saas in the enterprise -...

EMEA

Jürgen Pfeifer

Architect, MCA

Microsoft EMEA HQ

http://blogs.msdn.com/juergenp

SaaS in the Enterprise

EMEA

WHY SAAS: LANDSCAPE AND

VALUE PROPOSITION TO THE

ENTERPRISE

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Context: “SaaS ecosystem”

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SaaS Impacts the Entire Consumption Cycle : In particular in the L.O.B. application space

Purchase

From:

Long Eval Process

To:

Try before you buy

Deployment

From:

Customization

To:

Configuration

Management

From:

Reliance on internal IT

To:

SLAs

Enterprise

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Value Prop

Hardware Cost

at Provider

People Cost

at Provider

Economy

of scale

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PRACTICAL

CONSIDERATIONS

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Considerations for embracing SaaS

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On Premise or in the “Cloud” ?

TECHNICAL

POLITICAL

FINANCIAL

LEGAL

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Examples of considerations

Examples T F L P

Boss said so x

Data security x x

Regulatory requirements x x

Required features/solution not available out there x

Business differentiator/core assets x

Requires deep integration with in house systems x

No incentive to optimize – what‟s the ROI to migrate? x

Unique SLA requirements x

Availability of credible SaaS providers x x

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Identity management

Need to cater for multi-tiered authentication and

authorisation models

Each client needs administrators / “super users” and regular users

Integration with enterprise identity management systems

Need to provide single sign-on from within the enterprise to SaaS

application(s)

Extend user provisioning process from enterprise into SaaS domains

Access to audit logs generated by SaaS application(s)

Consolidated reporting for compliance, etc

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Management integration

A chain is only as strong as its weakest link!

But in a world of SaaS what you care about is much broader

than what you can control directly

Need to be able to gain insight into operational health and

performance of SaaS applications

Benchmark against SLAs

Need to be able to integrate own systems management

information with information emitted from SaaS providers

What happens if your systems management environment uncovers a

problem with the SaaS system? Integration needs to be two-way

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Data ownership

Cultural issues

Concern about and fear of loss of control

Compliance / Security

Legal/regulatory issues e.g. data privacy limit options to host data externally or impose additional constraints e.g. testing using live data

Need to extend risk management and security strategies to the SaaS provider

Compliance demands end-to-end controls – but one end may be in the SaaS provider

Backup/recovery, disaster recovery

Data protection approaches must extend to externally hosted data

Disaster recovery must incorporate the SaaS solution e.g. can a disaster recovery site still connect? Is the data accessible?

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Now that you’ve decided on SaaS

Not all CRM SaaS are created equal.

Due diligence check list:

Data security standards

SLA guarantees – also check what action is promised

when SLA is violated.

Provider migration strategy: Availability of data and code

escrow services

Compliance with vertical regulations

In house integration requirements

Composition features: Web services interfaces

Additional reporting services on hosted data (to support

ongoing BI activities)

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SOA AND SAAS

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What is SOA?

Service Orientation:

Sets of architecture principles and design

patterns for delivering application architecture

that promotes agile and flexible reuse of IT

capabilities.

SOA:

A design artifact that represents an IT

architecture as a result of applying SO principles.

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SOA and SaaS

How SOA can help prepare enterprises for adopting

SaaS:

SOA Re-evaluate and re-factor technology capabilities

needed to deliver business. Capabilities = services

Adoption of standard-based technology helps enterprises

be more agile in adopting and switching capabilities.

Decouple services from processes. Loose coupling

enable new processes to be defined and reuse services.

What SOA will not do:

Help enterprise decide what is core and what is not core.

Core can refer to both data and processes.

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IMPACT ON YOUR

ARCHITECTURE

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Integration

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Composition

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Observations on Successful Enterprises

Companies who are able to do the following are

highly successful:

Harnessing and correlating the knowledge of collective

data

Specialization: how we do things -> lower cost, better

quality

Translating into technology capabilities:

Data integration

Synthesizing and collecting business information

Filtering noise from value

Composite applications

Better task flow

Better information flow

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Extending Enterprise SOA

Off-premise services

Integration + Composition Platform

On Premise Services

Internal

Edge

Cloud

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The role of the „EDGE“

SaaS is just one new way to use the „WEB as

a place“

Your external facing WEB functions need to

meet future expectations of your customers

and partners

The „Web 2.0“ wave

Your internal users expect that their own IT

enables this new world of work

e.g. Rich Content, Discovery (Search),

Collaboration

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Users & Experiences

The center of gravity shifts back to the User

It is the age of access

The experience economy

Wisdom of crowds

Democratization, of innovation, of content,

community and commerce

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24

Drivers

Business

Social

Technical

Technological

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Business Drivers

Changing business models (“Long-tail”)

Monetization

Free / indirect / bundling

Ad based revenue

Transaction based pricing

Subscription

Mini / micro transactions

Long tail

Business aggregation

Consumer to enterprise movement

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Social Drivers

Changing social models (“Gen U”)

User generated content

Power of numbers

Search and discovery

Community

“Folksonomies”

Personalization and responsiveness

Rich content (voice / image / video)

Ranking / rating

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Technical Drivers

Software + Services (“Live” era)

High levels of bandwidth and connectivity

Edge power (phone, ipod, PC)

Peer to peer

Mesh networks

Instant deployment / permanent beta

Rich content support (ipod, MP4, VOIP)

Lightweight tools

Channel filtering and aggregation

Application aggregation (mashups)

Services based

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Technologies

Lightweight technologies

REST

AJAX / Atlas

RSS / SSE

ROR

Wikis

IM / Bots

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Service-oriented architecture

An architectural style

Client/server, distributed objects, service-orientation

Evolution from the local (objects) to the network

(services)

Principles and patterns

Web services enable „intrinsic‟ interoperability

Facilitates „agility‟

Exploit new business opportunities and changing business

requirements

Means to an end

“I don‟t care how good your architecture is – what business

value are you creating?”

(I will confess that I don‟t buy the reuse argument)

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Service-oriented architecture

Enterprise-wide SOA

Service model

An approach to factoring, integrating, and managing

an organization's technology portfolio that employs

the service model as the basis for developing and

operating distributed business systems (yes, you can

do this using DCOM too )

Shared services

Security, management, metering, billing …

(I will confess that I am skeptical of Enterprise-

wide SOA)

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SOA / ESB Characteristics

Enterprise model

Centralized

Rigorous

Control

Server based

Managed

Standardized

„Slower‟ rate of change

SOAP based

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EDGE Definition

Provider and consumer model

Provider edge: Enterprises / SOA

Consumer edge: Consumers / Web 2.0

Is Web 2.0 the global SOA?

No they are two Edges

We need an architecture which covers both

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EDGE Characteristics

Async. / SOAPAsync. / RESTCommunication

Small (servers)Very LargeNo of types of devices

Enterprise EdgeConsumer Edge

SOA/ESBP2P/Web 2.0Name

CentralizedDecentralizedControl

LargeHugeTotal Demand

SlowFast Rate of change

LargeHugeTotal Power

MediumIn the web 2.0 cloudConnectivity

LargeVery LargeNo of devices

ManagedUnmanagedOrganization

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EDGE Common Capabilities

Relationship management

Rich content

Collaboration

Discovery

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EDGE Architecture

Web 2.0

SOA

Relationship

Management

Rich

ContentCollaboration Discovery

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EDGE Architecture

Web 2.0

SOA

Relationship

Management

Identity management

Friends, Family, Group management

Access management

Personalization

Tribes and “Folksonomies”

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EDGE Architecture

Web 2.0

SOA

Rich

Content

Video

TV

Image

Audio

Geo

Movie

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EDGE Architecture

Web 2.0

SOA

Collaboration

Blogs

Wikis

IM

Email

Discussion boards

Conferencing (audio, video)

Back channeling

Bots

Wikipedia

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EDGE Architecture

Web 2.0

SOA

Discovery

Search

Tagging

Ranking and ratingClouding

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EDGE Architecture

Web 2.0

SOA

Relationship

Management

Rich


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EDGE Architecture

Relationship

Management

Rich


Interaction/

Composite

Application

Services/

Messaging

Workflow/

Process

Identity &

Access

Management

Federated

Data

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Patterns on the EDGE

Peer to peer (XBox Live, Napster, Skype)

Centralized (MSN Spaces, Google)

Asynchronous (Fremont, Flickr,

Housingmaps)

Hybrid

…

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People

Relationships Customers

Products/ServicesOperations

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Software Architecture at the EDGE

Web 2.0 SOAPut the User back into SOA

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Software Architecture at the EDGE

Web 2.0 SOAUser/Experiences

Architecture

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