elb 3.3 notes 11 07

Table of Contents ELB Notes Quality Attributes Load Balancer Control Instance LB Registration LB Listeners Your Service (on Instance) Health Checking Load Balancer Policies Nice to have Load Balancer Listeners HTTP Session Stickiness LB Zone Control Unsupport

ELB

Notes

1. SSL priority ordering
   1. SSL from client to LB
   2. LB to service instance using SSL
   3. non-ssl on either LB side
2. Error conditions
3. TCP load balancing
4. Metrics

Quality Attributes

1. Availability
2. Fault tolerance
3. Horizonatally scaling LBs
4. Maintainability
   1. How does the cloud admin control the deployment of load balancers

Load Balancer Control

CreateLoadBalancer DeleteLoadBalancer DescribeLoadBalancers

Instance LB Registration

DeregisterInstancesFromLoadBalancer RegisterInstancesWithLoadBalancer

LB Listeners

CreateLoadBalancerListeners DeleteLoadBalancerListeners

Your Service (on Instance) Health Checking

ConfigureHealthCheck DescribeInstanceHealth

Load Balancer Policies

CreateLoadBalancerPolicy DeleteLoadBalancerPolicy DescribeLoadBalancerPolicies DescribeLoadBalancerPolicyTypes

Nice to have

Load Balancer Listeners

SetLoadBalancerListenerSSLCertificate SetLoadBalancerPoliciesOfListener SetLoadBalancerPoliciesForBackendServer

HTTP Session Stickiness

CreateAppCookieStickinessPolicy CreateLBCookieStickinessPolicy

LB Zone Control

DisableAvailabilityZonesForLoadBalancer EnableAvailabilityZonesForLoadBalancer

Unsupport

AttachLoadBalancerToSubnets - VPC DetachLoadBalancerFromSubnets - VPC ApplySecurityGroupsToLoadBalancer - VPC