Discover application resiliency and failover, and the reason behind using multiple Availability Zones and optionally multiple Regions.
- [Instructor] Let's consider a situation … where an application must always be up and available. … Using two availability zones … means you're hosting your application in two data centers, … definitely more than one. … So let's add some servers. … So we add a web server in one availability zone. … We add another web server in the other availability zone. … We put a load balancer in front of our web servers. … The load balancer adds a layer of protection, … protecting our instances from the outside world, … and targets the instances based on the user requests … to the application. … What happens if one of the servers fails completely? … We still have resources in the other availability zone … that handle the user requests. … Let's add a database, a master database, … the read/write copy of the database hosted … in one availability zone, … and the other availability zone, … the standby database that accepts replication … from the master database, … ensuring that the records are up-to-date …
- Creating a VPC
- Creating subnets
- Default and custom route tables
- IP addressing
- Creating security groups
- Configuring an internet gateway
- Peering VPCs together
- Sharing VPC resources
- Creating flow logs for monitoring
- Controlling access with IAM roles
- Dedicated tenancy
- Using automation for compliance
Skill Level Intermediate
What you should know2m 7s
1. VPC Architecture
2. Creating VPCs
3. Creating Subnets
4. IP Addressing
5. VPC Security
6. VPC Public Connectivity
7. VPC Private Connectivity
8. VPC Compliance
Next steps1m 23s
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