database and public endpoints redundancy on azure (cloudbrew)
DESCRIPTION
This is the perfect session if you need to design a solution that needs to run over Windows Azure and needs to be available 24 hours every day, 7 days per week. We will discuss different concepts and solutions to have databases and/or public API’s available even if a part of cloud infrastructure will be down. Topics like automatically backups, failover mechanism, traffic manager and redundancy will be discussed.TRANSCRIPT
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RADU VUNVULEA MCTS MCP BANK HOME AUTOMATION
MVP ENTERPRISE
AUTOMOTIVE PHARMA
LEAN AND AGILE E-COMMERCE
WEB iQuest
AZURE JAVASCRIPT VUNVULEARADU.BLOGSPOT.COM
MOBILE DOTNET @RaduVunvulea
WCF WPF ENTHUSIASTIC
redundancy Microsoft Azure minimum cost
Information
Error detection
Correction
Time
Transient Fault Detection
Software
N-versions Programming
Hardware
Dual Modular Redundancy
Triple Modular Redundancy
Time
Transient Fault Detection
Software
N-versions Programming
Hardware
Dual Modular Redundancy
Triple Modular Redundancy
Information
Error detection
Correction
Software
N-versions Programming
Hardware
Dual Modular Redundancy
Triple Modular Redundancy
Information
Error detection
Correction
Time
Transient Fault Detection
AUTOMATION
• Free
• DNS
<LoadBalancerProbes> <LoadBalancerProbe
name="FooProbe" protocol="http"
intervalInSeconds="30" path="/api/probe" port="80"
timeoutInSeconds="60" /> </LoadBalancerProbes>
• VM, Web/Worker Roles, DB and many more
• External Endpoints
• Is not FREE (1B DNS query = $0.75)
• DNS TTL
• Compute 99.95% 21.6m
• SQL Database 99.90% 43.2m
• Storage 99.90% 43.2m
• Storage (RA-GRS) 99.99% <8m
• Active Directory 99.90% 43.2m
• Cache 99.90% 43.2m
• VM 99.95% 21.6m
• Service Bus 99.95% 21.6m
• Downtime per month: 216m21.6*2+43.2*4=216m
• Downtime per month: 216m21.6*2+43.2*4=216m
• Downtime per month: 0.5%(100/43200)*216=0.5%
• Downtime per month: 216m21.6*2+43.2*4=216m
• Downtime per month: 0.5%(100/43200)*216=0.5%
• Uptime: 99.5%100-0.5=99.5%
• Compute 99.95% 21.6m
• SQL Database 99.90% 43.2m
• Storage 99.90% 43.2m
• Storage (RA-GRS) 99.99% <8m
• Active Directory 99.90% 43.2m
• Cache 99.90% 43.2m
• VM 99.95% 21.6m
• Service Bus 99.95% 21.6m
Relay
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12
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CHECK HEALTH STATUS OF
OTHER SERVICES
M T B F
M T T R
Question
Answers
{“name” : “Radu Vunvulea,
“blog” : “vunvulearadu.blogspot.com”,
“email” : ”[email protected]”,
“socialMedia” :
{
“twitter” : “@RaduVunvulea”,
“fb” : “radu.vunvulea”
}
}
