LBaaSLoad Balancer as a Service

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Contents○ Overview

○ Features

○ Architecture Overview

○ Current Implementation

○ Future Roadmaps

○ Q n A

What is Load Balancing?

Load Balancing is method for distributing workloads across ● multiple computers/clusters● network links● CPU's, Disk Drives etc.

to be more precise

your Cloud ... for

● optimizing resource use● maximizing throughput● minimizing response time● avoiding overload

Why Load Balancer for OpenStack ?

○ Availability

○ Scalability

○ Manageability

○ Monitoring

Features

○ RESTful

○ CLI

○ Horizon Dash UI

○ HA Proxy Solutions

○ Support for Devstack

More on Load Balancing

● Load Balancing between VMs

● Session Persistence

● Health Mon (TCP, HTTP)

● Automatic Device Selection (Currently Only VMs)

● Sticky Sessions

● Dynamically adding/removing VMs to LB

● Graceful Exclusion of a VM from LB

● Health Monitoring and High Availability

● SSL offload/acceleration

Architecture

● Modular Structure● Drivers● Standard API (openstack-common)

Design & Implementation

Grizzly Implementation

○ HA Proxy Process per VIP

○ VIP on same subnet

○ NAT only

○ No Support for Multi-Network Nodes

○ No HA Support

Plan for Havana

○ Multi Vendor Support

○ Tenant API

○ Network Topologies

○ Service Types to specify required service

○ Out of Box Solutions

○ Default Open Source Load Balancer Driver

Future RoadMap

○ next-gen unified API for tenants & cloud admins(PayPal, Atlas, Mirantis and Amazon ELB)

○ Tighter Integration with OS

○ Support for HA

○ Resource Limits

○ Auto-Scaling

○ SSL Termination

○ Drivers for more LBs

○ Software Load Balancers on Demand

○ Server Farm Monitoring and Statistics

Thank You

Any Questions?Photo Credits :

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License: This work is licensed under the Creative

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