Cisco's Open Device Programmability Strategy: Open Discussion
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Cisco's Open Device Programmability strategy emphasizes a software-driven, standardized approach to network automation and management through the use of open APIs and models. The document outlines the technical frameworks, specifically the YANG data modeling language, that enable programmable network architectures across various Cisco platforms. Additionally, it presents resources for developers to engage with and learn about Cisco's network programmability offerings.
![© 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public
YANG Data Model Structure
pyang -f tree ietf-interfaces@2014-05-08.yang
module: ietf-interfaces
+--rw interfaces
| +--rw interface* [name]
| +--rw name string
| +--rw description? string
| +--rw type identityref
| +--rw enabled? boolean
| +--rw link-up-down-trap-enable? enumeration {if-mib}?
+--ro interfaces-state
+--ro interface* [name]
+--ro name string
+--ro type identityref
+--ro admin-status enumeration {if-mib}?
+--ro oper-status enumeration
+--ro last-change? yang:date-and-time
+--ro if-index int32 {if-mib}?
…
DEVNET-1028 17](https://image.slidesharecdn.com/devnet-1028grasby-ciscosopendeviceprogrammabilitystrategy-anopendiscussiondeccav1-160807234211/85/Cisco-s-Open-Device-Programmability-Strategy-Open-Discussion-17-320.jpg)
Cisco's Open Device Programmability Strategy: Open Discussion
- 1. Cisco's Open Device Programmability Strategy An Open Discussion Robert Grasby, Senior Product Manager DEVNET-1028
- 2. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public “Southwest Is Sending Its Oldest Planes to Early Retirement” - Skift, April 2016 “Labor and Training Issues Push Southwest to Retire Its 737 Classics Next Year” - CrankyFlyer.com, May 2016 “Southwest To Accelerate 737 Classic Subfleet Retirement” - Aviation Daily, April 2016 DEVNET-1028 2
- 3. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public 737 “Classic” 737 600/700/800/900 737MAX DEVNET-1028 3
- 4. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public IOS-XE IOS-XR NX-OS DEVNET-1028 4
- 5. • Cisco Open Device Programmability • Model Driven Automation • Industry Standardization • Cisco Roadmap • Developer Resources • Conclusion Agenda
- 7. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Cisco Digital Network Architecture Open, Software-driven, Service-centric Virtualization | Automation | Analytics | Cloud DEVNET-1028 7
- 8. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Cisco Digital Network Architecture Principles Automation Abstraction & Policy Control from Core to Edge Open & Programmable | Standards-Based Open APIs | Developers Environment Cloud Service Management Policy | Orchestration Virtualization Physical & Virtual Infrastructure | App Hosting Analytics Network Data, Contextual Insights Insights & Experiences Automation & Assurance Security & Compliance Network-Enabled Applications Cloud Enabled | Software Delivered DEVNET-1028 8
- 9. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Cisco Open Device Programmability Physical and Virtual Network Infrastructure Open Device Programmability Programmable Interfaces Open Protocols Configuration Management Traffic Engineering Telemetry & Troubleshooting Simplified Deployment DEVNET-1028 9
- 10. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public NETCONF RESTconf gRPC Open Device Programmability Device Features Interface BGP QoS ACL … SNMP YANG Data Model Open Models Native Models Open Models Native Models Physical and Virtual Network Infrastructure Configuration Operation Programmable Interfaces Cisco ONE Foundation Shipping now on IOS-XR. Available on IOS-XE, NX-OS platforms in July ’16 DEVNET-1028 10
- 11. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public NETCONF RESTconf gRPC Interface “Stack” Device Features Interface BGP QoS ACL … SNMP YANG Data Model Open Models Native Models Open Models Native Models Physical and Virtual Network Infrastructure Configuration Operation Programmable Interfaces Protocol DEVNET-1028 11
- 12. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Protocols Standard IETF RFC 6241 IETF draft Open source Optimized for Networking ✓ ✓ ✗ (designed for generic client/server communications) Session Oriented ✓ ✓ ✓ Connection Oriented ✓ ✗ ✓ Connection Security SSH or SOAP HTTPS HTTPS RESTconfNETCONF gRPC DEVNET-1028 12
- 14. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public NETCONF RESTconf gRPC Interface “Stack” Device Features Interface BGP QoS ACL … SNMP YANG Data Model Open Models Native Models Open Models Native Models Physical and Virtual Network Infrastructure Configuration Operation Programmable Interfaces Data Model DEVNET-1028 14
- 15. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Defining Objects In Network Management Information Model • Conceptual abstraction • Implementation guide • Protocol neutral Information vs Data Models (RFC3444) Data Model • Lower level abstraction • Implementation specific details • Protocol-specific constructs DEVNET-1028 15
- 16. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public YANG Data Modeling Language (RFC6020) • Human readable • Hierarchical configuration • Extensible through augmentation • Formal constraints for configuration validation • Reusable types and groupings • Modularity through modules and sub-modules • Defined versioning rulesYANG Data Model DEVNET-1028 16
- 17. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public YANG Data Model Structure pyang -f tree [email protected] module: ietf-interfaces +--rw interfaces | +--rw interface* [name] | +--rw name string | +--rw description? string | +--rw type identityref | +--rw enabled? boolean | +--rw link-up-down-trap-enable? enumeration {if-mib}? +--ro interfaces-state +--ro interface* [name] +--ro name string +--ro type identityref +--ro admin-status enumeration {if-mib}? +--ro oper-status enumeration +--ro last-change? yang:date-and-time +--ro if-index int32 {if-mib}? … DEVNET-1028 17
- 18. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public NETCONF RESTconf gRPC Interface “Stack” Device Features Interface BGP QoS ACL … SNMP YANG Data Model Open Models Native Models Open Models Native Models Physical and Virtual Network Infrastructure Configuration Operation Programmable Interfaces Types DEVNET-1028 18
- 19. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public • Industry definition • Compliant with standard (IETF, ITU, OpenConfig, etc) definition • Vendor specific extensions Example: ietf-diffserv-policy.yang (IETF Diffserv data model) • Cisco definition • Unique to a Cisco operating system Example: Cisco-IOS-XR-ipv4-bgp-cfg.yang (IOS-XR BGP data model) YANG Data Model Types Open Models Native Models DEVNET-1028 19
- 20. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public YANG Data Model Terminology and Relationship Modeling Language YANG Encoding XML JSON Schema YANG Data Model Protocol RESTCONFNETCONF GRPC SDK API Python Ruby JAVA C Erlang … YANG Development Kit APIC-EM Ansible … DEVNET-1028 20
- 22. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Standardization Timeline RFC 4741 NETCONF (1.0) Protocol RFC 6020 YANG (1.0) Data Modeling Language RFC6020bis YANG (1.1) Data Modeling Language RFC 6241 NETCONF (1.1) Protocol December 2006 October 2010 Now June 2011 RESTCONF Protocol IETF “Last Call” DEVNET-1028 22
- 23. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Open Model Standardization ≈ 38 defined, 200 draft802.1x and 802.1q models≈ 120 defined MEF 38 and 39 for OAM > 680 defined≈ 45 defined DEVNET-1028 23
- 24. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public IETF YANG Model Submissions By Vendors 54 Huawei 50 Juniper 40 Ericsson 27 Alcatel-Lucent 7 Ciena 11 ZTE 9 Brocade 7 Intel 1 By “YANG” Companies Yumarkworks 7 Tail-f 8 By Operators Google 4 Verizon 2 AT&T 5 Telefonica 5 Orange 9 Level 3 3 DEVNET-1028 24
- 25. Cisco Roadmap
- 26. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public NETCONF Platform Roadmap Shipping Q3CY16 Q4CY16* CY17* IOS-XR ASR 9000 NCS 1000 NCS 5000 IOS-XE IOS-XE 16.3 Catalyst 3650 Catalyst 3850 ASR 1000 ISR 4000 CSR 1000v ISRv IOS-XE 16.4 cBR ASR 900 IOS-XE 3.10 Catalyst 4500 NX-OS E Release Nexus 3000 Nexus 9000 Release tbd Nexus 5000 Nexus 7000 * Not committed DEVNET-1028 26
- 27. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public YANG Model Coverage by Platform Open Models Native Models IOS-XR https://github.com/YangModels/yang/tree/master/vendor/cisco/xr IOS-XE @ initial release • IETF-Interfaces • IETF-VRF Infra • IETF-IPv4/IPv6 Static Routing • IETF-OSPF v2/v3 • ITEF-IPv4/IPv6 RIB • IETF-Policy • IETF-QoS (shape, bandwidth and priority) • Cisco-MPLS static • Cisco-VxLAN • BFD • G8032 • MPLS-TE • E-OAM • VPLS • ISIS • ACL • GRE • CFM • Interfaces • BGP • Static Routing • MPLS Static • EVPN • VLAN • L2VPN • OTV • Inter-AS • Bridge Domain/EVC • DMVPN • RPL • OSPF • VRF • Policy/QoS • NHRP • PfR • EIGRP • WAAS • AVC-NBAR • AVC-ART • ESON • Snort • SourceFire • ZBFW • FNF • RIB • LISP • IPSec • VTP • Spanning Tree • AAA • TACACS • SNMP • NTP • MSDP • IGMP • PIM NX-OS @ initial release • Open Config Interfaces • Open Config Static Route • Open Config Route Policy • Open Config VLAN • ACL • QoS • Segment Routing • EVPN/VxLAN • ARP/AM • IPv6/ICMPv6 • RBAC • Tunnels • VRRPv2 • OSPFv2 • Syslog • NTP • Route Policy • HSRP • URIB • SNMP • VxLAN • L2RIB • MPLS • Static Route DEVNET-1028 27
- 29. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public “The best way to learn about network programmability is to jump in and get our hands dirty” - Some “Wise Guy” DEVNET-1028 29
- 30. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Details on supported interfaces and protocols • Learning Labs • Sandboxes • Code Samples • Videos • Communities • Support • And more …. developer.cisco.com/site/odp/ Cisco DevNet DEVNET-1028 30
- 31. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public YANG GitHub Repository https://github.com/YangModels/yang/tree/master/vendor/cisco DEVNET-1028 31
- 32. Conclusion
- 33. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Summary • Open device programmability is the foundation of a Digital Network Architecture • Data models are key for configuration management and telemetry (not protocols or encoding) • YANG is the “open” data modeling language • Cisco is delivering YANG data models across switching and routing to enable “Open Device Programmability” DEVNET-1028 33
- 34. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Network Programmability Cisco Education Offerings Course Description Cisco Certification Integrating Business Applications with Network Programmability (NIPBA) Learn networking concepts, and how to deploy and troubleshoot programmable network architectures with these self-paced courses Cisco Business Application Engineer Specialist Certification Developing with Cisco Network Programmability (NPDEV) Learn how to build applications for network environments and effectively bridge the gap between IT professionals and software developers. Cisco Network Programmability Developer Specialist Certification Designing with Cisco Network Programmability (NPDES) Learn how to expand your skill set from traditional IT infrastructure to application integration through programmability. Cisco Network Programmability Design Specialist Certification Implementing Cisco Network Programmability (NPENG) Learn how to implement and troubleshoot open IT infrastructure technologies. Cisco Network Programmability Engineer Specialist Certification For more details, please visit: http://learningnetwork.cisco.com Questions? Visit the Learning@Cisco Booth or contact [email protected] DEVNET-1028 34
- 35. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Complete Your Online Session Evaluation Don’t forget: Cisco Live sessions will be available for viewing on-demand after the event at CiscoLive.com/Online • Give us your feedback to be entered into a Daily Survey Drawing. A daily winner will receive a $750 Amazon gift card. • Complete your session surveys through the Cisco Live mobile app or from the Session Catalog on CiscoLive.com/us. DEVNET-1028 35
- 36. © 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public Continue Your Education • Demos in the Cisco campus • Walk-in Self-Paced Labs • Lunch & Learn • Meet the Engineer 1:1 meetings • Related sessions DEVNET-1028 36
- 37. Please join us for the Service Provider Innovation Talk featuring: Yvette Kanouff | Senior Vice President and General Manager, SP Business Joe Cozzolino | Senior Vice President, Cisco Services Thursday, July 14th, 2016 11:30 am - 12:30 pm, In the Oceanside A room What to expect from this innovation talk • Insights on market trends and forecasts • Preview of key technologies and capabilities • Innovative demonstrations of the latest and greatest products • Better understanding of how Cisco can help you succeed Register to attend the session live now or watch the broadcast on cisco.com
- 38. Thank you