Amazon Web Services (AWS), a world-famous cloud provider, is widely recognized. However, if you are new to AWS and cloud terminology, it can be confusing and difficult to understand the concepts.
However, you will find that the technologies are constructed with elements similar to those found in an on-premise network environment. Let’s start by introducing five of the most important AWS networking tools.
1. Amazon VPC
A virtual private cloud (VPC) from Amazon is the first tool in AWS networking. The VPC is the first tool for any Amazon cloud user. You receive a pre-made default VPC when you make your first cloud purchase. It’s your piece of the cloud. It is private, so you can access it and manage its usage. It’s not dependent on expensive equipment in your company’s rented space for data center.
Since the 1990s internet boom, the network hosting industry has existed. The VPC is a virtual network hosting environment that allows you to leave all of that behind in the 20th century. The VPC is a virtual network hosting environment that has capabilities similar to those found in physical facilities.
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Consider the similarities when you start training. Every network requires an internet connection. In the AWS world, these are called internet gateways. Route tables were once the domain of dedicated physical routers. They are now maintained in the VPC to direct traffic. The VPC manages firewalls by maintaining network access control lists (NACLs). EC2 instances manage the CPU and memory, as well as the networking capacities, that were once entrusted by us to various network devices.
2. Amazon Route 53
Domain name service (DNS), configuration is another important tool in your AWS networking toolset. DNS is a way to correlate IP addresses with domain names. It is a telephone directory for domains. The name refers to the TCP or UDP port number used by DNS. Users would not be able to access any internet services offered by a company without DNS capability. DNS servers direct users to the desired server.
Amazon’s DNS tool does more than just associate a domain URL and an IP address. Route 53 can be used to map domain names to AWS resources, such as an Amazon S3 bucket or an EC2 instance.
You can also set up DNS failover to redirect the user to a backup resource in the event that the primary one fails. Route 53 can be used to monitor the health and performance of your web servers or applications.
3. Amazon Elastic Load Balancencing
There have been horror stories of servers being crashed due to sudden surges in internet traffic. To accommodate such situations, load balancing techniques were created. These services are provided by Amazon’s Elastic Load Balancing tool (ELB). AWS offers three types of load balancing capabilities:
Classic Load Balancing
Network Load Balancing (NLB)
Application Load Balancing (ALB)
Let’s take a closer look. Classic load balancing is only for Amazon EC2-Classic networks, not EC2-VPC. These are no longer recommended and should be stopped. Layer 4 network load balancing uses the TCP protocol. NLB is used for extreme performance networking. ALB is extremely useful in modern cloud environments. It is very useful for containers and microservices. It operates at layer 7, which handles HTTP traffic.
AWS is a common platform for application load balancing. Traffic can be balanced across multiple EC2 instances by using target groups. ALBs can either be path- or host-based. ALBs with Amazon Elastic Load Balancencing are great because you can efficiently distribute traffic to multiple cloud resources without the user knowing. ALBs offer more power and flexibility than today’s cloud applications due to their scalability.
4. AWS Transit Gateway
It’s fine to set up scalable services on AWS, but it doesn’t matter what.