Bar Camp Dehi - 3

The Importance of On-Demand computing environment for scalable and highly available Web 2.0 Applications Digvijay “VJ” Singh –dsingh@navisite.com Mukul Sharma - musharma@navisite.com Start Your Company- don’t break your bank 3 Months Free on-demand hosting for Sun Startup Essentials Partners

What’s in it for an Entrepreneur?? Abhijit Bhattacharjee Product Management and Wishful entrepreneur 

They Get Big

Web 2.0 Application??
228 million member photos
2.47 billion guestbook comments
20% of members visit the site daily
24 minutes a day spent by an average user
10 guestbook comments per photo
1,000 people or more see a photo on average
7 million members and counting
“ explosive growth in Europe”
Italy and Spain among the fastest-growing countries
Recently broke the 500K photos uploaded a day record
90 million page views

scalability
not
Raw Speed / Performance
HA / BCP
Technology X
Protocol Y
So what is scalability?
Traffic growth
Dataset growth
Maintainability

High Availability???
High Availability (HA) is a design and implementation that ensures a certain degree of operational continuity.
In other words…
The site is up
The users are happy
The business is not losing money due to outages
(And the system doesn’t cost more than it’s worth)

What are the types??
Vertical scaling
Horizontal Scaling

So it’s very important for you to understand
the hardware platform you are going to
Employ……………

So what’s better?
The best is a balance between the two and
very much depends on the time lines or the
product roadmap

Computing on Demand???
Sun Microsystems – The network is the computer

Virtualization Options

Types of Hosting
Shared – single instance multi tenant
Dedicated – single instance single tenant
Co-location – Space, Power, Bandwidth
Molo – Managed Hosting – Fully Managed
Own Datacenter – Inhouse – Costly, Bank Breaking
The Question – Support and Accountability
How to Measure computing and Support

The Answer is “S L A” – Service Level Agreements
Why have an SLA in Place?
Who has an SLA?
Who does not have an SLA?
On-Demand Services?

We have 3 months of free hosting for Sun Startup Essentials members………

Thanks Q&A

Bar Camp Dehi - 3

by Digvijay Rathore on Dec 10, 2007

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Bar Camp Dehi - 3 — Presentation Transcript