vmug cloud-sept2010-convert
TRANSCRIPT
Cloud Computing: Architecture, Misperceptions & Predictions
Jason BakerCTO, VISISeptember, 2010
What is cloud computing?
Predictions
VMWare Challenges
Cloud Computing MisperceptionsAbout
© 2010 VISI. All Rights Reserved. 2
» VISI provides datacenter, managed hosting, & cloud services» Subsidiary of NYSE: TDS (Fortune 500)» Over 4000 business customers» Two datacenters: Eden Prairie & St. Paul (SAS 70 Type II)» EP will be 1st Tier-3 Design Certified Retail DC facility in Twin Cities market» Launched ReliaCloud platform Feb 2010 – building 2nd Gen now» VMWare Partner
© 2010 VISI. All Rights Reserved. 3
» Before we start… a CAVEAT
© 2010 VISI. All Rights Reserved. 4
» E-Week, June 21, 2010» Sign of frustration in the marketplace
© 2010 VISI. All Rights Reserved. 5
» Why is cloud computing hard to define?
» Answer: Every vendor defines cloud computing in a different way (including me)
© 2010 VISI. All Rights Reserved. 6
© 2010 VISI. All Rights Reserved. 7
» FAIL!
© 2010 VISI. All Rights Reserved. 8
MY DEFINITION:
THE PACKAGING OF COMPUTING RESOURCES AS A METERED SERVICE.
…A SET OF BUSINESS PROCESSES COMBINED WITH
TECHNOLOGY.
© 2010 VISI. All Rights Reserved. 9
Abstractionof
infrastructure
Elastic services
Utility billing model
Simple self service API
» Cloud Computing service attributes:
© 2010 VISI. All Rights Reserved. 10
» Cloud Computing service models:
Infrastructure-as-a-Service
(IaaS)• Operating system and
storage exposed to user
• Mimics traditional systems architecture
• Supports legacy applications
• Amazon, Rackspace, ReliaCloud, vCloud
Platform-as-a-Service (PaaS)
• API’s exposed to user• Requires porting
applications or re-writing from ground up
• Allows for scaling applications without infrastructure knowledge
• Azure, Force.com, Google App
Software-as-a-Service (SaaS)
• Web application exposed to user
• Requires uploading of data into application
• No need to code or manage
• Salesforce.com, Flickr, Microsoft BPOS
© 2010 VISI. All Rights Reserved. 11
» Cloud Computing deployment models:Public Cloud•Multi-tenant •Shared architecture
and resources•Pro: Cheaper, more
scalable•Con: Noisy neighbor,
no QOS
Private Cloud•Single-tenant
architecture•Pro: QOS guarantees,
security•Con: Expensive,
harder to scale
Hybrid•Connecting
Public/Private cloud architectures
•Looks like a Public Cloud
•Pro: Flexibility, scalability
•Con: Integration
© 2010 VISI. All Rights Reserved. 12
» Is there such a thing as on-premise “Private Cloud”?
» Advocates: Virtualization = Cloud computing. » Private cloud is to cloud computing what intranet is to the Internet
» Detractors: Cloud computing is an outsourcing business model.» Buying a genset from HD doesn’t turn you into
power company» Private clouds exist for vendors to sell stuff
The Great Debate
© 2010 VISI. All Rights Reserved. 13
» Cloud computing misperceptions…
» #1: Cloud computing requires a hypervisor.
© 2010 VISI. All Rights Reserved. 14
» Cloud computing does not require a hypervisor.» End-user doesn’t know or care» Host SaaS companies that don’t use virtualization» Many cloudy architectures don’t use a hypervisor
Yahoo 8k-node Hadoop Farm (82PB)
Map-Reduce / Hadoop File System (HDFS)
© 2010 VISI. All Rights Reserved. 15
» Cloud computing misperceptions…
» #2: The virtualization of traditional apps is driving cloud computing.
© 2010 VISI. All Rights Reserved. 16
» New applications are driving cloud adoption» Gluecon (Boulder,Co) experience» App developers write apps to scale from 1 server to 10k servers» Traditional apps not designed to scale horizontally» New gen developers don’t care about hypervisor or infrastructure
plumbing» SaaS, Test/Dev, Start-ups, New apps driving adoption
© 2010 VISI. All Rights Reserved. 17
» Cloud computing misperceptions…
» #3: Cloud computing requires server HA
© 2010 VISI. All Rights Reserved. 18
» Cloud computing doesn’t require HA» Many cloud providers don’t support HA (persistence) » Easy to load balance & horizontally scale web applications» Now developers are scaling databases without clustering
© 2010 VISI. All Rights Reserved. 19
» #4: VMWare is the most popular cloud computing hypervisor.
© 2010 VISI. All Rights Reserved. 20
» Well, depends on how you define cloud computing.» Tier1Research (HTS 2010) reports Amazon (Xen-based) owns 50% of cloud
market» “Private” cloud installations predominantly Vmware
Amazon50%
Everyone else50%
Market Share
RackspaceGoGrid
OpsourceTerremarkReliaCloud
Etc…
© 2010 VISI. All Rights Reserved. 21
» VMWare took its time coming to the cloud party» Finally support utility pricing and a basic cloud platform (vCloud Director) –
2010!!
© 2010 VISI. All Rights Reserved. 22
» vCloud Express had problems competing against Amazon cloud juggernaut » Some vCloud providers now building Xen-based cloud platform alternatives
(cost – 1/10th)» Giving away vCloud Director = big push for market share
© 2010 VISI. All Rights Reserved. 23
» Cloud bursting more theory than practice, stepping-stone» Only example I know of is Enstratus customer» Last-mile bandwidth still a hurdle» Computing easy to move, storage is hard (1PB is sticky)
© 2010 VISI. All Rights Reserved. 24
» VMWare is still the best hypervisor/virtualization technology» Bullish on short term prospects» Balancing act for VMWare: generate enterprise license revenue & features
while moving to cloud distribution model» Adapt to a world where traditional apps will decline
© 2010 VISI. All Rights Reserved. 25
» Most new, and a majority of existing applications will move to SaaS/PaaS in next 20 years
» Corporate campus datacenters will disappear for all but the largest or most strategic organizations in the next 30 years
» Invite me back in 2040!
© 2010 ReliaCloud. ReliaCloud and the related logos are trademarks of ReliaCloud. 26
Thank [email protected]
#jasondbaker