Use case: Deployment of domain name based autoscale service group

September 21, 2020

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Tip

For information about the GSLB service groups, see配置a GSLB Service Group

Deployment scenario

两个数据中心部署在两个AWS区域,one in Sydney and one in North Virginia. Another datacenter is deployed in Azure. An AWS ELB in each AWS region is used to load balance the application servers. ALB is used for Azure to load balancing the application server. The Citrix ADC appliances are configured for GSLB for the ELBs and ALB using GSLB domain name based autoscale service group.

Important

You must configure the required security groups in AWS and attach it to the GSLB instance. Port 53 must be allowed in the security group inbound and outbound rules. Also, ports (3009 or 3011 depending on secure MEP configuration) for MEP communication must be open. For application monitoring, the corresponding ports must be allowed in the security group outbound rules.

The configuration steps for the above deployment scenario and the corresponding CLI commands are as follows:

1. Create datacenters (represented by GSLB sites).

              add gslb site aws-sydney 192.0.2.2 add gslb site aws-nvirginia 198.51.100.111 add gslb site alb-southindia 203.0.113.6
             

2. Add a name server with the DNS gateway IP address where the GSLB node is added. This must be done in all datacenters.

add dns nameServer 8.8.8.8

3. Add servers for ELB and ALB.

              add server aws-sydney_server lb-sydney-1052691850.ap-southeast-2.elb.amazonaws.com add server aws-nvirginia_server LB-nvirginia-860559595.us-east-1.elb.amazonaws.com add server alb-southindia_server alb.southindia.cloudapp.azure.com
             

4. Add GSLB autoscale service groups for each ELB and ALB and bind each server to the respective service group.

              add gslb serviceGroup aws-nvirginia_sg HTTP -autoScale DNS -siteName aws-nvirginia add gslb serviceGroup aws-sydney_sg HTTP -autoScale DNS -siteName aws-sydney add gslb serviceGroup alb-southindia_sg HTTP -autoScale DNS -siteName alb-southindia bind gslb serviceGroup aws-nvirginia_sg aws-nvirginia_server 80 bind gslb serviceGroup aws-sydney_sg aws-sydney_server 80 bind gslb serviceGroup alb-southindia_sg alb-southindia_server 80
             

5. Add a GSLB virtual server and bind the application domain and the service groups to this virtual server.

              add gslb vserver gv1 HTTP bind gslb vserver gv1 -serviceGroupName aws-nvirginia_sg bind gslb vserver gv1 -serviceGroupName aws-sydney_sg bind gslb vserver gv1 -serviceGroupName alb-southindia_sg
             

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Use case: Deployment of domain name based autoscale service group

September 21, 2020

Contributed by:

September 21, 2020

Contributed by:

Use case: Deployment of domain name based autoscale service group

Deployment scenario

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