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Routing Traffic to Backend Servers in the Same VPC as the Load Balancer Scenarios You can use ELB to route traffic to backend servers in the same VPC as the load balancer. Solution Dedicated load balancer ELB-Test is running in a VPC named vpc-peering (10.1.0.0/16). An ECS named ECS-Test
Adding Backend Servers in the Same VPC as a Load Balancer When you use ELB to route requests, ensure that at least one backend server is healthy and can process requests routed by the load balancer. If the incoming traffic increases, you can add more cloud servers to ensure the stability
Routing Traffic to Backend Servers in a Different VPC from the Load Balancer Scenarios You can use ELB to route traffic to backend servers in a VPC that is different from where the load balancer works. Solution Dedicated load balancer ELB-Test is running in a VPC named VPC-Test-01
Using Direct Connect to Connect VPCs in Different Regions On-premises data centers VPN VPN connects on-premises data centers and VPCs over the Internet.
For dedicated load balancers, you can add servers in a VPC connected using a VPC peering connection, in a VPC in another region and connected through a cloud connection, or in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses
If you enable this function, you can add servers in a peer VPC connected through a VPC peering connection, servers in other public clouds, or servers in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses.
Dedicated load balancers: You can add servers in a VPC connected using a VPC peering connection, in a VPC in another region and connected through a cloud connection, or in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses
If you set it to true, you can associate servers in a VPC connected through a VPC peering connection, in a VPC connected through a cloud connection, or in an on-premises data center at the other end of a Direct Connect or VPN connection, by using server IP addresses.
If you enable this function, you can add servers in a peer VPC connected through a VPC peering connection, servers in other public clouds, or servers in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses.
Constraints If you use Cloud Connect connection, Direct Connect or VPN to access ELB, you must select Source IP hash as the load balancing algorithm and disable sticky sessions for ELB. Sticky session is enabled by default and is not shown for QUIC backend server groups.
When a UDP listener routes traffic to IP as backend servers in a UDP backend server group over a Direct Connect or VPN connection, the health check result may be unhealthy. In this case, submit a service ticket. Procedure Go to the load balancer list page.
If you enable this function, you can add servers in a peer VPC connected through a VPC peering connection, servers in other public clouds, or servers in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses.
If you enable this function, you can add servers in a peer VPC connected through a VPC peering connection, servers in other public clouds, or servers in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses.
Backend Server Type Description Dedicated Load Balancer Shared Load Balancer IP as backend server You can add servers in a peer VPC, in a VPC that is in another region and connected through a cloud connection, or in an on-premises data center at the other end of a Direct Connect or VPN
Notes and Constraints If you use Cloud Connect connection, Direct Connect or VPN to access ELB, you must select Source IP hash as the load balancing algorithm and disable sticky sessions for ELB.
If you enable this function, you can add servers in a peer VPC connected through a VPC peering connection, servers in other public clouds, or servers in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses.
If you enable this function, you can add servers in a peer VPC connected through a VPC peering connection, servers in other public clouds, or servers in an on-premises data center at the other end of a Direct Connect or VPN connection, by using their IP addresses.
Balancer Only dedicated load balancersConfiguring Hybrid Load Balancing (Dedicated Load Balancers) You can add servers in a peer VPC, in a VPC that is in another region and connected through a cloud connection, or in an on-premises data center at the other end of a Direct Connect or VPN
