SaaS Architecture Past and Present
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SaaS Architecture Past and Present
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SaaS ArchitecturePast and Present
The “SaaS” Effect
• SaaS has clearly proved critics that it is here to stay for a long time
• Increase in SaaS adoption as well as the new technology innovations such as cloud has significantly evolved SaaS architecture
• In this presentation we will take a look back and see what constituted SaaS architecture then and what constitutes now
www.techcello.com SaaS Architecture – Past and Present
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Infrastructure Security
Topic Past Approaches Present ApproachesInfrastructure Security Security Policies Offered By Cloud
Security Audits Firewall Anti-spam SSL
Cloud infrastructure has clearly dominated the thought process of infrastructure setup
Infact, ISVs moving to SaaS model (from on-premise) for first time had a tough time in coping up to managing infrastructure
Today cloud infrastructure has reduced a big burden from the shoulders of IT teams
SaaS Architecture – Past and Present
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Application Security
Topic Past Approaches Present Approaches
Application Security Form based authentication SSO with AD/ OpenID/ WS-Federation
Role based Control Multifactor authentication Claim based identity Granular privileges Row and Field level privileges
Tenant based ACLOAuth based accessUser Audits and Event AuditsTransactional change audit and AnalysisOWASP Standards
Earlier Application security was merely handling authentication and role based access control. However, in today’s world security has spawned in to much bigger area with lot more emphasis on security
SaaS Architecture – Past and Present
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Scalability
Topic Past Approaches Present ApproachesScalability Load balanced Webservers Elasticity Sharded database Asynchronous operations Cloudwatch/Azurewatch NoSql database
Distributed Caching
Scalability was one of the under estimated non-functional requirements in the past
Several products were successful but not sustainable due to limitations on the scale (ex: Orkut)
Today cloud has intelligence to scale up and down the infrastructure without the need for any manual intervention.
SaaS Architecture – Past and Present
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Availability, Performance and Integration
Topic Past Approaches Present Approaches
Availability DB Replication and Failover Multi availability zone database failover
Multi availability zone application failover
Performance 5-10 seconds Subsecond
Integration Excel Import Rest services Excel Export Webhooks
DB Replication and failover has to be thought through from a multi availability zone perspective
Systems are expected to work in subsecond response time
Open integration services like REST and Webhooks are preferred over black box excel imports
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Configurability and Analytics
Topic Past Approaches Present ApproachesConfigurability Custom code Configurable Workflow White Labelling Configurable UI
Configurable Logos and Themes
Configurable Forms and Grids
Analytics BI Big Data
No more hardcoding – people have learnt it the “hard” way
Anything that can potentially change from customer to customer is now made configurable
Internet has witnessed a tremendous amount of data growth, which has rendered traditional BI Analytics tool not useful as Big Data
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User Interface
Topic Past Approaches Present ApproachesUser Interface Html and CSS HTML5.0 Flash/Applet/Silverlight SPA Javascript frameworks Realtime updates Responsive Design CSS Framework
Native Apps
In today’s world UI can make or break a product
Web pages almost work as desktop screens with immediate and interactive responses
Viewing is no more restricted to PCs. Therefore, a responsive design is mandatory to enable product access across multiple devices
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Manageability and Tenancy
Topic Past Approaches Present ApproachesManageability ‘N’ layered architecture Dependency Injection Exception logging AOP based instrumentation Cloud log management service MVC/MVVM Tenancy ASP Model Multi tenant Architecture Single Tenant Tenant Hierarchy
Support for reseller management
Systems today are built with flexible architectures to support easy integration with diversified set of external systems
Multi tenancy is becoming a defacto standard of building SaaS applications
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Customer Service and Deployment
Topic Past Approaches Present Approaches
Customer Service Implementation and Operations Team Self service
Deployment Self-Hosting Virtualization MSP Public Cloud Private Cloud Hybrid
Management Application Lifecycle Management (ALM)
SaaS Lifecycle Management (SLCM)
Self servicing features are included as part of the SaaS product to reduce support load (and cost)
Wide range of deployment options are supported today
ISVs are moving towards a unified way of approaching their SaaS business using SaaS Lifecycle Management (SLCM)
SaaS Architecture – Past and Present
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SaaS Architecture – Best way forward
SaaS architectures have grown leaps and bounds in the last decade.
Today SaaS space is flooded with numerous options for SaaS application development.
More importantly people have started looking for unified solutions (like TechCello’s SaaS Starter Kit) that can tie all the above pieces together.
Techcello's SaaS Multi Tenant architecture encapsulates all the above areas in to a SaaS Starter Kit and continues to be the fastest way to build SaaS product for ISVs.
To read more about it click here.
SaaS Architecture – Past and Present
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About TechCello
Techcello is a cloud-ready, SaaS Application Development Framework
Can be used to,
Build new SaaS products
Convert single-tenant Apps to Multi-Tenant
Migrate on premise products to SaaS model
Cello framework is delivered as a set of libraries and APIs that can be easily integrated to your product
Applications built using Cello can be deployed in any cloud
Cello contains building blocks for developing, monetizing and servicing your SaaS offering.
SaaS Architecture – Past and Present
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TechCello – Flexible ArchitectureTechCello supports all models of database multi-tenancy, there by allowing ISVs to operate in a hybrid model.
TechCello offers an end to end SaaS Life Cycle Management Solution that can help in designing, developing and managing the operations of your SaaS product.
Using TechCello you can simply focus on building your product functionalities, and TechCello can take care of the rest.
TechCello is tested and proven SaaS Framework, built exclusively to meet the typical SaaS needs of your business and product.
TechCello offers more than 30+ modules covering all the basic engineering blocks and operational modules.
Apart from saving significant amount of cost, your precious time can be well spent on differentiating your product from competitors through unique product features.
SaaS Architecture – Past and Present
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Contact Us
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SaaS Architecture – Past and Present
