netconf vs restconf . netconf, restconf, grpc_basic 1. My question is, why bother with a "get-config" request if a "get" can retrieve both configuration and state data? Open Device Programmability: Hands-on Intro to RESTCONF (and a bit of NETCONF) 1. … Let's execute them both and see the results first. 168. The default TCP port for this mapping is 831. In other words, RESTCONF is NETCONF based on HTTP (s). CSR1kv (config)# restconf. The RESTCONF server provides access to specific datastores using operation resources, however, the RESTCONF protocol does not specify any mandatory operation resources, each operation resource determine if and how datastores are accessed. (*) For example, we added datastores to RESTCONF. Enter the global configuration command restconf to enable the RESTCONF service on the CSR1kv. 32:57. Open Device Programmability A hands-on introduction to RESTCONF (and a bit of NETCONF) Ralph Schmieder Technical Leader, DevNet Evangelist, CCIE #9680 Workbench Session, Las Vegas, July 11th to 14th DEVNET-2044 2. The following standards address the underlying APIs in general: • RFC 8040 - RESTCONF Protocol In particular, RESTCONF is compatible with the NETCONF Access Control Model (NACM) [RFC6536], as there is a specific mapping between RESTCONF and NETCONF operations. I think > supporting CF-lists is a must-have. 虽然NETCONF和OpenFlow都可以提供控制器软件和设备之间的通信,但是两个协议在很多方面是完全不同的。NETCONF是一个配置协议,而OpenFlow只是在流程表中在指定数据包如何通过路由传入。OpenFlow的交换机使用OF-Config进行配置,而OF-Config使用NETCONF来与 YANG Overview: YANG is a data modeling language used to model configuration and state data manipulated by the Network Configuration Protocol NETCONF), NETCONF remote procedure calls, and NETCONF notifications. " Your first reaction might be that it sounds very similar to NETCONF. 3. RESTCONF API. Verify that the required RESTCONF daemons are now running. Hank Preston, ccie 38336 R/S NetDevOps Evangelist @hfpreston A Look at Model Driven Programmability with RESTCONF and NETCONF Program Network Devices using Deleting a Hierarchy Level or Container Object, Deleting a Configuration Object That Has an Identifier, Deleting a Single-Value or Fixed-Form Option from a Configuration Object, Deleting Values from a Multi-value Option of a Configuration Object NETCONF, RESTCONF, YANG Demos (API vs CLI): David Bombal interviews Hank Preston Available in days days after you enroll The following is from the RESTCONF specifications so that you will understand the relationship between NETCONF and RESTCONF. Shrimp Diseases Detection Kits (Rapid Test Kits, PCR Kits, Real-time PCR Kits) &Testing Services . Only the VNFs related to networking like routers should support NETCONF, As NETCONF is specifically related to networking. All mandatory and optional protocol features are supported, and fully configurable at boot-time. What this means is that RESTCONF interactions are one-and-done. It is secure, connection oriented, and runs on top of the SSHv2 transport protocol as specified in RFC 6242. See full list on jedelman. I am humbled that anyone would think of me when they are stuck on a question, and if it’s a question that I can help with I like to take the time to reply. com/watch?v=eFY317eJzEI&list=PLOocymQm7YWZ1uCrl7YoL_uwysOqp-qp5 RESTCONF Video 2 https://www. Each possible solution can be better or worse suited depending on solution requirements. NETCONF API use SSH/TLS for communication NETCONF API use data model YANG or XSD NETCONF API tools : ncclient Python tool and SSH from CLI NETCONF is protocol. Currently, YANG is the most popular data model for defining telemetry data and it aspires to become industry standard but in the real world, we have different data models from different vendors. REST vs RESTful and the Richardson Maturity Model When you model your URIs after resources and use HTTP verbs you make your API predictable. It’s actually been around for quite awhile and supported by numerous vendors. What should you learn? CCNA or Python? And many If a RESTCONF server is co-located with a NETCONF server, then there are protocol interactions with the NETCONF protocol. RESTCONF is defined on top of HTTP, it help to map the configuration and requested YANG to an URL to issue the configuration. , factory default settings), and its deployment specific network management system (NMS). The default TCP port for this mapping is 832. Enter the global configuration command restconf to enable the RESTCONF service on the CSR1kv. The router will respond with a hello like Using OpenConfig and YANG Models, Cisco and others provide programmability of network devices. RESTCONF Protocol (RFC 8040, January 2017) draft-ietf-netconf-restconf-18. com Subset of NETCONF Functionality RESTCONF does not need to mirror the full functionality of the NETCONF protocol, but it does need to be compatible with NETCONF. Abstract. However Im unable to see the clear way this is done. Re: [netconf] restconf collections Kent Watsen <kent+ietf@watsen. NETCONF vs. First off, the NSO BU recommends using the RESTCONF API instead of the REST API. However, I’ve realised that YDK can already do all 8. Recall that ncsshd is the NETCONF service, which may be running on your device. NETCONF/YANG touts being able to provide a clear split between distinguishing the configuration from operational state. We are unsure whether RESTCONF will eventually replace NETCONF, becomes popular as two similar managing protocols or perhaps be forgotten. The HTTP-based configuration protocol RESTCONF is defined by rfc8040. RESTCONF API use use HTTP verbs (GET ,DELETE, PATCH, POST, and PUT methods) RESTCONF API support data encoding XML or JSON RESTCONF API use HTTP/HTTPS for communication NETCONF, RESTCONF, YANG Demos (API vs CLI): David Bombal interviews Hank Preston Available in days days after you enroll NETCONF is really powerful, but it's a little cumbersome for small tasks. Depending on the device you’re working on (Catalyst vs Nexus) the ways to enable RESTCONF and NETCONF may vary. Speedy Assay. NETCONF development started around 2003, when network operators realized the limitations and disadvantages of SNMP and CLI. net> Thu, 01 October 2020 13:36 UTC Return-Path: <01000174e4610ae6-d1488376-ae7e-4d95-ba7e-005fc44b9592-000000@amazonses. net> @ KK, thanks , your interpretation is correct. See how they differ in more detail. OpenFlow. The YumaPro functionality is specified in a layer named “meta-yumapro”. We also discuss the advantages of using an API versus CLI scraping (show run / show int). Other Approaches. > > > The most significant objection was that this is a RESTCONF-only solution > and that > was not acceptable to ignore NETCONF (since <get> and GET end being the > same > in the end, so the problem also exists for NETCONF) > > > True. NETCONF, RESTCONF, and gNMI Explained This chapter covers The transport layer of NETCONF, RESTCONF and gNMI What tools you could use to play with these protocols Connection, … - Selection from Network Programmability with YANG: The Structure of Network Automation with YANG, NETCONF, RESTCONF, and gNMI, First Edition [Book] RESTCONF API 3 Videos Playlist URL https://www. RESTCONF (RFC 8040) provides a subset of NETCONF functionality implemented on top of HTTP/HTTPS. RESTCONF server NETCONF server BGP QoS VXLAN RESTCONF client NETCONF client YANG-based XML/JSON SSH / TLS HTTPS ANY (Java, Python, Perl, PHP) Manageability Infra Config DB YANG-based XML ANY (C, Java, Python) OpenDaylight as a Platform for Network Programmability I occasionally get questions sent from engineers working on network automation. 虽然NETCONF和OpenFlow都可以提供控制器软件和设备之间的通信,但是两个协议在很多方面是完全不同的。NETCONF是一个配置协议,而OpenFlow只是在流程表中在指定数据包如何通过路由传入。OpenFlow的交换机使用OF-Config进行配置,而OF-Config使用NETCONF来与 NETCONF and the ncclient. It’s an alternative to the CLI where you can use XML to retrieve information or to configure the device. txt: xym 0. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG feature. A vulnerability in the RESTCONF and NETCONF-YANG access control list (ACL) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. There are two variants (called recipes) of the server supported at this time: • RESTCONF: XML or JSON (whileNETCONF isXML only) NETCONF might be better for router and switches RESTCONF might be better for controller north-bound interface Netconf Client Netconf Server YANG Modules Manager node Managed node 4 • Similar management framework and protocol message models • Different module structure and schema • YANG models can also be transmitted in RESTCONF, but we take NETCONF as example to explain how to use YANG. NETCONF, RESTCONF, YANG Demos (API vs CLI): David Bombal interviews Hank Preston 4 lectures • 1hr 56min. Objectives Part 1: Build the Network and Verify Connectivity Part 2: Use a NETCONF […]Continue reading In the previous article we introduced the concept of NETCONF and we illustrated that NETCONF on its own doesn’t describe the Data, however it describe the procedures of how to query the data and Netconf Client Network Devices Network Devices Network Devices Protocol Plugin Netconf Server RESTCONF ApplicationREST Application Applications Applications OSS/BSS, External Apps Data Store Messaging “Kernel” Microservices Namespac e YANG-model ed interfaces YANG-modeled interfaces The YumaPro Server supports the complete NETCONF protocol. RESTCONF achieves this by implementing a subset of the interaction capabilities provided by the NETCONF protocol -- for instance, by eliminating datastores and explicit locking. Speedy Assay. This could be a big cost saving opportunity. YANG, NETCONF, RESTCONF: What is this all about and how is it used for multi-layer networks Abstract: • Automation and programmability is required these days • Data Modeling-driven set of APIs is key for automation • The key is the data models • YANG is the data modeling language for configuration and monitoring: a full, formal contract NETCONF is more Comprehensive / Flexible / Complex in its capability, however RESTCONF is easier to learn for Engineers familiar with REST APIs, below are the main differences: NETCONFIG support running and candidate datastores, while RESTCONF only supports Running Datastores, which is a fairly huge difference to know! NETCONF servers must provide secure HTTP (HTTPS), by running HTTP over the Transport Layer Security Protocol (TLS). I would say that one main difference is that RESTCONF is fully standard compatible now, while our traditional REST interface is proprietary. g. NETCONF and RESTCONF are IETF standard protocols designed for manipulating network configuration data in datastores modeled with YANG. This draft presents a secure technique for establishing a NETCONF or RESTCONF connection between a newly deployed device, configured with just its preconfigured initial state (e. That's a real win for DevOps in my book. In summary, even if the negative marks against RESTCONF are resolvable (*), when you have the choice, NETCONF should be used for network elements configuration, while RESTCONF might be fine as the north-bound interface of the orchestrator or/and controller. RESTCONF is a protocol for network management that is HTTP-based. Being stateless brings up one of the big differences between NETCONF and RESTCONF: NETCONF is session-oriented and stateful, while RESTCONF is stateless. 如果拿之前的 netconf 协议架构作为对比,restconf 就是将: 内容层,同样由 yang 约束生成。 rpc 消息层和操作层,换成了 http 的操作层。 将 ssh 构成的传输层,换成了 http(s)的传输方式。 restconf vs netconf 交互 A NETCONF and REST (not RESTCONF-compliant yet) server loaded with the YANG module from draft-clacla-netmod-model-catalog. 4: Extracting 'example-ops' Getting YANG file name from module name: example-ops. Let’s log in: $ ssh admin@192. YANG is the modelling language that describes the configuration changes. Any protocol operation, database object or notification message can be easily added to the server by providing a YANG data model defining the API. IMHO it is on the side of the TAPI consumers (client and server) to agree how TAPI integration is done, either through the ONF proposed OpenAPI specification, or based on the official TAPI YANG model and any other standardized wire protocol for which the YANG definition is sufficient, such RESTCONF RFC 8040 or NETCONF RFC 6241. Here’s an example of NETCONF on a Cisco IOS router. The secret value for both key types may be encrypted or hidden. Verify that the required RESTCONF daemons are now running. These topics are also covered in the ENCOR Implementing and Operating Cisco Enterprise Network Core Technologies class. gNMI is a unified management protocol for streaming telemetry and configuration management that leverages the open source gRPC framework. However, IPv6 presents some new security challenges. Chapter 4. 1. Demonstration 2 Part 1. While NETCONF is not always compatible across network switch platforms, it’s the closest thing I can see that could be a unified multi-vendor API. Mobile Convergence Laboratory NETCONF ‣ The Network Configuration Protocol(NETCONF) is a network management protocol developed and standardized by the IETF. watsen. youtube. The YANG module specified in this document defines a schema for data that is designed to be accessed via network management protocols such as NETCONF [ RFC6241] or RESTCONF [ RFC8040 ]. Initially, I was planning to write a simple REST API client to interact with RESTCONF interface of IOS XE, create an API binding with pyangbind, use it to produce the JSON output, convert it to XML and send it to the device, similar to what I’ve described in my netconf and restconf posts. To break this down further. Sysrepo does not seem to support RESTCONF yet. To break this down further. RFC 8040 NETCONF: A NEW PROTOCOL, AS A SUBSET OF THE NETCONF FUNCTIONALITY “RESTCONF does not need to mirror the full functionality of the NETCONF protocol, but it does need to be compatible with NETCONF. The Network Con guration Protocol (NETCONF) provides mechanisms to install, manipulate, and delete the con guration of network devices. SNMP within the constraints of device configuration. OpenFlow. The resource path needs to be converted internally by the server to the corresponding YANG instance identifier. RESTCONF users to a preconfigured subset of all available NETCONF ## RESTCONF. [RFC 6241] YANG YANG is a data modeling language used to model con guration and state data manipulated by the Network Con guration Protocol (NETCONF), NETCONF remote procedure calls, and NETCONF noti cations RESTCONF has a different solution for this same issue, Browse other questions tagged rfc ietf-netmod-yang ietf-netconf or ask your own question. DevNet New Series of YANG, NETCONF, RESTCONF RFCs Published admin 23 March 2019 0 The last couple of weeks were important weeks for the world of YANG, NETCONF, and RESTCONF, as 8 new IETF RFCs were published: RFC 8525 on YANG Library RFC 8526 […] NETCONF over SSH (RFC6242) NETCONF Base Notifications (RFC 6470) NETCONF over TLS (RFC 7589) RESTCONF (RFC 8040) NETCONF Call Home and RESTCONF Call Home (RFC 8071) YANG Patch (RFC 8072) NACM (RFC 8341) NSO Northbound REST / RESTCONF Examples. Currently, most vendors use CLI for configuration management, but the lack of transactions and the always changing structure of CLI has proven to be a big problem, especially when aiming for programmability and elasticity. NETCONF/YANG: SDN/NFV Configuration & Orchestration • ONF: OF-CONFIG • OpenDaylight: YANG + Controller Configuration • NFV MANO & IETF SFC YANG Models • CISCO NCS & ConfD NETCONF/YANG/RESTCONF • NETCONF/YANG/RESTCONF Basics • Why NETCONF/YANG? • Comparisons NETCONF/YANG, SNMP & TOSCA • Implementations of NETCONF/YANG Conclusions NETCONF vs. Watch this new Cisco training. Automatización, Programabilidad y Cloud Configurar y verificar NETCONF y RESTCONF Progreso del Lección 0% Completado Previous Tema Back to Lección Next Tema The lowest NETCONF layer is the secure transport layer, and the mandatory-to-implement secure transport is Secure Shell (SSH). 1 module called "ietf-keystore" that enables centralized configuration of both symmetric and asymmetric keys. The parlance of network engineers expecting a platform having an API is to look at the REST API first, and having a simple requests demo helps folks getting started. … So if I do Python, Netconf get interface. The server will not keep an active session open with the client. NETCONF over SSH is covered on its own in RFC 6242. You might want to start with Network-Infrastructure-as-Code Is Nothing New and Adjusting System State blog posts. Links: RESTCONF HTTP methods vs NETCONF RESTCONF operation Description NETCONF operation HEAD Get without a body <none> OPTION Discover which operations are sup-ported by a data resource <none> GET Retrieve data and metadata <get>, <get-config> POST Create a data resource <edit-config> (nc:operation=“create”) POST Invoke an RPC operation Asynchronous Nature of the I2RS Protocol - vs RESTCONF and NETCONF (too old to reply) Susan Hares 2015-03-02 22:27:17 UTC. It was developed in the NETCONF working group and published in December 2006 as RFC 4741 and later revised in June 2011 and published as RFC 6241. NETCONF vs RESTCONF Vs gRPC. RESTCONF achieves this by implementing a subset of the interaction capabilities provided by the NETCONF protocol, for instance, by eliminating datastores and explicit locking. yang Extracting 'example-jukebox' Getting YANG file name from module name: example-jukebox. NETCONF is the standard for installing, manipulating and deleting configuration of network devices while YANG is used to model both configuration and state data of network elements. kr 세미나 Mobile Convergence Laboratory 2. We do not need it for this lab. Operations NETCONF Working Group This document defines a YANG 1. MG-SOFT NETCONF Simulator software application can simulate numerous NETCONF-enabled network devices (servers) on one computer, where each simulated server listens on a different IP address or port, supports its own set of YANG modules and features, as well as NETCONF access parameters (SSH or TLS, user credentials, certificates). Sign up free Log in. Subset of NETCONF Functionality RESTCONF does not need to mirror the full functionality of the NETCONF protocol, but it does need to be compatible with NETCONF. Speaker: Hank Preston III| DevNet Developer Evangelist Hostess: Kara Sullivan | Cisco Networking Academy 15 March 2018 Cisco DevNet Webinar Series If a RESTCONF server is co-located with a NETCONF server, then there are protocol interactions with the NETCONF protocol. Feel free to reach out through the github forum if you are interested in write access. 6 Lab – Use NETCONF to Access an IOS XE Device Answers Lab – Use NETCONF to Access an IOS XE Device (Answers Version) Answers Note: Red font color or gray highlights indicate text that appears in the Answers copy only. If NETCONF yields superior results, it is believed this paper couldstimulate the CSP architects to create purchase orders or request for product to RESTCONF is different in a few key ways: RESTCONF is an HTTP-based protocol While NETCONF uses XML encoding only, RESTCONF supports both JSON and XML RESTCONF does not have a 'lock' concept like NETCONF does RESTCONF is a functional sub-set of NETCONF, but does not have full functionality of all NETCONFs features (not sure exactly what features are missing) Being HTTPS Based all messages are independent of each other, like how REST APIs in general are a series of Send / Receive and thats its, whereas NETCONF maintains a TCP Session via RPC messages In this video Hank demos a practical DevNet lab using NETCONF, RESTCONF, and YANG models. Its operations are realized on top of a simple Remote Procedure Call See full list on fir3net. Demonstration 1. It uses RPC for transport and can be used through SSH: R1(config)#netconf ssh. CLI scripting was the primary approach to making automated configuration changes to the network prior to NETCONF. Mobile Convergence Laboratory 안계완(Gyewan An) danielahn@khu. RESTCONF is the more nimble cousin which allow people that are already well-versed in a little REST-API work to perform small tasks without needing to learn an entirely new skill set. RESTCONF vs JSON-RPC While both RESTCONF and JSON-RPC can be used to create a web-app management application, each comes with specific pros and cons. The intention is to demonstrate the performance of NETCONF vs. com The NETCONF messages can run on top of numerous protocols for transport such as SSH or SOAP. This article goes over the basics of OpenConfig, YANG, and NETCONF, and why you should care. This means that a northbound system could eventually develop a generic RESTCONF interface and use it against NSO and other RESTCONF-compatible systems. ” CCNP 350-401 ENCOR 7. It uses familiar RESTful API patterns. The standardization of network configuration interfaces for use with the Network Configuration Protocol (NETCONF) or the RESTCONF protocol requires a structured and secure operating environment that promotes human usability and multi-vendor interoperability. Webinar. Read. I2RS WG: We are trying to wrap Continue reading NETCONF, RESTCONF, YANG Demos (API vs CLI): David Bombal interviews Hank Preston (Part 2) Published August 21, 2018 Categorized as Cisco Tagged API vs CLI , David Bombal , Hank Preston , NETCONF , RESTCONF , YANG Demos At a high level know that RESTCONF works over HTTP/HTTPS and that NETCONF works over SSH. these new services. ac. See full list on networkop. Knowledge and experience on how to operate IPv4 securely is available: whether it is the Internet or an enterprise internal network. The NETCONF protocol specification is an Internet Standards Track document. b. As I described in the previous blog post, the hardest problem any infrastructure-as-code (IaC) tool must solve is “how to Step 2: Enable and verify the RESTCONF service. According to RFC 8040: "RESTCONF is an HTTP-based protocol that provides a programmatic interface for accessing data defined in YANG, using the datastore concepts defined in NETCONF. The lowest NETCONF layer is the secure transport layer, and the mandatory-to-implement secure transport is Secure Shell (SSH) [ RFC6242 ]. 26:31. yang Extracting 'example-actions' Getting YANG file name from module name: example-actions. Ask Question Asked 7 months ago. RESTapi is alternative way to configure any VNF including networking VNFs. NETCONF API use SSH/TLS for communication NETCONF API use data model YANG or XSD NETCONF API tools : ncclient Python tool and SSH from CLI NETCONF is protocol. CSR1kv#configure terminal CSR1kv(config)# restconf. usually NETCONF will be used by OSS or EMS/NMS. It currently only allows public read access to the content. But I also see reference to the YANG schemas stating that this is done via a split in the This is the third blog post in “thinking out loud while preparing Network Infrastructure as Code presentation for the network automation course” series. Shrimp Diseases Detection Kits (Rapid Test Kits, PCR Kits, Real-time PCR Kits) &Testing Services Knowledge and experience on how to operate IPv4 securely is available: whether it is the Internet or an enterprise internal network. Recall that ncsshd is the NETCONF service, which may be running on your device. For the time being, the inquiries we got indicate people are more interested in NETCONF, but our sample set is pretty small. New Announcement. Active 7 months ago. co. If you’re just learning about configuring devices, you may have started with CLI and SNMP. yang Extracting 'example-mod' Getting YANG file NETCONF/YANG provides a standardized way to programmatically update and modify the configuration of a network device. YANG Best Practices. This mapping is defined in RFC 4744. com David Bombal and Hank Preston discuss Network Automation, Network Programmability, NetDevOps and the future. Both NETCONF and RESTCONF use YANG models to define the structure of configuration data and state data in their datastore. Sysrepo changes their API frequently. Permalink. NETCONF provides mechanisms to install, manipulate, and delete the configuration of network devices. c See full list on snmpcenter. REST API vs RESTCONF API. YANG describes the data structures exchanged in NETCONF message (like SMIv2 describes SNMP MIBs). May 7, 2015 NETCONF is an industry standard (IETF) network management protocol. In this 6-video skill, CBT Nuggets trainer John McGovern highlights and contrasts the differences between the NETCONF and RESTCONF protocols for automating networks. Watch Replay. functionally equal Before we can send data over NETCONF, gNMI, RESTCONF, or gRPC transport protocols we must encode and describe that data with the data model. Webinar. The username is oper and the password is oper. uk The Network Configuration Protocol is a network management protocol developed and standardized by the IETF. a. The lowest RESTCONF layer is HTTPS, and the mandatory-to-implement secure transport is TLS. An attacker could exploit this vulnerability by accessing the device using RESTCONF or NETCONF The core NETCONF protocol is defined in RFC 6241 and the application of NETCONF to model-based programmability using YANG models is defined in RFC 6244. YANG modules defines the netconf data tree and generally has the following structure: 2. youtube. Among these protocols, OpenFlow and Netconf are considered to be popular and widely used ones when it comes to software defined networking ( SDN ). I can see some RFCs stating NETCONF (the protocol) does (or could) this datastores. 509 Certificate Based Authentication for NETCONF & RESTCONF. Viewed 160 times 1. CSR1kv# conf igure t erminal. NETCONF & YANG Automation Testing. The NETCONF protocol can also be run directly over BEEP. RFC 6243 With-defaults Capability for NETCONF that describes an extension to the NETCONF protocol that allows clients to identify how defaults are processed by the server; Why NETCONF vs. Figure 1 illustrates the lifecycle of a typical NETCONF session. Netconf get vs get-config? Hey all, I'm working on some Netconf scripts and I keep seeing references to get-config and get RPCs. Figure 1 – The lifecycle of a typical NETCONF session OpenFlow vs Netconf There are several data programming and configuration protocols that make the flow of information seamless across the networks. Python for Network Engineers - Data Center Use Cases Learn to Automate hundreds of devices from provisioning to operations using Arista, Cisco Nexus and F5 BIG-IP Leveraging best of breed open source network components like napalm, netmiko, ncclient and requests, netpalm makes it easy to abstract from any network devices native telnet, SSH, NETCONF or RESTCONF interface into a modern model driven open api 3 interface. For network automation, I see that NETCONF, RESTCONF and gRPC NETCONF provides mechanisms to install, manipulate, and delete the configuration of network devices. The RESTCONF server provides access to specific datastores using operation resources, however, the RESTCONF protocol does not specify any mandatory operation resources, each operation resource determines if and how With our NETCONF recap out of the way, let's now define RESTCONF. py, … In a simple word, NETCONF defines a general way to manage the equipment, rather than the tranditional CLI command. NETCONF, YANG, RESTCONF TECH-SDN-SP: Software Defined Networking for Service Providers Martin Kramolis, Systems Engineer, CCIE #4738 Zero Touch Provisioning for NETCONF or RESTCONF based Management draft-ietf-netconf-zerotouch-17. Once developers know how you defined your resources, they can almost predict what the API looks like. - netconf与restconf是一个纬度,都是用来操作和维护网络设备的协议,restconf是轻量级netconf。类似协议还有snmp。协议定义了一线基本的增、删、改和查的方法。 - xml是一种数据表示格式,类似的还有json格式,表达用户要操作的数据本身。 NETCONF is a standardized IETF configuration management protocol published in RFC 6241. We do X. RESTCONF API. Moreover, in addition to pushing configuration changes and pulling config and operational state via model-driven protocols, these same platforms support streaming telemetry based on the same NETCONF and RESTCONF. More accurately, it is “an HTTP-based protocol that provides a programmatic interface for accessing data defined in YANG, using the datastore concepts defined in the Network Configuration Protocol (NETCONF). The complete YumaPro server can be built for Yocto Linux to provide YANG-based NETCONF, RESTCONF, SNMP, and CLI management interfaces. RESTCONF (RFC 8040) is essentially just a RESTful implementation of NETCONF. Recently I received an email from an engineer who was MG-SOFT NETCONF Simulator. 1 -s netconf. Modern versions of IOS-XE, IOS-XR, and NX-OS all support YANG-powered NETCONF with IOS-XE and NX-OS also supporting RESTCONF and IOS-XR supporting gNMI. If you NETCONF, RESTCONF, YANG Demos (API vs CLI): David Bombal interviews Hank Preston (Part 2) David Bombal and Hank Preston discuss Network Automation, Network NETCONF, RESTCONF, YANG Demos (API vs CLI): David Bombal interviews Hank Preston (Part 2) NETCONF & RESTCONF – IETF Network Configuration protocols – NETCONF defined by rfc6241, with extensions to support rfc8342 Network Management Datastore Architecture (NMDA) and currently described in draft-ietf-netconf-nmda-06. High Performance Network-wide Commit and The pfSense project is an open-source firewall software distribution, and TNSR software is an open source-based router. RESTCONF API use use HTTP verbs (GET ,DELETE, PATCH, POST, and PUT methods) RESTCONF API support data encoding XML or JSON RESTCONF API use HTTP/HTTPS for communication The difference is one script is using NETCONF … with the XML structure while the other is using RESTCONF … with adjacent structure. However, IPv6 presents some new security challenges. gNMI - gRPC Network Management Interface. Protocol NETCONF RESTCONF gRPC Model-Driven Programmability Stack Models APIs Apps Model-Driven APIs YANG Development Kit (YDK) YANG Models (native, open) App1 App2 App3 Transport SSH HTTP Model-Driven Configuration Model-Driven Telemetry You'll learn how to employ a variety of techniques and tools, including using RESTCONF and YANG with Python to manage basic device features, deploying Ansible and Puppet for network automation, customizing dashboards based on streaming telemetry over NETCONF, and selecting the right tools for the right job based on business needs. netconf vs restconf