Application Scalability In the Cloud

Bob Roudebush

Director of Sales Engineering, BlueLock, LLC

Do these ________ make my _________ look fat?

Does this _______ make my app look fat?

Traditional Infrastructure v. Cloud Infrastructure

Application

Operating System

Hardware

Facility

Software-as-a-Service

Platform-as-a-Service

Infrastructure-as-a-Service

Movin’ On Up…To The Sky

• Can computing power be scaled (↕) if needed?

– Assign/Re-Assign RAM and CPU

– Tiered SAN Performance

• Is Infrastructure being “over provisioned”?

– Over-allocation of RAM and CPU

– Storage I/O Performance

• How high can the underlying platform scale?

– Software Models: VPS, VMware, Xen, Hyper-V

– Storage Architecture Capacity

Scale-Out As An Alternative to Scale-Up

• Requires Application Rearchitecture

– Configuration as Coding

• Ideal for Web-Facing Applications

– App/Web Horizontal Scale, DB Vertical Scale

– Additional Availability Benefits

• Good Candidates for PaaS

– .NET Azure, Ruby w/Heroku, etc.

Summary

• Gartner: by 2012, 80% of Fortune 1000 enterprises will be leveraging cloud computing in some way.

• BlueLock, founded in 2006, provides multiple IaaS cloud hosting offerings.