Networking Services Flashcards
Amazon Route 53
a DNS service that routes users to applications
- provides domain name registration
- performs health checks on AWS resources
- supports hybrid cloud architectures
IP Address
the address for a computer/server
Domain Name
easy remember name for accessing a server
DNS
Domain Name System
- directs internet traffic by connecting domain names with web servers
AWS Direct Connect
a dedicated physical network connection from an on-prem data center to AWS
Benefits of Direct Connect
- super fast
- data travels over a private network
- supports a hybrid model
When to use Direct Connect?
- to transfer large datasets to AWS
- to transfer internal data directly to AWS bypassing the public internet
- to build hybrid environments
AWS VPN
a site-to-site VPN which creates a secure connection between your internal networks and your AWS VPCs
Benefits of Site-to-Site VPN
- slightly cheaper than Direct Connect
- data is automatically encrypted
supports a hybrid model
How are VPN and Direct Connect different?
VPN uses public internet which Direct Connect uses a dedicated network connection
Virtual Private Gateway
the VPN concentrator on the Amazon side of the Site-to-Site VPN connection. You create a virtual private gateway and attach it to the VPC from which you want to create the Site-to-Site VPN connection.
Customer Gateway
the combination of an AWS Customer Gateway resource with a Customer Gateway device which sits on the on-prem side of the VPN tunnel
How many tunnels does the site-to-site VPN use?
two, between a virtual private gateway or a transit gateway on the AWS side, and a customer gateway on the remote (on-premises) side.
Transit Gateway
a transit hub that you can use to interconnect your virtual private clouds (VPC) and on-premises networks
What is a gateway?
A gateway is a network node that forms a passage between two networks operating with different transmission protocols.
