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From the Desktop to the Multi-clouds: The case of

ModelioSaaSMarcos Almeida, Andrey Sadovykh and Antonin Abhervé

SOFTEAM, France

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Outline• Main contribution:

• Present our case• Current status

• Prototype• Constraints & Requirements

• Why? • Explore open questions

• This presentation:• Our case study• The MODAClouds FP7 project• Our vision• Requirements• Perspectives

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20 ME

2006

17,5 ME

2005

60 ME

2012

ParisRennes

Nantes

Sophia

SOFTEAM – a French IT services / Software vendor

• SOFTEAM, a growing company 20 years’ experience 700 experts Regular growth

• Specialist in OO technologies, new architectures, methodologies• Banking, Defense, Telecom,

…

www.modeliosoft.com

23 ME

2008

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Modelio for Software and System Engineering

• UML editor with 20 years’ history• SysML• MARTE• UTP• Code generation• Documentation• Teamwork

www.modeliosoft.com

• Available under open source at Modelio.org

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Modelio MDE workbench

www.modeliosoft.com

Goals (BMM) Business Rules

Business Processes (BPMN)

Requirements Enterprise Architecture

UML2SysMLSoaMLMARTE

C++ Java C#SQL Hibernate XSD, WSDL, BPEL D

ocum

ent P

ublis

her

Team

wor

k Man

ager

XMI

Modeling & Generation Utilities

Pyth

on sc

ripts

Java

API

Extensions

BusinessArchitect

SystemArchitect

Developer

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No man is an island, entire of itself…. working collaboratively in Modelio

• Limitations:• Requires Physical

Infrastructure• Management• Scaling...

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That’s why we need the cloud:The rise of ModelioSaaS

• Easy instantiation• Transparent replication• High speed accessibility• High availability• Load balancing• Scalability

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Sometimes one cloud is not enough! ModelioSaaS and the multi-clouds!

PrivateCloud

PublicCloud

A

PublicCloud

B

SecurityControl Legacy

Easy configurationCheap scaling

Opportunistic Migrations

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Ok, we want to be “on the cloud”… but which one?

Source: http://www.cloudxl.com/

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Got to the cloud? Now get out of it!

Network

Operating System

Filesystem Structure

Programming Language

API’s

My application

?

FP7-ICT-2011-8-318484www.modaclouds.eu

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How to avoid vendor lock-in?

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MODAClouds! (1/3)• www.modaclouds.eu• Integrated Project n. 318484 • October 1st 2012 – September 30th 2015

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MODAClouds! (3/3)

Network

Operating System

Filesystem Structure

Programming Language

API’s

My application

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Our vision: ModelioSaaS

ProjectManagement

Server

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The Project Management Server• Clients use it to…

• Contract services• Define QoS• Scale up, scale out…

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Requirements & Rationale

• Functional Requirements• Administration Service

• Configure• Supervise• Adapt

• Services:• Remote Model

Fragment• Modelling Conference

Service

• Rationale• Flexibility• Abstraction from cloud

provider/private cloud in the point of view of the client

• Support current services on the cloud• Profit from scaling

possibilities

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Requirements & Rationale

• Non-functional Requirements• Frameworks and cloud

provider independency• Commit to standards:

e.g. JEE • Public & Private clouds

• Availability• Security

• Rationale• Simplify

• Development• Migration• Maintenance

• Available but not critical

• Security• Sensitive data

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Envisaged Architecture

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Conclusion – Current Status• Prototype• Infra

• Private clouds• Eucalyptus

• Public clouds• Amazon EC2

• Framework: Standards• Java JEE, Webservices• SVN

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Conclusion – Perspectives(1/3)• Open questions?

• Which data structures will provide best performance for each service?

Design Deployment Maintenance

design-time runtime

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Conclusion – Perspectives(2/3)• Open questions?

• How to monitor the quality of the provided service in a cloud provider independent way?

• When and how to tweak the deployment to achieve the desired QoS?

• Which cloud provider/resource kind can run our services in a cost effective way?

Design Deployment Maintenance

design-time runtime

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Conclusion – Perspectives(3/3)• Perspectives: Open questions?

• What is the cost of migrating/running our services to/on another provider?

• What is the cost of migrating a given service from one server to another?

Design Deployment Maintenance

design-time runtime

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Thanks for your attention!

Questions?marcos.almeida@softeam.fr

http://rd.softeam.com/