Processing
In
Response
Outputs
u
Assessment
and
Decision
Preprocess
Simple
Event
Processing
SituationObject
Simple Response
Service Composition of Services
Complex
Response
Sensor and Effects
Management
Measurement
Field Processors
Data Structured Data Information
Service Oriented Architecture
Event Driven Architecture
Response
Event
External
Input
External
Output

from Tim Bass
Complex Event Processing Reference Model

Complex Event Processing will:
Save multiple man-years of development & maintenance
Speed time-to-market
Dramatically increase responsiveness to the business
InputDataStreams
Execution
Continuous Processing, Synchronization, Threading, Security, Clustering, Availability
Output Control
Ordering
Routing
Delivery
Interfaces
Pattern
Matching
Specification
Identification
Non-Events
State
Persistence, Caching, Locking, Database Reads/Writes
Data
Management
Filtering
Indexing
Windows
Merging
Correlation
Aggregation
Stream
Management
Ordering
Routing
Delays
Missing Mgs.
Decomposition
OutputEvents
From Coral8
Complex Event Processing Engine

Event Processing as a Service
Complex event processing (CEP) is a key component for
many application areas (e.g. finance, supply chain,
situation awareness)
Required resources for CEP may fluctuate greatly over
time (e.g. emergency response)
Deploying “Event Processing as a Service” on a Cloud
infrastructure could support dynamic requirements
“Event Processing as Service” needs standardizations:
Identifying event sources to be monitored
Describe event patterns of interest
Specify quality of services for reporting events
Presentation on “Event Processing as a Service” to
Event Processing Technical Society last week

Event Processing Using Multiple Services
Remote Monitoring as a Service
Selection of sensing source and data feeds to monitor
Ability to turn on sensing sources or data feeds
QoS as a Service
Event transmission and processing as a Service using priorities
Network and compute resources to be applied
Pattern Detection (CEP)
Computing as a Service to obtain resources
Software as a Service to utilize specific applications (e.g. CEP)

Select Sources Select Priorities Select Patterns Event Processing as a
Service

Map Reduce(Complex Event Processing)
Event ID,
Event Attributes
Pattern ID, Partial Match
Pattern ID,
Complete Match
by Pattern ID

Microsoft Robotics Studio
CCR (Concurrency and Coordination Runtime) - Highly
concurrent, message handling with orchestration primitives enabling
simplified message coordination and response to failures
DSS (Decentralized Software Services) – REST-based
framework for services using HTTP extensions for structured data,
notifications, and composition.
Service-based Orchestration using CCR and DSS
75From: http://msdn.microsoft.com/en-us/library/bb648752.aspx.

SODA Architecture
SODA is the “Service-oriented Device and Delivery
Architecture” from the Eclipse Foundation
From IEEE Pervasive Computing

Device Profile for Web Services (DPWS)
A proposed OASIS standard for resource constrained
end-points
Provides key services for networking devices include:
Discovery services
Metadata exchange services.
Publish/subscribe eventing services
Uses core SOAP Web Services such as SOAP, WSDL,
WS-Security, WS-Policy, WS-Addressing,
Also supports WS-MetadataExchange, WS-Transfer,
WS-Discovery, WS-Eventing to provide key services
OASIS has just started a Web Services Discovery and
Devices (WS-DD) Technical Committee to standardize
DPWS, WS-Discovery, and SOAP over UDP.
77

Socrades
Socrades is Service-Oriented Cross-Layer Infrastructure for
Distributed Smart Embedded Systems research project
DPWS is the
Device Profile
for Web Services

Device-to-Business Requirements
79From SAP for Socrades

Sensors to the Enterprise
From SAP

Social Networking (Crowd Computing)

Open Social for Social Networking

Facebook Application Architecture
Facebook Query Language (FQL) – Simple SQL-like query language for
accessing user profiles, friends, groups, events, and photo
API – Web Services interface with a client library
Facebook Markup Language (FBML) – Subset of HTML + Proprietary
Extensions including UI and procedural tags
83

Rogue Wave Internet Dispatcher 2000
85

IBM Mobile Web Initiative
Led by IBM Bangalore
Targeted at mobile phones
The Spoken Web - Voice-enabled mobile commerce
Instant Translation - Real-time communication between
multiple languages through mobile devices
SoulPad - Enabling any portable device to carry
computing applications in your pocket
Social networking on-the-go
Good Samaritan - Mobile healthcare information made
available in any emergency situation

Open Handset Alliance
Consortium of over 30 companies from all aspects of
mobile phone computing
Supports the Android platform developed by Google
Built on the Linux 2.6 kernel
Comprehensive set of libraries
Rich multimedia user interface
Many phone applications
Porting of Google’s new Chrome browsers capabilities to Android
could enable new applications

Microsoft “Mesh” Strategy
Live Mesh – Unified device, data, and application management
Social Mesh – Office Mobile and Office Live Workspace
Business Mesh - Office Live Small Business and Online Services
Also there will be online Skymarket for downloading Windows Mobile 7 apps
From www.microsoft.com/presspass/download/press/2008/0423ServicesStrategyUpdate.pdf

Data Integration Types
ETL – Extract, Transform, Load
EAI – Enterprise Application Integration
EII – Enterprise Information Integration
From: www.dmreview.com

Roles of EAI, ETL, and EII
EAI moves small amounts of data to enable synchronization
ETL moves large amount of between data stores
EII moves and merges data from multiple sources for decision support
From: www.dmreview.com

Data Integration and SOA
Standard XML data representations simplify
integration when high performance is not needed
EAI is performed by the Enterprise Service Bus
EII can be implemented as mashups
ETL can be implemented with the SOAP Message
Transmission Optimization Mechanism (MTOM)

DataPower Appliances from IBM
96
XML Accelerator
Data Transformations
Policy Enforcement

High Performance Data Middleware
XMPP from Jabber provides a light-weight standard
transport for large volumes of small XML messages
Data Distribution Services (DDS) is an OMG standard
for real time publish-and-subscribe messaging with
guaranteed QoS
Protocol Buffers is a recently open sourced non-XML
based data serialization at the foundations of Google’s
RPC architecture http://code.google.com/p/protobuf/
Facebook’s Thrift provides similar cross-language and
data serialization RPC capabilities as Protocol Buffers
http://incubator.apache.org/thrift/

OMG Data Distribution Service
From RTI

Evolution to Semantic Web Services
RDF,
OWL
SOAP,
WSDL
OWL-S
WSDL-S

OWL-S
Ontology Web Language for Services
A W3C OWL language/ontology for formally describing
properties and capabilities of Web Services
Based on input from many sources
Description Logic
AI Planning
Workflow
Formal Process Modeling
Agents
Web Services
Reference http://www.daml.org/services/owl-s
102

UIMA
UIMA – Unstructured Information Management Architecture
Uses Semantic Analysis to add structure to unstructured information
Initial development by IBM then transferred to Apache
104From IBM

Open Calais Semantic Indexing
Open Calais has a Web Service that converts
unstructured data into W3C RDF format
Initially the Web Services can extract names, facts
and events from documents
Open Calais also supplies tool, applications, and an
API to the output that can be used by other Web tools
105

10710/7/2008
Information Grid
From Geoffrey Fox of OGF

108
Colorado Information Grid Vision
Instruments
Data
Visualization
Large-Scale
Databases
Small
Computers
HPC
Mobile
Computing
Sensors

DoD Global Information Grid - Definition
“Globally interconnected, end-to-end
set of information capabilities,
associated processes, and personnel
for collecting, processing, storing,
disseminating, and managing
information on demand to warfighters,
policy makers, and support
personnel.”

11010/7/2008
Global Information Grid (GES.DOD.MIL)

11110/7/2008
Global Information Grid

Net-Centric Operations 2.0 for Defense
1. Web Client
Application
4. Composites
2. Web Message Bus
3 .Enterprise
Service Manager
5. Enterprise
Service Buses
6. Enterprise
Data and
Systems
8. Tactical
Networks
7. Gateway
Adaptor
Data
Browser – RIA, AJAX, Mashups
XML over
HTTP
XMLHttpRequest
Web Server
SOAP over
HTTP
SOAP Server, WCF Host, Application Server
Services, SCA Services, SCAESBs with multiple transports
Orchestration – BPEL, JBI, BizTalk
Data
HTTP
Enterprise
Mashups/Pipes
System
Aggregation
Gateway Server – Protocol and Data Transformations
Sensor Networks, Mobile Platforms, Devices, Gateways (DDS, Efficient XML)
Event Processing
External
Interfaces
SDOSDO
HTTP Server
Push

ESB and Tactical Network Interface

Sensors to Data Grid to SOA Workflows
From HiSeasNet.ucsd.edu

Convergence of Technologies
GREAT
GLOBAL
GRID
Cloud
Computing
Data Intensive
Computing and
Infrastructure
Everything
as a ServiceService Oriented
Architectures
Event Driven
Architectures
Sensors
and Devices
High Productivity
Computing and
Networking
Rich User
Experiences
(Web 2.0)

117
The Great Global Grid is universal
access (when authorized) to shared
services including application,
collaboration, communication, data,
software, and hardware
Free Book - http://www.great-global-grid.com

Great-Global-Grid.com Book (2002)

2010 Future Distributed Computing Architectures and SOA

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