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Code Issues Releases Wiki Activity

Adding IP Target information to ALB (#497)

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* Adding IP Target information to ALB

* clarify rfc1918 and add info about VPN or DC
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Ric Harvey 2017-09-07 17:01:50 +01:00 • committed by Thanos Baskous
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@ -1010,6 +1010,7 @@ Load Balancers
- CLBs don't support complex / rule-based routing, while ALBs support a (currently small) set of rule-based routing features.
- CLBs can only forward traffic to a single globally configured port on destination instances, while ALBs can forward to ports that are configured on a per-instance basis, better supporting routing to services on shared clusters with dynamic port assignment (like ECS or Mesos).
- CLBs are supported in EC2 Classic as well as in VPCs while ALBs are supported in VPCs only.
- ALBs can target groups of instances and IP based targets in the RFC1918 ranges allowing you to use on premise destinations via VPN or Direct Connect.
### Load Balancer Tips
@ -1060,6 +1061,7 @@ ALB
- 📒 [Homepage](https://aws.amazon.com/elasticloadbalancing/applicationloadbalancer/) ∙ [User guide](https://aws.amazon.com/elasticloadbalancing/applicationloadbalancer/developer-resources/) ∙ [FAQ](https://aws.amazon.com/elasticloadbalancing/applicationloadbalancer/faqs/) ∙ [Pricing](https://aws.amazon.com/elasticloadbalancing/applicationloadbalancer/pricing/)
- 🐥**Websockets and HTTP/2** are [now supported](https://aws.amazon.com/blogs/aws/new-aws-application-load-balancer/).
- 🐥**Internet Protocol Version 6 (IPv6)** is [now supported](https://aws.amazon.com/about-aws/whats-new/2017/01/announcing-internet-protocol-version-6-ipv6-support-for-elastic-load-balancing-in-amazon-virtual-private-cloud-vpc/).
- 🐥**Load Balancing via IP** is [now supported](https://aws.amazon.com/about-aws/whats-new/2017/08/elastic-load-balancing-application-load-balancer-now-supports-load-balancing-to-ip-addresses-as-targets-for-aws-and-on-premises-resources/).
- Prior to the Application Load Balancer, you were advised to use TCP instead of HTTP as the protocol to make it work (as described [here](http://www.quora.com/When-will-Amazon-ELB-offer-SPDY-support)) and use [the obscure but useful Proxy Protocol](http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/enable-proxy-protocol.html) ([more on this](https://chrislea.com/2014/03/20/using-proxy-protocol-nginx/)) to pass client IPs over a TCP load balancer.
### ALB Tips