Object-Based Approach to Cisco ACI:
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Object-Based Approach to Cisco ACI:

The Logic Behind the Application Centric Infrastructure

About the Book

Configuration tasks in the Cisco ACI are most often done in a centralized way either by using a built-in GUI in APIC (Application Infrastructure Controller) or REST API Client. Both methods use REST API calls with JSON or XML data formats. By using REST calls we can create a new object, modify an existing one, get information about the object, or delete the object. So how we define an Object? Each object represents an individual setting (policy), a set of settings (policy group), or a set of settings bind to an interface or group of interfaces (profile + selector) as an example. Object, in turn, is created under the class. As an example, objects which define interface settings such as speed and CDP Policy belongs to the infrastructure class. Classes, in turn, are organized by Packages. As an example, classes Tenant, Ctx (VRF), and BD (Bridge Domain) all belong to Fabric Virtualization (fv) Packages. The relationship between classes depends on their location in the Management Information Model (MIM) structure.

Traditional CLI-based box-by-box configuration differs radically from the APIC centralized object-based configuration model. This book explains what happens under the hood of ACI by explaining the relationship between GUI-based configuration results in a JSON data format from the object perspective. Objects are then placed into the MIM tree to illustrate the interdependencies. The first chapter explains the initial ACI installation process. The rest of the book explains how to create a logical overlay network for the application using Web and App servers including filters, and external Layer-2 connection as well as Layer-3 connections using BGP. 

Table of Context is available at

https://nwktimes.blogspot.com/2020/12/object-based-approach-to-cisco-aci.html#more

About the Author

Toni Pasanen
Toni Pasanen

Toni Pasanen. CCIE No. 28158 (RS), Distinguished Engineer at Fujitsu Finland. Toni started his IT carrier in 1998 at Tieto, where he worked as a Service Desk Specialist moving via the LAN team to the Data Center team as a 3rd. Level Network Specialist. Toni joined Teleware (Cisco Learning partner) in 2004, where he spent two years teaching network technologies focusing on routing/switching and MPLS technologies. Toni joined Tieto again in 2006, where he spent the next six years as a Network Architect before joining Fujitsu. Toni works closely with customers in his current role, helping them select the right network solutions from technology and business perspectives. He is also the author of books:

- Virtual Extensible LAN – VXLAN: The Practical Guide to Understand VXLAN Solution - 2019

- LISP with VXLAN in Campus Fabric - 2020

- VXLAN Fabric with BGP EVPN Control-Plane. Design Considerations – 2020

- Object-Based Approach to Cisco ACI: The Logic Behind the Application Centric Infrastructure - 2020

- Cisco SD-WAN: A Practical Guide to Understand the Basics of Cisco Viptela Based SD-WAN Solution- 2021

- Network Virtualization: LISP, OMP, and BGP EVPN Operation and Interaction

- AWS Networking Fundamentals: A Practical Guide to Understand How to Build a Virtual Datacenter into the AWS Cloud

- Azure Networking Fundamentals: A Practical Guide to Understand How to Build a Virtual Datacenter into the Azure Cloud

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