leveraging openstack at scale: how the elastic cloud drives innovation velocity
TRANSCRIPT
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Leveraging OpenStack at Scale: How the Elastic Cloud Drives Innovation VelocityJonathan ChiangComcastAugust 23, 2016
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High Speed Internet
Video
IP TelephonyHome Security / AutomationUniversal Parks
Media Properties
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Stretching the Comcast Elastic Cloud | Our Journey with OpenStack• Petabyte of Memory and One Million vCPU Cores in 2016• Multi-Petabyte Ceph Block and Object Storage• Multi-Terabyte SSD• Deployed across 34 Regions
• National and Regional Data Centers• Icehouse Release Today, Moving Directly to Mitaka
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Community Contributions• Lines of code: 73,000• Commits: 1100• Core Developers and Reviewers on Multiple Projects• Since Vancouver Summit (Kilo), Comcast has increased
its contributions by 50%
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Comcast Elastic Cloud: A Powerful Platform for Critical Services
X1 Residential e-mail
Big data and network
telemetry
Product development
Virtual network functions
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Xfinity X1 • Customized Apps• Social Media Integration• Personalized and Dynamic
TV Experience• Cloud DVR
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Residential Email Services and Product Development
• Tens of Millions of Users• Terabytes of data
• Hundreds of Applications• Critical Part of Multiple CI/CD
Pipelines• Accelerating Innovation• Container Orchestration
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Big Data on Elastic Cloud• Big data analysis of network
performance and telemetry• Leverages CEC compute instances
with ephemeral storage• Swift used for data lake/unified central
storage
Cluster Node VM
OpenStack Swift (Data Lake)
Root Volume
CE
PH
libv
irt
Ephemeral(Local Disk)
Cinder Volume(HDFS)
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Challenges to Overcome in Order to Increase Business Velocity
• Converge our infrastructure to meet the demands of modern workloads
• Increase operational efficiency
• Performance and scalability
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Converging Our Infrastructure to Meet the Demands of Modern Workloads: Storage
Modern storage requirements demand:• Provisioned IOPs• High read/write throughput• Quality of Service • Persistent container storage
But add the complexity of:• Noisy neighbors• Convergence vs disaggregation• Operational awareness• Cost
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Converging Our Infrastructure to Meet the Demands of Modern Workloads: NFVVNFs have complex requirements:• High bandwidth, IO, while exhibiting extremely low latency • Predictable and consistent CPU performance• High availability and resiliency
But introduce the challenges of:• Multi-tenancy• Operational complexity• Vendor reliance• Cost
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Increase Operational Efficiency
An ideal operational environment would encompass:• Clear and concise reference architecture • Automated and repeatable deployment model• Consistent upgrade path and backwards compatibility• Visibility into the full stack to understand issues and make
better decisions
Introduce the challenges:• Multiple deployment methodologies• Difficulty upgrading• Unsupported APIs• Robust instrumentation and monitoring
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Performance and Scalability
Growth of our Elastic Cloud:• Year over year increase in demand• Increase in data acquisition and retention
Are testing the limits of:• OpenStack networking• Control plane capabilities
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Addressing the Challenges• Collaborate with large scale operators
• Continue to contribute to the community
• Embrace a chaotic environment
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Thank You
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