Deep Dive Into a Highly Available OpenStack Architecture

May 28, 2015 // 1 Comment

OpenStack Summit Vancouver 2015 Wednesday, May 20 • 9:00am – 9:40am Abstract: Many organizations choose OpenStack for it’s distributed architecture, and ability to deliver Infrastructure-as-a-Service platforms for mission critical applications. In such environments, that run production workloads, the cloud control plane is ought to...[READ MORE]

Ceilometer Architecture

February 5, 2015 // 2 Comments

Ceilometer Architecture The following figure describes the main components of the Ceilometer sub-system. Let’s briefly review the components from left to right. The compute agent runs on each compute node and polls statistics mainly via libvirt. The central agent runs centrally and polls statistics of the RESTful APIs of nova, glance,...[READ MORE]

OpenStack Architecture and Services

December 1, 2014 // 7 Comments

Openstack is consisted of several core projects, Nova for Compute, Glance for Images, Cinder for Block Storage, Keystone for Identity, Neutron for Networking, and additional optional services. Each project exposes all it’s capabilities over RESTful API. The services inner-communicate over RESTful API calls, so when a service requires resources...[READ MORE]