Vmug cloud-sept2010-convert

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


» Before we start… a CAVEAT


» E-Week, June 21, 2010» Sign of frustration in the marketplace


» Why is cloud computing hard to define?

» Answer: Every vendor defines cloud computing in a different way (including me)


» FAIL!


MY DEFINITION:

THE PACKAGING OF COMPUTING RESOURCES AS A METERED SERVICE.

…A SET OF BUSINESS PROCESSES COMBINED WITH

TECHNOLOGY.


Abstractionof

infrastructure

Elastic services

Utility billing model

Simple self service API

» Cloud Computing service attributes:


» 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


» 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


» 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


» Cloud computing misperceptions…

» #1: Cloud computing requires a hypervisor.


» 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)



» #2: The virtualization of traditional apps is driving cloud computing.


» 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



» #3: Cloud computing requires server HA


» 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


» #4: VMWare is the most popular cloud computing hypervisor.


» 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…


» VMWare took its time coming to the cloud party» Finally support utility pricing and a basic cloud platform (vCloud Director) –

2010!!


» 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


» 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)


» 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


» 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

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