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Leveraging Azure and Cello for Delivering Highly Scalable Multi-Tenant
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Leveraging Azure and Cello for Delivering Highly Scalable Multi-Tenant SaaS Solutions The smartest and fastest way to build configurable, high quality applications that can be deployed on any cloud…
Agenda • Understanding Multi-Tenancy Models • Why Scalability is critical for Multi-Tenant Architecture? • What is Cello and How does Azure and Cello work together? • Advantages of Azure and Cello combination • Deployment in Azure • Benefits for ISVs SaaS Life Cycle Management Solution
Single Tenant Multi-Tenancy Models • Single and Multi Tenant are the two approaches that ISVs typically take for delivering their SaaS solution. • Single Tenant Solutions typically involve setting up separate instances for each customer • Multi Tenant Solutions service multiple customers (tenant) from a single instance, there by sharing all the hardware resources Multi Tenant SaaS Life Cycle Management Solution
Why Scalability is critical for Multi-Tenant architecture? Scalability in Multi-Tenant Architecture • Multi-Tenant systems experience heavy load due to the fact that single instance serves multiple customers • Load on the system is going to be directly proportional to the number of customers serviced. • SaaS Business model is only profitable with higher number of customers. Therefore, it’s suicidal if you are not building a multi-tenant architecture that is scalable at all levels. SaaS Life Cycle Management Solution
Azure & Cello How does Azure and Cello work Together? SaaS Life Cycle Management Solution
Azure & Cello – Complement Each Other Auto Scale Online Services Traffic Manager Azure Watch For ISVs Cello provides the SaaS Engineering/Management features Azure provides the infrastructure management features. Cache Storage Active Directory Database SaaS Life Cycle Management Solution
Techcello is a cloud-ready, SaaS Application Development Framework for Azure platform • 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 easily deployed in Azure • Cello contains building blocks for developing, monetizing and servicing ISV’s customers. What is Cello? 2012 SaaS Life Cycle Management Solution
Cello – Technology Stack Technology Stack SaaS Life Cycle Management Solution
Advantages of Cello and Azure Combination • Azure and Cello combination gives a perfect platform for ISVs to build their product. • Cello brings in a wide range of engineering building blocks, operational modules and subscription management tools. In other words, Cello offers the complete SaaS Life Cycle Management Solution. • ISVs will have the option of exposing some of the Cello administration features to tenants in the form self-servicing portal. This can bring down significant amount of support team load. • Azure on the other hand provides infrastructure and application life cycle management in the form of deployment support, monitoring tools, online services, etc. • While Cello strengthens the product with a scalable and robust architecture, Azure provides a scalable and secure infrastructure. SaaS Life Cycle Management Solution
Traffic Manager Typical Deployment in Azure Azure Services Auto Scale Cache Web Roles Active Directory Other Services Auto Scale Worker Roles Cello Data Product Data Table/BLOB SQL Azure SQL Azure SQL Azure SaaS Life Cycle Management Solution
Typical Deployment in Azure • ISVs can choose to deploy their product in either web role/worker role model or they can also choose the VM model (which is vanilla IaaS). • Cello is delivered in the form of APIs and libraries, which has to be deployed along with the product. Web role will contain the Cello web pages and binaries. Cello services will have to be deployed in Worker role. • Cello data is maintained separately and will have to be setup in SQL Azure database. However, the product database can point to any storage technology offered by Azure. • Product can leverage all the services offered by Azure platform. Cello does not bring in any limitations for the product. SaaS Life Cycle Management Solution
Common for all tenants Single Shard Double Shard Cello Offers Unlimited Scalability Tenant 1 to X Tenant (X+1) to Y Load Balanced Web Servers Web Server Cello Database Cello Database Database Server Database Server Database Server Application Database Application Database Application Database SaaS Life Cycle Management Solution
Cello Offers Unlimited Scalability • Cello architecture is designed for unlimited scalability at all layers. • Products built using Cello design norms by default inherit the capability to dynamically scale out without any coding efforts. • ISVs can initially start with a single sharded model. However, when the load increases they can easily add additional resources in the form of machines, databases, storage etc. • Azure Watch can be effectively utilized to monitor the load of the systems and once the threshold is reached it will automatically add additional machines. • Cello leverages Azure Data Sharding feature by abstracting the database from Developers. This allows ISVs to shard by tenants and/or modules. SaaS Life Cycle Management Solution
Load Balanced App Servers Tenant and Module Based Sharding User Load Module A Tenant 1 to x Tenant x+1 to y Tenant y+1 to z Dedicated DB Module B Tenant 1 to x Tenant x+1 to y Tenant y+1 to z Dedicated DB SaaS Life Cycle Management Solution
Benefits for ISVs “The Techcello approach is likely to be ideal for companies -especially independent software vendors - that need to get to market relatively quickly with a multitenant SaaS solution and would like a substantial shortcut while avoiding lock-in to a proprietary application platform as a service (aPaaS)”- Gartner Research SaaS Life Cycle Management Solution
Contact Us • Web : http://www.techcello.com • General Enquiry : info@techcello.com • Support Enquiry : support@techcello.com • Sales Queries: sales@techcello.com Register here for a Self-Guided Live Tour of Cello http://resources.techcello.com/techcello-demo-live-access SaaS Life Cycle Management Solution