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Published byOldwig Günther Modified over 6 years ago
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Best Practices for Virtualization on the Subscriber Premises
Michael Kloberdans Lead Architect, Home Networking CableLabs
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VNFS IN THE CLOUD – BUT WHICH CLOUD?
9/18/2018 Incognito Community Exchange 2015
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Incognito Community Exchange 2015
definitions VNF – Virtual Network Functions A software instantiation of a network function(s) on a general hardware platform. Previously was applied in proprietary firmware on dedicated hardware. VNF Examples: Firewall NAT Bandwidth on Demand 9/18/2018 Incognito Community Exchange 2015
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Incognito Community Exchange 2015
definitions Virtualization Platform – hardware and systems in the ISP cloud that supports orchestration and control of the virtualized infrastructure and services. Open Source Open Stack Open Daylight Vendor proprietary systems also in this space Both must use common APIs for interoperability 9/18/2018 Incognito Community Exchange 2015
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Incognito Community Exchange 2015
definitions Multi-Router Home network The number of routers in the home is increasing Overtly – Buying a router instead of a WiFi range extender Covertly – Chromcast, Roku, iControl, NEST, etc. Encapsulation – The transport and steering of data packets between the home and the the ISP virtualization platform. Control Protocols – The method used to both provision and manage the home gateway and its services. 9/18/2018 Incognito Community Exchange 2015
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Incognito Community Exchange 2015
definitions Operational Issues – FCAPS Fault – a disruption of a service or services Configuration Accounting Performance – mostly latency & packet loss Security Service Chaining – an ordered list of VNFs assembled together to provide network services 9/18/2018 Incognito Community Exchange 2015
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LOGICAL ENVIRONMENTS FOR HOME AND isp
Virtualized Functions Back-Office Integration Analytics STB: Linear & DVR Customer Portal Mobile BW on Demand Firewall Network Address Translation Routing e.x. firewall Provisioning Parental Controls e.x. routing Router Subscriber VM Router Home Gateway API Virtualization Platform Tablet PC SUBSCRIBER HOME ISP 9/18/2018 Incognito Community Exchange 2015
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Virtual home architecture Goals
Define an architecture to support subscriber home networks Lightweight CPE and network virtualization techniques Adopt Cloud-based networking principles, keeping the network logic in the data center Enables network telemetry: Including application, device, subscriber, location, and time Build ecosystem allowing faster creation of new services and time-to-market 9/18/2018 Incognito Community Exchange 2015
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LOGICAL ENVIRONMENTS FOR HOME AND isp
Mobile Tablet PC Home Gateway STB: Linear & DVR Router e.x. firewall e.x. routing Virtualization Platform API Subscriber VM Customer Portal Analytics Firewall Routing Provisioning BW on Demand Network Address Translation Parental Controls SUBSCRIBER HOME ISP Back-Office Integration Virtualized Functions 9/18/2018 Incognito Community Exchange 2015
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Case for VNFs in the cloud
Classic reasons are: Cost Control Maintenance Visibility 9/18/2018 Incognito Community Exchange 2015
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Incognito Community Exchange 2015
Discussion? Questions Incognito Community Exchange 2015
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