1. Introduction to
Cloud Computing
Sivasubramaniam Arunachalam
March 02, 2013
@sivaa_in
http://barcampbangalore.org/bcb/bcb13/introduction-to-cloud-computing

2. It’s me!

3. It’s me!

5. It’s about you!
#bcb13
#cloud

6. Before We Get Started

7. Before We Get Started

8. Before We Get Started

9. Before We Get Started

11. (1) – (2) – (3)

12. (1) – (2) – (3)

13. New Technology
Standard
(1) – (2) – (3)

14. (1) – (2) – (3)

15. (1) – (2) – (3)

16. (1) – (2) – (3)

17. Overall processing power for computers
will double every two years. -
- Gordon Moore

18. Every 18 months software becomes
twice as slow.
- Larry Page

19. High Volume

20. High Volume
&
Fast

21. High Volume
&
Fast - Old requirements

22. High Volume
&
Fast - Old requirements

23. What is Cloud Computing?

24. Computers in the Sky?
Computers over Network?
Computers somewhere on the
internet?

25. • Network of Remote Servers

26. • Network of Remote Servers
• Accessed via Internet to

27. • Network of Remote Servers
• Accessed via Internet to
• Store

28. • Network of Remote Servers
• Accessed via Internet to
• Store
• Manage

29. • Network of Remote Servers
• Accessed via Internet to
• Store
• Manage
• Process

30. • Network of Remote Servers
• Accessed via Internet to
• Store
• Manage
• Process
Data

31. • Network of Remote Servers
• Accessed via Internet to
• Store
• Manage
• Process
* rather than a local server
Data

33. illusion of
Infinite Supply

36. Snow Ball Effect

37. Virtualization
is matured

39. Abstraction

40. Virtualization
enables

41. Compute Clouds
Virtualization
enables

42. Compute Clouds
needs
Storage Clouds
Virtualization
enables

43. Compute Clouds
needs
Storage Clouds
Virtualization
enables
both requires
Virtual Network

44. Compute + Storage Clouds
enables

45. Cloud Infrastructures
enables
Compute + Storage Clouds
enables

46. Cloud Infrastructures
enables
Compute + Storage Clouds
enables
Cloud Platforms
enables

47. Cloud Infrastructures
enables
Compute + Storage Clouds
enables
Cloud Platforms
enables
Cloud Applications

48. Cloud Infrastructures
enables
Compute + Storage Clouds
enables
Cloud Platforms
enables
Cloud Applications

49. The Players

50. The Base is

51. The Base is
Hardware

52. The Base is
Hardware
• Computer

53. The Base is
Hardware
• Computer
• Disk

54. The Base is
Hardware
• Computer
• Switch
• Disk

56. Cloud Computing Enablers
(Technology Vendors)

57. Cloud Computing Enablers
(Technology Vendors)
Servers

58. Cloud Computing Enablers
(Technology Vendors)
Servers Network

59. Cloud Computing Enablers
(Technology Vendors)
Servers Network Storage

60. Cloud Service
Providers/Resellers

61. Cloud Service Users

62. Service Models

63. XaaS
“X” as a Service

64. Infrastructure as a service (IaaS)
Platform as a service (PaaS)
Software as a service (SaaS)

65. Network as a service (NaaS)
Storage as a service (StaaS)
Desktop as a service (DaaS)

66. Security as a service
Data as a service
Database as a service
Communication as a service

67. Security as a service
Data as a service
Database as a service
Communication as a service
* and much more

68. IaaS

69. IaaS
• Cloud Infrastructure

70. IaaS
• Cloud Infrastructure
• ~ Hardware for Rent

71. IaaS
• Cloud Infrastructure
• ~ Hardware for Rent
• 3 Major Services
• Compute (Server)
• Storage
• Network

72. IaaS (Contd…)
• You are the King

73. IaaS (Contd…)
• You are the King
• OS
• Upgrades / Updates
• Security
• Availability

74. IaaS (Contd…)
• You are the King
• OS
• Upgrades / Updates
• Security
• Availability
* Full Control Over Environment & Infrastructure

75. IaaS Providers
• Amazon EC2 & S3
• GoGrid
• Nirvanix
• Lindode

76. PaaS

77. PaaS
• Cloud Platforms

78. PaaS
• Cloud Platforms
• Developer Friendly

79. PaaS
• Cloud Platforms
• Developer Friendly
• Auto Tools
• Deploy
• Run
• Maintain your apps

80. PaaS (Contd…)
• You are the Minister

81. PaaS (Contd…)
• You are the Minister
• OS / Upgrades / Updates
• Security / Availability

82. PaaS (Contd…)
• You are the Minister
• OS / Upgrades / Updates
• Security / Availability
• Containers / Closed Environments
• Limited Tools / Libraries
• Managing other dependencies is a pain

83. PaaS (Contd…)
• You are the Minister
• OS / Upgrades / Updates
• Security / Availability
• Containers / Closed Environments
• Limited Tools / Libraries
• Managing other dependencies is a pain
* Zero Control Over Environment & Infrastructure
* Limited Control on the Platforms

84. PaaS Providers
• Google App Engine
• HeroKu
• Mosso (Rackspace Cloud)
• Engine Yard(Rails & PHP)
• Joyent(Early days of Twitter &
Linkedin)
• Force.com

85. SaaS
• Cloud Applications

86. SaaS
• Cloud Applications
• Personal & Business Apps/Tools

87. SaaS
• Cloud Applications
• Personal & Business Apps/Tools
• Free/Paid

88. SaaS
• Cloud Applications
• Personal & Business Apps/Tools
• Free/Paid
• Freemium
• Load / Volume
• Additional Features

89. SaaS(Contd…)
• You are the Citizen

90. SaaS(Contd…)
• You are the Citizen
• Everything is managed

91. SaaS(Contd…)
• You are the Citizen
• Everything is managed
* Zero Control Over Environment, Infrastructure & Platforms
* Limited Control on the Applications (Configurations)

92. SaaS Providers
• SalesForce.com
• Google Apps
• Yahoo Mail
• Zoho

93. DaaS
• Virtual Desktop Infrastructure

94. DaaS
• Virtual Desktop Infrastructure
• Everything is managed
• Including Software licenses

95. DaaS
• Virtual Desktop Infrastructure
• Everything is managed
• Including Software licenses
• BYOD
• Security Tokens (RSA)

96. DaaS (Contd…)
• Virtual Desktops on Mobiles
• Andriod
• iOS
• Win *

97. DaaS (Contd…)
• Virtual Desktops on Mobiles
• Andriod
• iOS
• Win *
• Desktone, Citrix

98. StaaS

99. StaaS
• Primary
• Secondary (backup)
• Archiving
• Disaster Recovery

100. StaaS
http://gigaom.com/2013/02/19/whos-the-best-cloud-storage-provider-microsoft-says-nasuni-but-it-still-likes-amazon/

101. Availability

102. High
Availability

103. 99%

104. % ~ Time

105. % ~ Time
99

106. % ~ Time
99
99.9

107. % ~ Time
99
99.9
99.99
99.999
99.9999

108. % ~ Time
99
99.9
99.99
99.999
99.9999
88 Hours

109. % ~ Time
99
99.9
99.99
99.999
99.9999
88 Hours
8.8 Hours

110. % ~ Time
99
99.9
99.99
99.999
99.9999
88 Hours
8.8 Hours
53 Minutes

111. % ~ Time
99
99.9
99.99
99.999
99.9999
88 Hours
8.8 Hours
53 Minutes
5.3 Minutes

112. % ~ Time
99
99.9
99.99
99.999
99.9999
88 Hours
8.8 Hours
53 Minutes
5.3 Minutes
32 Seconds

113. % ~ Time
99
99.9
99.99
99.999
99.9999
88 Hours
8.8 Hours
53 Minutes
5.3 Minutes
32 Seconds

114. Yahoo!

115. Yahoo! Delta Airlines

116. is down for 5
minutes?
Yahoo! Delta Airlines

117. is down for 5
minutes?
Yahoo! Delta Airlines
~ 2.5 Lakhs

118. is down for 5
minutes?
Yahoo! Delta Airlines
~ 2.5 Lakhs~ 0

119. Google

120. Google
is down for 5 minutes?

121. Google
is down for 5 minutes?
~ 1/2 million dollars

122. Google
is down for 5 minutes?
~ 1/2 million dollars
+ Brand Value

123. 90% Availability

124. 90% Availability
0% Data Corruption

125. Recovery = 3 x Backup

126. Storage is Crucial in the
Cloud

127. The $$$ Factor

128. CapEx

129. CapEx
OpEx

130. CapEx
OpEx
* setup cost

131. Architecture
(Deployment Models)

132. Private Cloud

133. Private Cloud
Internal

134. Private Cloud
Internal
On Premise

135. Public Cloud

136. Public Cloud
External

137. Public Cloud
External
Off Premise

138. Virtual Private Cloud

139. Virtual Private Cloud

140. Community Cloud

141. Hybrid Cloud

142. Hybrid Cloud
Public + Private

143. Hybrid Cloud
Public + Private
(Compute)

144. Hybrid Cloud
Public + Private
(Compute) (Storage)

145. Hybrid Cloud
Public + Private
(Compute) (Storage)
• Application
• Web
• Static

146. Hybrid Cloud
Public + Private
(Compute) (Storage)
• Application
• Web
• Static
• Database
• MQ
• User Content

147. Single Tenant

148. Single Tenant
Dedicate Stack
per Customer

149. Single Tenant
Dedicate Stack
per Customer
Individual
• Configuration
• Monitoring
• Tuning
• Updates
• Upgrades
• Patches
• Disaster Recovery

150. Multi Tenant

151. Multi Tenant
Single Logical
Environment

152. Multi Tenant
Single Logical
Environment
Individual
• Configuration
• Monitoring
• Tuning
• Updates
• Upgrades
• Patches
• Disaster Recovery

153. Multi Tenant
Single Logical
Environment
Individual
• Configuration
• Monitoring
• Tuning
• Updates
• Upgrades
• Patches
• Disaster Recovery
One Action for
All Customers

154. You didn’t get it?

155. You didn’t get it?

156. The Balancing Act

158. Week Day

159. Week Day
Week End

160. Adoption

161. Enterprises

162. Small
Mid Size
Large
Enterprises

163. Small
Mid Size
Large
Enterprises
Most Things

164. Small
Mid Size
Large
Enterprises
Most Things
Many Things

165. Small
Mid Size
Large
Enterprises
Most Things
Many Things
Some Things

168. “Dropbox employees aren’t able to access user
files, and when troubleshooting an account, they
only have access to file metadata (filenames,
file sizes, etc. not the file contents).”
http://www.techrepublic.com/blog/security/dropbox-convenient-absolutely-but-is-it-secure/5618
(Version #1)

169. “Dropbox employees aren’t able to access user
files, and when troubleshooting an account, they
only have access to file metadata (filenames,
file sizes, etc. not the file contents).”
http://www.techrepublic.com/blog/security/dropbox-convenient-absolutely-but-is-it-secure/5618
WHAT?
(Version #1)

170. “Dropbox employees aren’t able to access user
files, and when troubleshooting an account, they
only have access to file metadata (filenames,
file sizes, etc. not the file contents).”
“Dropbox employees are prohibited from viewing
the content of files you store in your Dropbox
account, and are only permitted to view file
metadata (e.g., file names and locations).”
http://www.techrepublic.com/blog/security/dropbox-convenient-absolutely-but-is-it-secure/5618
WHAT?
(Version #1)
(Version #2)

172. Technically possible as per #1

173. How to build the trust?

174. https://aws.amazon.com/security

175. https://aws.amazon.com/security
standards/certificates/compliance

177. Mega Upload

178. Netflix

179. No matured standards for interoperable

180. - Open Cloud Consortium
No matured standards for interoperable

181. Compliance

182. Compliance
• Country/State wise

183. Compliance
• Country/State wise
• Local Laws

184. Compliance
• Country/State wise
• Local Laws
(India)

185. Quick Facts
• 450 B $ (2012)
• 1997 - Steve Jobs
• Microsoft – 90% (2011)
• Dell’s Trademark Attempt 2008

186. Major Vendors
• Windows Azure
• Amazon Web Services
• IBM Smart Cloud
• vmware
• Rackspace Cloud
• Google App Engine
• Heroku
• Force.com
• HP Cloud Services
• OpenShift
• OpenStack
• Skytap
• Enlight cloud
• GoGrid
• Engine Yard

188. Questions?

189. Thank You!
siva@sivaa.in
bit.ly/sivasubramaniambit.ly/sivaa_in

190. References
• http://www.clker.com/cliparts/t/g/H/u/s/x/yellow-three-candle-cake-md.png
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• http://carolemanleydotcom.files.wordpress.com/2013/02/tip7-ostrich2.jpg
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