Distributed Hosted ArchitectureThe third Tenancy Model

Fabrice Cathala3-april-2006(edited version to preserve confidentiality)

2

Agenda

Problem Cloud Computing: Fears & Reluctance The “Firewall Feeling”

Solution Distributed Hosted Architecture

3

Cloud Computing: Fears & Reluctance

Whatever true or not, companies often consider cloud computing less secure than their own infrastructure (see “the Firewall feeling”)

Companies are also concerned by data privacy issues when storing their business critical information out of their boundaries

The Distributed Hosted Architecture answers these two concerns

4

The “Firewall Feeling”…

Inside the firewall

Business

Confidential Information

IT

Outside the firewall

Hackers attacks… Customers Internet Infrastructure (DNS) Vendors

Public Information

Cloud Computing

CONTROLED ENVIRONMENT POTENTIAL THREAT

5

Distributed Hosted Architecture

Distributed Hosted Architecture

Customer data is physically stored within the company infrastructure Application meta-data and business logic are stored in the cloud Customer data is served on the fly by an appliance paired with the

cloud application

CustomerData

Traditional Cloud Computing