Designing Active-Active and Disaster Recovery Data Centers

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This webinar covers typical design scenarios encountered when building a disaster recovery data center or deploying multiple data centers in an active-active configuration.

13:57 Introduction

In the fist section of this webinar we'll try to figure out why we'd want to migrate application workload between data centers, and define a few useful terms like RTO, RPO, MTTR and MTTI.

Introduction and Definitions 13:57 2017-03-28

49:45 Free items Typical Challenges

There are four typical reasons why you'd want to migrate application servers between data centers: migration, disaster recovery or avoidance, and workload load balancing.

Disaster Recovery 6:50 2017-03-28
Disaster Avoidance 29:46 2019-10-12
Data Center Migration 2:47 2017-03-28
Load Balancing Across Data Centers and Cloudbursting 10:22 2017-03-28

28:17 Limitations and Considerations

A number of factors limit our ability to deploy servers across multiple data centers: latency, bandwidth limitations, and data gravity.

Latency 8:09 2017-03-28
Limited Bandwidth 10:55 2017-03-28
Storage considerations 9:13 2017-03-28

16:12 Typical Solutions

Well-designed active-active applications used "swimlanes" - a concept where multiple copies of an application stack reside in different locations.

Parallel Application Stacks (Swimlanes) 16:12 2017-03-28
Describing Fault Domains

A great introduction to fault domains, fault levels, cascading failures, and fault hierarchy.

31:34 Free items Long-Distance VM Mobility Challenges

Instead of redesigning applications to make them work across multiple data centers, enterprise environments typically try to solve the challenges within the infrastructure, sometimes even moving running servers between data centers. This section describes most obvious drawbacks of that idea.

Inter-DC vMotion Bandwidth 6:04 2017-05-02
Large Layer-2 Domains 9:27 2017-05-02
Ingress and Egress Traffic Flows 16:03 2017-05-02

42:37 Summary & Questions

Time for a wrap-up. We'll discuss the right way of doing things, surviving infrastructure failures, and typical real-life designs.

Surviving the Failures 15:37 2017-05-02
The Right Way of Doing Things 10:12 2017-05-02
Typical Real-Life Designs 9:05 2017-05-02
Summary and Questions 7:43 2017-05-02

Additional Resources

Slide Deck 11M 2015-11-07
Interesting links 150K 2017-10-04
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