Web Business Platforms on the Cloud

40 %
60 %
Information about Web Business Platforms on the Cloud

Published on February 20, 2009

Author: ACMBangalore

Source: slideshare.net



Harshavardhan “Harsh” Jegadeesan
Business Suite Core
SAPLabs, India

As part of cloud symposium, at ACM Bangalore Compute 2009

WEB BUSINESS PLATFORMS ON THE ‘CLOUD’ – AN ENGINEERING PERSPECTIVE Harshavardhan “Harsh” Jegadeesan Business Suite Core SAP Labs, India 1

CONTEXT Web-Business Platforms  Platform Strategy  “Opening-up” of the platforms using SOA-based web  APIs  Platform Adoption and Creation of an ecosystem – of developers, partners and entrepreneurs – around the platform 2

So what are the Engineering Challenges faced by platform owners while adopting a Platform Strategy? Multi-tenancy …

XML / JSON OASIS / W3C … #1 Evolving Standards Problem Handling heterogeneity in the service ecosystem

#2 Lean Service Metadata Problem Inadequate service descriptions 5 Issues with automated service consumption

#3 Service Differentiation in a Services marketplace “Unintrusive” Service Differentiation Capability on-offer Service Terms of Offer

#4 Creation and Maintenance of Consumption APIs Catering to heterogeneous service consumers Browsers Mash-ups

#5 Support for Customizing and Extending Service Offerings How can customers extend the services?

#6 Support for Visual Syntax for Service Specification Business users prefer visual paradigms for specifying service artifacts

How can platform owners address these challenges? How would a solution approach look like? What criteria would any solution satisfy?

CRITERIA FOR SOLUTION (1) Criterion #1: A solution must support Service  Representation at a conceptual and technology agnostic level Criterion #2: The Service Representation must be  easily convertible to executable service specifications Criterion #3: The Service Representation must  have minimal concepts supporting maximal expressiveness 11

CRITERIA FOR SOLUTION (2) Criterion #4: The Service Representation must  support different roles involved in the development of the service Criterion #5: The Service Representation must  have strong underpinnings in the application domain Criterion #6: The Service Representation must be  open-standards compliant and must leverage existing tools 12

CRITERIA FOR SOLUTION (3) Criterion #7: The solution must support  unintrusive changes to commissioned services to support differentiation Criterion #8: The solution must support creation  of language-specific Web APIs to support a heterogeneous platform audience 13

WHAT DOES A ‘SERVICE’ REPRESENT? A Service represents:  Capability on-offer  Represents the underlying business function or capability  Terms of Offer  Represent the terms at which this capability is offered.  E.g. SHIPPINGSERVICE  Capability on-offer: to ship an item from one place to  another  Terms of Offer: Cost, Delivery time, Payment Options 14


OUR SOLUTION APPROACH Our solution approach is based on Model-Driven  development. Metamodels  Domain-Driven Resources Services Design Metamodel Metamodel Metamodel Six Model Views  We have developed Six Model Views to address  different facets of coarse services development 16

MODEL VIEWS & VIEW POINTS Model View Viewpoint addresses Service Description and classification of Description View Services based on ownership domain Service Defines the capability on-offer. Description of Service, Capability View Service Properties, Interfaces, Operations, Messages and message-exchange pattern. Service Policy Defines the term of offer of a service. Definition of Service View Policies. Service Defining the service provisioning approach, either service Realization View implementation from underlying IT assets or through composition of constituent services Service Defining how existing services could be re-purposed to Mediation View address different consumer goals using process or data mediation. Service Describes service interaction points and service Deployment invocation mechanisms 17 View

METAMODELS, MODELS & TRANSFORMATIONS (MOF 2) UML Infrastructure Metamodels DDD Resources Services Metamodel Metamodel Metamodel Service Service Description Model Policy Model Domain Resource Model Model Model-to-Model Service Service Transformation Capability Model Realization Model Service Models Mediation Model Service Deployment Model Model-to-Text Transformation Consumption APIs SOAP / Service Provisioning REST 18 Policy Descriptions Code Interfaces Description (WSDL / WADL) (Java, .NET) Executable (WS-Policy) Specifications

USING THE MODEL TO CREATE SERVICE CONSUMPTION APIS Services Model Domain Model Resources (Service Capability Model) Model Model-to-Model Transformation Model-to-Model Transformation Model-to-Model Transformation UML2 Model Classes Diagram) Models Model-to-Text Technology Platforms Transformation (Programming Languages) JAR Files PHP, Ruby, Pearl, DLL Client- Java Platform Python Library .NET Platform 19

CONCLUDING REMARKS By abstracting service representations using  conceptual models we support: Increased longevity of the solution   address the evolving standards problem, lean service metadata problem By defining “terms of offer” as policies, we  support unintrusive change of terms of offer to make service offering attractive Using model-to-model and model-to-text  20 transformations we support easy creation and evolution of service consumption APIs


ABSTRACT Web businesses such as eBay®, Amazon® and a whole lot of others have long seized to be mere websites; they have morphed into web business platforms on the quot;cloudquot;. By adopting a platform strategy, they are building an ecosystem of developers, partners and entrepreneurs to build innovative applications for customers. As platform owners, catering to his heterogeneous ecosystem is a huge engineering challenge in itself. This session, we would discuss some of these challenges along with some recipes to overcome them. SPEAKER BIO Harsh currently works as a Project Manager in the SOA team within the Business Suite organization in SAP Labs, India. Prior to this, he was working with the Research & Breakthrough Innovation group on SAP® ByDesign®. He follows his passion for teaching, as an adjunct faculty with BITS, Pilani, teaching graduate courses is software engineering. He actively contributes to JournalServer.Org, a free library of scholarly articles. His areas of interest include service-oriented architectures, enterprise systems and business process platforms. He can be reached at: 22 harshavardhan.jegadeesan@sap.com

Add a comment

Related presentations

Presentación que realice en el Evento Nacional de Gobierno Abierto, realizado los ...

In this presentation we will describe our experience developing with a highly dyna...

Presentation to the LITA Forum 7th November 2014 Albuquerque, NM

Un recorrido por los cambios que nos generará el wearabletech en el futuro

Um paralelo entre as novidades & mercado em Wearable Computing e Tecnologias Assis...

Microsoft finally joins the smartwatch and fitness tracker game by introducing the...

Related pages

Google Cloud Platform

Google Cloud Platform is a ... Stefan Hauk lead server developer for web ... deploy, and run data processing pipelines that scale to solve your key ...
Read more

Microsoft's perspective on cloud computing | Microsoft

Scale your business on demand with a comprehensive cloud-services solution using Microsoft's unique and flexible approach to cloud computing.
Read more

Microsoft Cloud - Platform

Search the Web . ... You're only as agile as your platform. The Microsoft Cloud, ... How our Cloud boosts Aston Martin's business continuity.
Read more

The Cloud as a Platform for Platforms | AWS Official Blog

The Cloud as a Platform for ... open Ruby deployment platform on Amazon Web ... automatic scaling based on dynamic set of predefined business ...
Read more

Cloud computing - Wikipedia, the free encyclopedia

Users routinely face difficult business problems. Cloud computing ... web browser to interact with the cloud ... cloud. A cloud computing platform ...
Read more

Cloud Storage - Online Data Storage — Google Cloud Platform

Cloud Storage Features A Powerful, Simple and Cost Effective Object Storage Service Durable Google Cloud Storage is designed for 99.999999999% durability ...
Read more

Cloud Computing - A Small Business Guide - BusinessNewsDaily

Here’s everything you need to know about using the cloud for business. ... Cloud Computing: A Small Business ... excellent cloud platform that offers a ...
Read more

24 Cloud Storage Solutions for Small Business

24 Cloud Storage Solutions for Small Business. ... a file-sharing platform to collaborate with or send ... Web sharing, cloud collaboration and ...
Read more