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Client-server modelthe client can be a web browser or desktop application that a person interacts with to make requests to computer servers. A server can be services such as Amazon Elastic Compute Cloud (Amazon EC2), a type of virtual server. Cloud computing
Types of models for Cloud computing
Benefits of cloud computing
Intro to Amazon EC2
Amazon EC2 instance types
Amazon EC2 pricing
Amazon EC2 pricing
Scaling Amazon EC2Scalability involves beginning with only the resources you need and designing your architecture to automatically respond to changing demand by scaling out or in. Amazon EC2 Auto Scaling
Amazon EC2 instances based on predicted demand.
AWS Lamda
Containers
Amazon Elastic Container Service (Amazon ECS)highly scalable, high-performance container management system that enables you to run and scale containerized applications on AWS. Amazon Elastic Kubernetes Service (Amazon EKS)fully managed service that you can use to run Kubernetes on AWS. AWS Global infrastructure
Availability ZonesAn Availability Zone is a single data center or a group of data centers within a Region. Availability Zones are located tens of miles apart from each other. This is close enough to have low latency (the time between when content requested and received) between Availability Zones. However, if a disaster occurs in one part of the Region, they are distant enough to reduce the chance that multiple Availability Zones are affected. Edge locations
Provision AWS resources
AWS Elastic Beanstalk
AWS CloudFormationWith AWS CloudFormation, you can treat your infrastructure as code. This means that you can build an environment by writing lines of code instead of using the AWS Management Console to individually provision resources. Amazon Virtual Private Cloud (Amazon VPC)Amazon VPC enables you to provision an isolated section of the AWS Cloud. In this isolated section, you can launch resources in a virtual network that you define. Within a virtual private cloud (VPC), you can organize your resources into subnets. A subnet is a section of a VPC that can contain resources such as Amazon EC2 instances. Internet gatewayVirtual private gatewayThe virtual private gateway is the component that allows protected internet traffic to enter into the VPC. A virtual private gateway enables you to establish a virtual private network (VPN) connection between your VPC and a private network, such as an on-premises data center or internal corporate network. AWS Direct ConnectAWS Direct Connect is a service that enables you to establish a dedicated private connection between your data center and a VPC. Subnets and network access control lists
Network traffic in a VPC
Network access control lists (ACLs)
Stateless packet filtering
Security groups
Stateful packet filtering
Domain Name System (DNS)You can think of DNS as being the phone book of the internet. DNS resolution is the process of translating a domain name to an IP address. Amazon Route 53
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Which instances are ideal for shortOn-Demand Instances are ideal for short-term, irregular workloads that cannot be interrupted.
What can be done to minimize the cost of one off EC2 workloads?10 steps to minimize AWS costs. Delete unattached EBS volumes. ... . Delete aged snapshots. ... . Delete unattached elastic IP addresses. ... . Terminate zombie assets. ... . Upgrade instances to the latest generation. ... . Rightsize EC2 instances. ... . Apply start/stop schedules to non-production instances. ... . Purchase Reserved Instances whenever possible.. What are the 3 main pricing options with EC2?Amazon EC2 pricing. Amazon EC2 is free to try. There are multiple ways to pay for Amazon EC2 instances: On-Demand, Savings Plans, Reserved Instances, and Spot Instances. You can also pay for Dedicated Hosts, which provide EC2 instance capacity on physical servers dedicated for your use.
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