Multi-Vendor Service Automation & Network Programmability

Cisco Network Services Orchestrator enabled by Tail-f Stefan Vallin, Ph D

Product Manager NSO 10 June 2015

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•  Changing Customer Behavior, New Expectations •  Everything on demand •  New services with a press of a button

•  Rapidly Changing Business Models •  Cloud services, virtualization, programmable networks •  New eco-systems and value chains •  OTT “co-opetition”

•  Execution at the speed of software •  Agility, DevOps, NFV, SDN, new services platforms

Key Market Trends and Challenges

All of this requires successful, flexible automation… …But complexity has destroyed many automation initiatives

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Barriers to Successful Automation

Growing Complexity •  Proliferating devices and service types •  Heterogeneous environments •  Legacy IT and automation can’t keep up Current Automation Complex, Rigid, Fragile •  Hardcoded logic flows and CLI templates •  Fragile programmatic adapters •  One-off solutions—not repeatable or reusable

Lack of Visibility and Granular Control •  Data quality issues •  No transactional control •  Complex rollbacks and remediation

High Fallout Ratios and Broken Configurations = Higher Costs, Slower Service Activation

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What if You Could… Break the Complexity Barrier to Enable Agility

•  Full Lifecycle Automation (Create, Update, Delete) •  Model Driven to Reduce Code and Expand Features

Reconfigure Services with High Quality and Minimal Impact •  Non-Disruptive Updates of Service and Device Models •  Surgical Precision and Atomic Transaction Control

Support Real-World Multivendor Environments •  Any Use Case on Any Device •  Hybrid/Brownfield Environments •  Full Stack—Beyond Layer 2/Layer 3

Decouple Services from Infrastructure •  Physical and Virtual Networks and Service Platforms •  Minimal Dependencies on Networking Technologies •  Minimal Dependencies on OSS Environments

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Agile •  Strict YANG Models for

Services & Devices •  Logic Rendered from

Models: 90% Less Code •  Model Updates

Implemented in Hours

Cisco NSO Enabled by Tail-f

Model-Driven Automation for Multivendor Brownfield Environments Support DevOps and Modern Ways of Working with Any Service Type

Automated •  Single Network Abstraction

Layer •  Active Network View:

Always in Sync, Minimal Fallout

•  All Use Cases on All Devices Across Vendors

Reliable •  End-to-End “Atomic”

Transactions Control •  Minimal Impact on Network

via Minimum Diff. Engine •  Proven in Tier 1

Deployments

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Cisco NSO Architecture

Multi-vendor Network Element Drivers

Device Manager

Service Manager

NSO enabled by Tail-f

Modern Way’s of Working Modern APIs

3rd Party Applications

Active Network

View

Network Engineers

Physical Networks

•  VNFM •  Controller Apps •  EMS and NMS

Network Abstraction in Modern and Brownfield Environments

Network Apps Virtual Networks

Agile Automation •  Active Network View •  Any Service, Any Device •  Multivendor Support Network Abstraction Layer •  Physical •  Virtual •  Network Applications Northbound APIs •  OSS/BSS •  Third-Party Applications •  DevOps Support

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The Industry’s Broadest Multivendor Support

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NSO Main Features #1 Model-based Architecture

Network Element Drivers (NEDs)

Service Manager

Device Manager

Physical Networks Virtual Networks

•  VNFM •  Controller Apps •  EMS and NMS

Network Apps

Service Model

DeviceModel

Applications

REST, NETCONF, Java, Python, Erlang, CLI, Web UI

NETCONF, REST, SNMP, CLI, etc

Engineers

•  No hard-coded assumptions about:

•  Network services •  Network architecture •  Network devices

•  Instead: •  Data models written in

YANG (RFC 6020)

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NSO Main Features #2 FASTMAP (State-Convergence)

Network Element Drivers (NEDs)

Service Manager

Device Manager

Physical Networks Virtual Networks

•  VNFM •  Controller Apps •  EMS and NMS

Network Apps

Service Model

DeviceModel

Create Update Delete

Redeploy

NETCONF, REST, SNMP, CLI, etc

•  FASTMAP: •  Only the CREATE

operation needs to be specified

•  UPDATE, DELETE and REDEPLOY automatic

•  Benefits: •  Reduces service

implementation code by two orders of magnitude

•  Supports modifications of services at runtime

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NSO Main Features #3 Reactive FASTMAP

Network Equipment Drivers (NEDs)

Service Manager

Device Manager

Physical Networks Virtual Networks

•  VNFM •  Controller Apps •  EMS and NMS

Network Apps

Service Model

DeviceModel

Create Update Delete

Redeploy

NETCONF, REST, SNMP, CLI, etc

•  Development pattern to: •  Redeploy service

configuration on operational changes

•  Idempotent

•  One algorithm supporting: •  Provisioning •  Orchestration •  Elasticity •  Virtual machine and VNF

mobility •  Self-healing network

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!  Multi-Vendor L2/L3 VPN etc.

!  Virtual Managed Services/NFV

!  Data Center Automation

!  Cloud Services Interconnection

Sample Customer Use Cases

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Launch and Refine Differentiated VPN Offerings in Days

VPN Automation

•  Model-Driven DevOps Approach •  Constantly Refine and Manage:

•  Differentiated VPN Services •  Advanced Capabilities •  Custom Bundles and SLAs •  VPN Value-Added Services

•  Multivendor Support •  Self-Service Network On-Demand

Full Automation with Agility and Control

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Equinix Cloud Exchange

•  Seamless, Direct Access to ~450 Cloud Services

•  Connect Multiple Networks & Locations

•  On-Demand, Self-Service Portal

Customer Reference: Equinix Requirements •  Fast COTS solution •  Support for YANG Models

& Common Protocols •  Interoperate w/ Equipment

from 70 Vendors •  Automate Configurations in

Complex Multi-Cloud Environment

Benefits •  Near Zero-Touch Provisioning •  Reduced Service Activation

Lead Times by 90% •  50% Faster Time to Market •  Improved Operational

Efficiency •  Future-Ready Architecture

Cisco NSO Provided a Vendor-Neutral, Model-Driven Solution to Accelerate Service Activations and Time to Market

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Customer Reference: tw telecom

Business Needs: •  Fast delivery of L2, L3 VPNs

•  Carrier Ethernet 2.0 Services for Traffic Separation

NSO Business Outcomes: •  Automated Provisioning of Complex VPNs

•  Orchestration of 50,000+ Devices from Multiple Vendors

•  Simplified VPN Provisioning, Updates and Removals

•  Drastically Reduced Time to Market

•  Integration with Customer Portal, OSS, & Analytics Systems

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Business Needs: •  Create World-Class Customer Experience

•  Provision Network Services On Demand •  Reduce Complexity and Cycle Times

NSO Business Outcomes: •  Automated Provisioning of Complex Services in

World’s Largest MPLS network •  Project Start to First Customer Turn-Up in Three

Months •  Integrated with BSS and CRM •  Drastically Reduced Time to Market

Customer Reference: AT&T Domain 2.0 - User Defined Network

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•  Agility Throughout Service Lifecycle •  Strict YANG Model-Driven Solution •  Auto-Rendered Business Logic Means 90% Less Code •  Effortlessly Re-Deploy Updated Service and Device Models •  DevOps for Differentiation

•  Full Automation •  Robust and Proven in Tier-1 Deployments •  Industry’s Broadest Multivendor Support •  Relevant in Today’s and Tomorrow’s Networks

What You Gain with NSO Enabled by Tail-f