SaaS (Software as a Service) is software owned and managed remotely by providers and delivered via the cloud. It is commonly used for HR, CRM, collaboration tools, and procurement. Benefits include lower costs than on-premise software, reduced development time, pay-as-you-go pricing, and vendor handling of upgrades, security, and uptime. The SaaS development lifecycle includes envisioning, platform evaluation, planning, subscribing, developing, operations, patching, and upgrades, with upgrades typically done during scheduled downtime through automated processes. SaaS spending is projected to continue rising as it becomes a preferred model for both large enterprises and SMBs.

1. SAAS & DEVELOPMENT
LIFECYCLE

2. WHAT IS SAAS?
Software that is owned, delivered and managed
remotely by one or more providers.
 SaaS is a leased software maintained by its
creator
SaaS apps run in the cloud.
 The service can be typically accessed by users
using a thin client via a web browser.

3. WHO USES SAAS?
 Mostly in human resource management (HRM),
customer relationship management (CRM),SaaS
CRM, collaboration software (e.g., email), and
procurement solutions are based on SaaS apps,
but is poised to widen.
Sales is going SaaS too, with apps available to
order management, compensation, price, quoting,
etc

4. BENEFITS OF SAAS OVER ON-
PREMISE
Low cost than traditional on-premise
Reduced time for prototyping
Pay as much you use
Vendor responsible for upgrades, patching,
uptime and security
Higher adoption rates
Work flexibility

5. SAAS DEVELOPMENT
LIFECYCLE (SAASDLC)
.

6. SAAS DEVELOPMENT
LIFECYCLE (SAASDLC)
Envisioning – Identify business opportunities
Platform Evaluation - Areas like performance,
scalability, reliability and disaster recovery,
security and privacy, which need to be properly
evaluated.
Planning - Decisions regarding staff, project plan
and functional specifications
Subscribing - All the major decisions regarding
architecture and pricing should be finalized
during this phase

7. SAAS DEVELOPMENT
LIFECYCLE (SAASDLC)
 Developing - Setting up development
environment followed by developing and various
forms of testing
Operations - Service should be deployed and
maintained, the phase begins with finalizing
support plan and training teams

8. LIFE CYCLE MANAGEMENT –
PACTHING (SAASDLC)
Any major defects that are detected into
deployed services are fixed immediately by
providing patches
Patches are usually designed in such a way that
there is zero downtime
In rare cases, applying patches may need
downtime

9. LIFE CYCLE MANAGEMENT–
UPGRADE (SAASDLC)
During major version releases, cloud services
need to be upgraded
It involves upgrading binaries, configuration,
applying patches, upgrading DB schemas etc.
Upgrades are scheduled during downtime,
mostly planned over weekend
 Upgrades are done with high quality “lights out”
automation. Small team of dev-ops people fire off
and monitor 1000s of SaaS pod upgrades each
time

10. LIFE CYCLE MANAGEMENT–
UPGRADE (SAASDLC)
Upgrades on SaaS are fully automated ( e.g.,
multiple steps including configurtations, binary
updates, server restarts etc to JUST 1 automated
step)
 Direct Upgrades – cloud service is directly
upgraded to latest release
Indirect Direct Upgrades – cloud service is
upgraded to each release step by step and finally
to the latest release
Direct Upgrades are more common unless there
is a customer requirement for any upgraded
release version

11. FUTURE OF SAAS
Gartner projects global spending on SaaS to rise
each year
SaaS cloud applications are becoming preferred
model for delivering software for both enterprise
customers and SMB
 SaaS will help companies to save money by
finding a way around the need to buy hardware
or software and even to have staff for maintaining
the systems