SaaS Architecture Past and Present

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The topic "SaaS", which was once such a disputed topic, has now been widely accepted. The increase in the adoption as well as the new technology innovations such as cloud has significantly evolved SaaS architecture.

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SaaS Architecture Past and Present

  1. 1. SaaS Architecture Past and Present
  2. 2. 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
  3. 3. www.techcello.com Infrastructure Security Topic Past Approaches Present Approaches Infrastructure 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
  4. 4. www.techcello.com 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 ACL OAuth based access User Audits and Event Audits Transactional change audit and Analysis OWASP 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
  5. 5. www.techcello.com Scalability Topic Past Approaches Present Approaches Scalability 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
  6. 6. www.techcello.com 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 SaaS Architecture – Past and Present
  7. 7. www.techcello.com Configurability and Analytics Topic Past Approaches Present Approaches Configurability 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 SaaS Architecture – Past and Present
  8. 8. www.techcello.com User Interface Topic Past Approaches Present Approaches User 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 SaaS Architecture – Past and Present
  9. 9. www.techcello.com Manageability and Tenancy Topic Past Approaches Present Approaches Manageability ‘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 SaaS Architecture – Past and Present
  10. 10. www.techcello.com 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
  11. 11. www.techcello.com 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
  12. 12. www.techcello.com 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
  13. 13. www.techcello.com TechCello – Flexible Architecture TechCello 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
  14. 14. www.techcello.com Contact Us http://www.techcello.com sales@techcello.com SaaS Architecture – Past and Present

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