Emerging Service Technologies
Software as a Product
• Evolved with computers.
• Pay for one license and install on one local
• Data is transported via external memory
– Floppy disks
– USB disks
• Many license purchases means a large upfront
cost for businesses.
As a Product Cont.
• Majority of cost in producing a product goes
into creating the first installation.
• Difficult for new businesses to compete due to
such a large upfront cost.
– Results in industry giants.
• “Software as a Service (SaaS) is a software
distribution model in which applications are
hosted by a vendor or service provider and
made available to customers over a
network, typically the Internet “
– (SearchEnterpriseDesktop.com )
• Gaining Popularity
– Increased availability and reliability
• Yearly licensing fees
• Hosted customers get ease of mind
– No local equipment needed (need for IT dept.).
– Service is completely supplied
• Cost Savings
• No Compatibility Issues
– Processing done on server.
– Anywhere access improves workflow.
– Needed only on the server.
– Time & money
• Data Backups
– Done in one place.
– No worries if hosted.
– Burden taken from businesses
• All processing done on the server
– Too many users bog down system
– Main concern
• Banks & Hospitals
• Sensitive and Valuable
– Clients used to rich applications.
– Applications stored on separate servers.
What Google Does
• Google Docs
– Instantly share documents with selected users.
– Document is updated in real time.
– Download documents in external formats
• Google Apps
– Google Docs,
– Google Video
– Google Sites
– Calendar sharing
SaaS for small/medium businesses
• Lowest service level
– no hardware
– no software
– No upgrade costs
– Instant Upgrades
• Update documents online with coworkers
– Offline then upload to share
• “Software-plus-Services ….represents an industry
shift toward a design approach that is neither
exclusively software-centric nor browser-
centric. By deeply and genuinely combining the
best aspects of software with the best aspects of
cloud-based services, we can deliver more
compelling solutions for consumers, developers
• Users are not forced to upgrade.
• Functional without an internet connection.
• Share documents with others.
• Bussinesses are not able to alter their IT dept.
– Cannot be (fully) externally hosted.
• Where is my data being stored?
– Some data stored via services, but not all
• Device must have physical and virtual memory
• Install Permissions
What Microsoft Does
• Microsoft Live
– Microsoft Instant Messenger
– Movie Maker (currently in Beta)
– Writer (for blogging)
• Microsoft Office Live
– Collaborate during development
– Single file access
• Microsoft Live Mesh
– Sync files across devices
– Notified when files are updated.
– Tool for developers to “mesh” their own applications.
• Windows Azure
– runtime environment
– “on-demand compute, storage, and automated
Where is SaaS going?
• Internet access continues to become faster and
• Application integration tools (APIs) to allow
communication between multiple SaaS systems
• Allow users to interact with their documents
locally (much like S+S)
– Google Docs Offline
– Google Toolbar
Where SaaS is going.
• Google will need to find ways to attract users
to charged services.
• Offer the right services for a small amount of
money to many people.
Where is S+S going?
• Main Disadvantage cannot be overcome
– Businesses using S+S will still need to employ an IT
• Installations may not be possible due to
– system requirements
• Low functionality web delivered apps (SaaS)
• SaaS and S+S applications will begin to collide.
• S+S will offer online only services.
• SaaS will offer offline alternatives.