1. Informatics Society of IRAN (ISI) Cloud Computing Technology Overview
Prepared by:
Alireza Ahari Lahegh
May 2011

2. Overview of Cloud Computing Seminar :
Section 1: Definition
Section 2: Reference Model
Section 3: Delivery Models
Section 4: Security
Section 5: Service Providers and Customers
Section 6: Conclusion

3. Top 10 Technology Priorities in 2011
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Gartner :
Ranking
Top 10 Technology Priorities in 2011 1
Cloud Computing 2
Virtualization 3
Mobile Technologies 4
IT management 5
Business Intelligence 6
Networking, Voice and Data Communications 7
Enterprise Applications 8
Collaboration Technologies 9
Infrastructure 10
Web 2.0 and Web 3.0

4. Google Trends : 3/28 http://www.google.com/trends?q=cloud+computing
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Google Trends :
3/28

5. Why We Need Cloud Services ?
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Because We Need …………?
Traditional IT

6. Why We Need Cloud Services ?
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Traditional IT
Because We Need Green IT
Modern IT
5/28

7. Mega Datacenters 6/28 ahari@isi.org.ir Definition Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Mega Datacenters
6/28

8. Agility, Green, Scalability, Mobility, Cost Benefit
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Mega Datacenters
Gen 4 Modular Datacenter(Green D.C)
Agility, Green, Scalability, Mobility, Cost Benefit

9. Technologies and Concepts :
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Foundational Elements of Cloud Computing
Technologies and Concepts :
Virtualization
Grid Technology
Service Oriented Architectures
Broadband Networks
Free and Open Source Software
Web Application Frameworks
Service Level Agreements
8/28

10. 9/28 Virtualization Grid Computing SOA ahari@isi.org.ir Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Virtualization
Grid Computing
SOA
9/28

11. Cloud Software as a Service (SaaS)
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Cloud Computing = Software as a Service (pay-as-you-go) Platform as a Service Infrastructure as a Service
Cloud Software as a Service (SaaS)
Use Provider’s Applications Over a Network (Ex: CRM,ERP,SCM)
Cloud Platform as a Service (PaaS)
Deploy Customer-Created Applications To a Cloud
(Ex: Microsoft /.Net , Linux/J2EE )
Cloud Infrastructure as a Service (IaaS)
Rent Processing , Storage, Network Capacity, and other Fundamental Computing Resources
10/28

12. Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Cloud Computing = Software as a Service (pay-as-you-go) Platform as a Service Infrastructure as a Service
Cloud Software as a Service (SaaS)
Use provider’s applications over a network
Cloud Platform as a Service (PaaS)
Deploy customer-created applications to a cloud
Cloud Infrastructure as a Service (IaaS)
Rent processing, storage, network capacity, and other fundamental computing resources
11/28

13. Cloud Computing Reference Model
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Cloud Computing Reference Model
12/28

14. Cloud Computing Open Architecture Diagram
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
13/28

15. Cloud Delivery Models 14/28 Hybrid Cloud ahari@isi.org.ir Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Cloud Delivery Models
Hybrid Cloud
14/28

16. Mapping the Cloud to the Security Model
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Mapping the Cloud to the Security Model
SaaS
App Firewalls , AntiX , HIPS/IDS
CIA (Confidentiality , Integrity , Availability )
Firewall rules, QoS
IaaS
SNRS (Secure Network Routing & Switching ) , Network Hardening
PaaS
AAA( Authentication , Authorization , Accounting )
15/28
Data Center Security, Redundancy, DR

17. Trusted Computing ( Trusted Platform Module )
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Trusted Computing ( Trusted Platform Module )
Only Authorized Code Runs on a System.
Initial Booting , O.S kernel , Applications , Various Scripts
16/28

18. Cloud Service Providers
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Cloud Service Providers
Software
(SaaS)
Salesforce.com
e-Science Central
Google Docs
Google App Engine
Amazon
Elastic Map Reduce
Simple DB
Simple Queue Service
Platform
(PaaS)
Windows Azure
- Sharepoint
- SQL Services
- .Net services
Infrastructure
(IaaS)
Amazon EC2 & S3
17/28

19. Microsoft Azure Operating System With Cloud Services
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Microsoft Azure Operating System With Cloud Services
Microsoft’s Cloud Platform
Azure™ Services Platform
Source: Microsoft Presentation, A Lap Around Windows Azure, Manuvir Das
18/28

20. Facebook Uses Cloud Services
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Facebook Uses Cloud Services
500 Million Users + 250,000 New Users Per Day
There are over 900 Million objects That People Interact With (Pages, Groups, Events and Community Pages)
There are More Than 250 Million Active Users Currently Accessing Facebook Through Their Mobile Devices.
There are More Than 200 Mobile operators in 60 Countries Working to Deploy and Promote Facebook Mobile Products
Built on open Source Software
Web and App tier: Apache, PHP, AJAX
Middleware tier: Memcached (Open Source Caching)
Data tier: MySQL (Open Source DB)
Thousands of DB Instances Store Data in
Distributed System (Avoids Collisions of Many Users Accessing The Same DB)
19/28

21. Amazon Cloud Service Provider
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Amazon Cloud Service Provider
Amazon cloud components
Elastic Compute Cloud (EC2)
Simple Storage Service (S3)
New Features
Availability Zones
Place Applications in Multiple Locations For Failovers
Elastic IP Addresses
Static IP Addresses That can be Dynamically Remapped to point to Different Instances (not a DNS Change)
20/28

22. What Does Amazon Offer? Elastic Compute Cloud – EC2
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
What Does Amazon Offer? Elastic Compute Cloud – EC2
Instance Type
Memory
(RAM)
Compute Units
Storage
Platform
Linux CPU/Hour
Windows CPU/Hour
Small
1.7GB 1
160GB
32-bit
$0.10
$0.125
Large
7.5GB 4
850GB
64-bit
$0.40
$0.50
Extra Large
15GB 8
1690GB
$0.80
$1.00
High CPU,
Medium 5
350GB
$0.20
$0.30
High CPU, Large
7GB 20
$1.20
21/28
amazon.com/ec2/pricing/

23. What Does Amazon Offer? Simple Storage Service – S3
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
What Does Amazon Offer? Simple Storage Service – S3
Access
Fast
HTTP – REST or SOAP
Reliable
Secure
Access Control Lists (ACL)
Transfer uses SSL (encryption)
Can encrypt data at REST
Storage
US per GB
Europe per GB
First 50TB/Month
$0.150
$0.180
Next 50TB/Month
$0.140
$0.170
Next 400TB/Month
$0.130
$0.160
Over 500TB/Month
$0.120
22/28
amazon.com/ec2/pricing/

24. Amazon Cloud Users: New York Times and Nasdaq
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Amazon Cloud Users: New York Times and Nasdaq
New York Times
Used EC2 and S3 to convert 150 million scanned news articles to PDF (400TB data)
Rent 300 Linux computers 24 hours (would have taken months on NYT computers)
Nasdaq
Uses S3 to deliver historic stock and fund information
Millions of files showing price changes of entities over few Seconds
Created lightweight Adobe AIR application to let users view data
23/28
Infoworld .com/ article

25. Salesforce Service Provider (www.saleforce.com)
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Salesforce Service Provider (
Call Center Service
Incident Management Service
Complaint Tracking Service
Service Portal
e-voting Service
Voice and Video Conference Service
ERP
CRM
24/28

26. Top 8 Cloud Computing Companies
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Top 8 Cloud Computing Companies
25/28 24

27. Benefits of Cloud Computing
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Benefits of Cloud Computing
Security
Scalability
Availability
Performance
Cost-effective
Acquire resources on demand
Release resources when no longer needed
Pay for what you use
Turn fixed cost into variable cost 1
26/287

28. Cloud computing challenges
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Cloud computing challenges
Stable and High Network Bandwidth
Not Integrated Standard for Service Providers to Develop Cloud computing Services
Developers have Many Problems To Develop Scalable and Flexible Applications and Services
Security Problems if Not Comply Security Factors
Single Point of failure If Not Use Dual Home Service Providers
27/28

29. Future Research on Cloud Computing
Definition
Reference Model
Delivery Models
Security
S.P & Customers
Conclusion
Future Research on Cloud Computing
Operations Support System (OSS) and Umbrella Management For Cloud Services
Special Security Platform For Cloud Security Services
Integrated Standard For Cloud Service Providers
28/28

30. Thank You