EA and IT Infrastructure - 1© Minder Chen, 1995-2014 Enterprise Architecture, IT Infrastructure, and Cloud Computing Minder Chen, Ph.D. CSU Channel Islands.

EA and IT Infrastructure - 1 © Minder Chen, 1995-2014

Enterprise Architecture, IT Infrastructure, and

Cloud Computing

Minder Chen, Ph.D.CSU Channel Islands

Martin V. Smith School of Business and [email protected]


Big Picture

Business Strategy

Business Processes

IT Strategy

Business Capabilities

IT Solutions

Approach:

Cost/Value Analysis

Focus: Governance Portfolio Architecture Sourcing

Need: Resilience, Flexibility, Opportunism

Drivers: People, Process, Information, Relationships

Focus: “Processized” Analysis – Vocabulary Metrics

Context


Zackman Framework

Source: http://www.zifa.com/framework.pdf


Heat Map


IT Infrastructure

• “The hardware, software, and telecommunication/ networking systems or equipment together provide the underlying foundation to support the organization’s goals.”



Web-based IT Infrastructure

HTTP

TCP/IP

WWW

Internet Run dynamicbusiness logic components

Software Applications

DBMS

Browsers

UserInterface

DataProcess

App.

Firew

all

3 (N)-Tier Application Architecture


Stages in IT Infrastructure Evolution

Mainframe/Mini Computers

Personal Computer

Client/Sever Computing

Web-based enterprise applications

Cloud Computing/mobile device BYOD (Bring Your Own Devices)


The Network Is the Computer

• "Sun has always been very early, and often way too early with a lot of our ideas.

• For example, in the '80s we were preaching that the network is the computer.

• Shame on us for not summing it up in one word – cloud.“

– Scott McNealy


On the Cloud

• The cloud symbol is often used as a notation as a network in the a system architecture diagram.


# of Data Centers in America?

7,0007,000Economist Survey on IT, 2008Economist Survey on IT, 2008

Virtualization


% of Utilized Server Capacity

on Average?

6%6%IDC, 2008IDC, 2008

Service Utilization


Over Provisioning = Waste

Demand

Capacity

Time13


Without Virtualization

• All require same power

• All emit same heat

• All require physical space

• Setup, (re-)configuration

• Maintenance, support…


With Virtualization

Flexibility

Rapid provisioning

Disaster Recovery

High Availability

Automation

Systems Management integration

Adaptive Datacenter


Definition of Cloud Computing

• The NIST definition of cloud computing:

Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.

• The ability for end users to utilize parts of bulk resources and that these resources.


Characteristics of Cloud Services

NIST identifies several characteristics for a service to be considered “Cloud”:

• On-demand self-service: The ability for an end user to sign up and receive services without the long delays that have characterized traditional IT.

• Broad network access: Ability to access the service via standard platforms (desktop, laptop, mobile etc).

• Resource pooling: Resources are pooled across multiple customers.

• Rapid elasticity: Capability can scale to cope with demand peaks.

• Measured Service: Billing is metered and delivered as a utility service can be acquired quickly and easily.

http://resources.idgenterprise.com/original/AST-0032300_Understanding_the_Cloud_Computing_Stack.pdf


Platform Continuum

• Bring your own machines, connectivity, software, etc.

• Complete control• Complete

responsibility• Static capabilities• Upfront capital costs

for the infrastructure

• Renting machines, connectivity, software

• Less control• Fewer

responsibilities• Lower capital costs • More flexible• Pay for fixed

capacity, even if idle

• Shared, multi-tenant infrastructure

• Virtualized & dynamic• Scalable & available• Abstracted from the

infrastructure• Higher-level services• Pay as you go

On-PremisesServers

Hosted

Servers

Cloud Platform


Deployment Models: Cloud Computing

• Private cloud, Community cloud, Public cloud, Hybrid cloud

Source: http://csrc.nist.gov/publications/nistpubs/800-145/SP800-145.pdf


http://aws.amazon.com/

http://www.salesforce.com/

PaaS

Software as a service (SaaS)

Google AppEngine

Amazon's EC2 (Elastic Compute Cloud)

Fulfilled by Amazon


Cloud-based Storages/Apps

• DropBox

• Google’s GoogleDocs

• Microsoft SkyDrive

• Amazon Cloud Drive

• Apple’s iCloud


Fulfilled By Amazon

Source:

•http://services.amazon.com/fulfillment-by-amazon/how-it-works.htm

•http://amazongenius.com/fulfillmentbyamazon/


Technology drivers of infrastructure evolution

• Moore’s law and micro-processing power Computing power doubles every 2 years Contrary factors: Heat dissipation needs, power

consumption concerns Nanotechnology: May shrink size of transistors to width

of several atoms

• Law of Mass Digital Storage The amount of data being stored each year doubles

• Metcalfe’s Law and network economy Value or power of a network grows exponentially as a

function of the number of network members As network members increase, more people want to use it

(demand for network access increases)

http://www.emc.com/collateral/demos/microsites/idc-digital-universe/iview.htm


Advancing Rates of Technology (Silicon, Storage, Telecom)

Smaller & faster & cheaper


Data Volume 210 =1028


Storage: Falling Costs and Rising Investment

http://www.emc.com/collateral/about/news/idc-emc-digital-universe-2011-infographic.pdf



Backup Slides


Th

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EA and IT Infrastructure - 1© Minder Chen, 1995-2014 Enterprise Architecture, IT Infrastructure, and Cloud Computing Minder Chen, Ph.D. CSU Channel Islands.

Documents

cloud computing minder

virtualization slide

support slide

heat map slide

service utilization

scott mcnealy slide

cloud symbol

word cloud