Azure Application Gateway

Question 1

What is an application gateway?

Answer 1

Application gateway is a l7 laodbalancer

Question 2

Can you use the application gateway both public and private?

Answer 2

Yes

Question 3

I want to loadbalance L4 traffic, how can I do this with the application gateway?

Answer 3

You cant, application GW is a L7 device.

Question 4

I am concerned about the processing performance of SSL on my hosts, these host provide a web application, what options do i have?

Answer 4

Use a Application Gateway with SSL offload enabled and configured.

Question 5

I require a L7 LB for private network, what options do I have?

Answer 5

You can use the application gateway.

Question 6

What are the main logical constructs that make up the load balancer?

Answer 6

• Frontend IP
• Frontend Listener
• Frontend Cert (SSL offload)
• Routing rules
• Backend pools

Question 7

I need to keep the same session on the same servicer what options do I have?

Answer 7

You can use cookie based session affinity

Question 8

How can I protect my backend VM’s/apps when using application gateway?

Answer 8

You have the options to use a WAF with the App GW.

Question 9

Where is the application gateway deployed?

Answer 9

It is deployed into a subnet of a VPC, best practice is to have AppGW deployed to it own subnet of say /27