A short history of cloud computing, and why Platform as a Service (PaaS) is an important aspect of this technology. Presented at bcs Oxfordshire, February 2014
4. Developer Advocate @ Cloud Foundry
!
maker, hacker, educator, LEGO fan
podcaster, writer
Open Source contributor
Eclipse Project Lead (Paho / MQTT)
!
excited by “what’s next”, Internet of Things, etc.
a few things about me
8. 29% an actual cloud
51% believe affected
by weather
54% say they never
use (but 95% turn out
to do so)
20% pretend to know
...
16% know it means
computer services
68% say it’s good,
when explained...
What the heck is
“The Cloud”?
Citrix study (1,006 person survey)
9. 1. Cloud, and how we got here
2. Platform as a Service?
3. Why Open Source will rule the Cloud
11. 1st
MAINFRAME
3rd
CLOUD
Automation of
financial
accounts
ISAM
2nd
CLIENT-SERVER
& WEB
Automation of
most paper processes:
ERP, CRM, Email, …
pioneered by new Consumer
Internet giants – requires a new
Application Fabric
New Data-fabrics
Mainframes
c. 1960s-1980
New Experiences
New Biz Models
Relational
Databases
Mini’s & PC’s
c. 1980s-2000s
Eras of Computing
Cloud-Enabled
Datacenter
mid-2000s … now
19. Characteristics of the Cloud
•
vast scale
•
decreasing cost
•
agility of delivery (even at scale)
•
rapid data analysis and iteration (“big data”)
•
innovation
25. From: torvalds@klaava.Helsinki.FI
Newsgroups: comp.os.minix
Date: 25 Aug 91 20:57:08 GMT
Organization: University of Helsinki
1991
An important year in software
Hello everybody out
there using minix !
I’m doing a (free)
operating system
(just a hobby,
won’t be big and
professional like
gnu) for 386(486)
AT clones.
40. Image credits
!
• Happy Tux http://igloo.crystalxp.net/ZeNDaMs
• Signpost http://www.flickr.com/photos/16002150@N08/2006266695/
• open road https://secure.flickr.com/photos/stuckincustoms/2049233526/
• lego world MOC https://secure.flickr.com/photos/dirkb86/8554933153/
• Other images are author’s own, or royalty-free and CC-licensed works
from Wikimedia Commons