comcast case study: enabling the business of cloud

ENABLING THE BUSINESS OF CLOUD Prashanth Hari, Cloud Engineer, ComcastSanjay Mishra, CTO, TalligentAugust 2015

© 2015 Talligent, Inc. All rights reserved.

Agenda

Overview Demo Q&A


Openstack in Comcast2000+ Computes700+ Tenants10,000+ VMs


Ceilometer at Scale (Comcast)• Ceilometer Use cases in Comcast

Primarily used for cloud showback

Data for Resource reclamation (Janitor Automation)

Data for monitoring as a service Cloud utilization dashboards and

KPIs Data for Autoscaling


Ceilometer at Scale (Comcast)• Our setup and some challenges

Dedicated ceilometer infrastructure per region

Centralized Keystone 2 + 1 (arbiter) node Mongo

replicasets per region Ceilometer Compute Agent Load

Issues Limit time-to-live (ttl) on the

ceilometer mongo database. Created mongodb meter indexes

by project id, meter name, and timestamp.


Ceilometer at Scale (Comcast)


Ceilometer at Scale (Comcast)• Measurements• Nova• Neutron• Glance• Cinder


Ceilometer at Scale (Comcast)


Managing the OpenStack Customer Lifecycle

OpenBook

Customer Onboard/Self-service

MeasureUsage

Apply Rates

ProduceInvoice/Report

Analyze/Report

ProcessPayment


OpenBook Logical View

COMPUTE

STORAGE

NETWORK

CEILOMETER

DASHBOARD

OPENBOOKKnowledgebase

INVOICE

COLLECT PAYMENTS

REPORTANALYZE

CUSTOMER SELF-SERVICE

1 3

4

OPENBOOK FUNCTIONALIT

Y

RESELL SERVICES

Keystone

OPENSTACKCLOUD

2


Enabling the Business of Cloud©

• N-level reseller management

• Payment processing

• Showback / Chargeback

• Adapter architecture• Extensibility - REST API, user-defined billable

features• SPLA reporting for operating system images• Self-service – account management and

service delivery• Multi-tenancy/customer isolation• Dynamic user policy


DEMO


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