The document outlines the architecture and enablement strategies for Software as a Service (SaaS) solutions, covering core characteristics such as scalability, multi-tenancy, and security. It discusses tools and methodologies like ISaaS SDK and ISaaS Wizard that facilitate the development and project management of SaaS applications. Additionally, it highlights the importance of customization and configuration in enhancing user experience and business processes.

1. Impetus Technologies Inc.
© 2014 1 Impetus Technologies
Building Highly Scalable
& Flexible SaaS Solution
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2. Agenda
• SaaS Characteristics
• SaaS Enablement Approaches
• Architecture & Infrastructure
– Configuration & Customization
– Scalability & Availability
• SaaS Enablement - Architecture Vs Infrastructure
• SaaS 360o – Approach
• iSaaS – Impetus SaaS Implementation Platform
• Q&A
© 2014 2 Impetus Technologies
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3. SaaS Characteristics
© 2014 3 Impetus Technologies
Multi-tenancy
Subscription
& Billing
Customization
&
Configurability
Scalability
&
Availability
Security
Integration
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4. SaaS Enablement
Designing and architecting application for SaaS
Provisioning apps for SaaS via Infrastructure
- Virtualization
- Dynamic scaling
© 2014 4 Impetus Technologies
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5. Configuration & Customization
© 2014 5 Impetus Technologies
SaaS
Configuration &
Customization
Business Entities
Business
Processes
User Interface
Access Control
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6. User Interface Configurablity
T Template
© 2014 6 Impetus Technologies
Engine
Customized
User Interface
Customized
javascript User Interface
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7. Business Processes
Configurable business processes & workflows
Configuration driven business rules
© 2014 7 Impetus Technologies
Stage
1
Stage
2
Stage
3
Stage
4
Stage
5
Stage
6
Customized services
based on business rules
Configuration
Stage
1 Stage
2
Stage
3
Stage
4
Stage
5
Stage
6
Configuration Rules
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8. Business Entities
Configurable business entities
Template driven design
© 2014 8 Impetus Technologies
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9. Access Control Configurability
© 2014 9 Impetus Technologies
Retrieves
ACL
LDAP Server Configure
ACL
SaaS Application
Tenant 1
Tenant 2
Tenant 1
Tenant 1
LDAP Server
Tenant 2
LDAP Server
Tenant 2
Configure
ACL
LDAP for user management
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10. Scalability & Availability
Environment Scalability
Application Scalability
Architecture
- Load balancing provision
- Integration with third party
- Attaching newly added servers to environment
Infrastructure
- Hardware based load balancing
- Dynamic server node management
© 2014 10 Impetus Technologies
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11. Environment Scalability
© 2014 11 Impetus Technologies
Web
Servers
Load Balancer
.
.
.
Cache
Servers
Database
Servers
Tenant A
Tenant B
Tenant C
.
.
.
.
.
.
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12. Application Scalability Stateless Services
Stateless services
SI2
© 2014 12 Impetus Technologies
User A
SI1
SI4
SI3
User A
Shared
Service
Instance
Service
User B User C
User C
User B User C
User C
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13. Application Scalability Intelligent Caching
Internal
Cache
© 2014 13 Impetus Technologies
.
N Nodes
.
.
N Nodes
.
.
.
.
.
API
Application
On Node 1
Application
On Node 1
Application
On Node N
Application
On Node N
Internal
Cache
Cache
Cluster
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14. Architecture Vs Infrastructure
© 2014 14 Impetus Technologies
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15. SaaS 360o – Approach
© 2014 15 Impetus Technologies
Effort estimation,
Requirements
Traceability, &
Project Management
iSaaS SDK & iSaaS
Wizard (SaaS
Enablement)
Templates &
Checklists
Standards &
Guidelines
Project
Lifecycle –
Processes &
Activities
Quality –
Processes &
Activities
Execution guides/
Playbook
Sample Deliverables
& Best Practices
Tools
Execution
Assets
Methods
SaaS 360o
Tools
iSaaS SDK: Accelerates the development
of new SaaS-enabled applications
iSaaS Wizard: Automates SaaS-enablement
of Java / J2EE applications
Other Tools: Support Effort Estimation,
Requirements Traceability, and Project
Management
Methods
Full-lifecycle – supports all phases of
the development process
Integrated delivery approach – used
consistently by offshore delivery teams
Adaptable – supports multiple
methodologies - RUP, Agile, Waterfall
Technology independent – but provides
support for J2EE, Microsoft.Net, etc.
Industrial Strength Processes – Well-defined
and repeatable processes
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16. SaaS 360o – Approach
© 2014 16 Impetus Technologies
Methods
Full-lifecycle – supports all phases of
the development process
Integrated delivery approach – used
consistently by offshore delivery teams
Adaptable – supports multiple
methodologies - RUP, Agile, Waterfall
Technology independent – but provides
support for J2EE, Microsoft.Net, etc.
Industrial Strength Processes – Well-defined
and repeatable processes
Tools
iSaaS SDK: Accelerates the development
of new SaaS-enabled applications
iSaaS Wizard: Automates SaaS-enablement
of Java / J2EE applications
Other Tools: Support Effort Estimation,
Requirements Traceability, and Project
Management
Assets
Templates & Checklists – Provides ready
to use Templates & Checklists to aid the
development effort.
Standards & Guidelines – Provides ready
to apply standards and guidelines to the
SaaS development / conversion phases
Effort estimation,
Requirements
Traceability, &
Project Management
iSaaS SDK & iSaaS
Wizard (SaaS
Enablement)
Templates &
Checklists
Standards &
Guidelines
Project
Lifecycle –
Processes &
Activities
Quality –
Processes &
Activities
Execution guides/
Playbook
Sample Deliverables
& Best Practices
Tools
Execution
Assets
Methods
SaaS 360o
Execution
Execution Guides / Playbook – Provides
detailed guidelines for various phases in
the SaaS-enablement SDLC (for
example, Multi-Tenancy Assessment,
Code Conversion & Data Modeling, etc)
Sample Deliverables & Best Practices –
Sample deliverables to help accelerate
the deliverables creation. Best practices
& lessons learnt every step of the way
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17. iSaaS – Simplifying SaaS
© 2014 17 Impetus Technologies
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18. iSaaS – Simplifying SaaS
© 2014 18 Impetus Technologies
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19. Coming Up
Architecture and infrastructure approach for
- Monetization
- Integration
© 2014 19 Impetus Technologies
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20. © 2014 20 Impetus Technologies
About Impetus

21. • Strategic partners for software product engineering and
R&D
• Thought leaders in cutting-edge technologies
• Mature processes and practices that are methodical, yet
flexible
• Diverse domain expertise
© 2014 21 Impetus Technologies
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22. © 2014 22 Impetus Technologies
Q & A

23. © 2014 23 Impetus Technologies
Thank You
Write to us at inquiry@impetus.com
Follow us on Twitter @impetustech
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