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Cisco DevNet Evolving Technologies

This book covers moderm Cisco Evolving Technologies (DevNet oriented) and includes detailed explanations of modern cloud, network programmability, and Internet of Things (IoT) technologies. The book includes a mix of high level explanations, detailed diagrams, and hands-on demonstrations using a variety of Cisco and third party products and services.

You can get the newest PDF of the book from my publications page:

Contact information:
Twitter: @nickrusso42518


This book is designed for anyone studying for Cisco DevNet certifications or other written exams. Since summer 2016, Cisco expert level written exams have included 10% of their questions pulled from a new "evolving techologies" topic domain. This book seeks to address the technologies in that new section, as well as dedicated DevNet exams which focus heavily on these topics.


The simplified tree structure below outlines how the TeX source files are organized. Each img/ folder has .jpg or .png images which are imported to the TeX files as needed. Auxiliary files (Makefile, setup scripts, etc.) are not shown below and are discussed in the Builds section.

The structure of this best aligns almost perfectly with Cisco's current blueprint. There are three levels of hierarchy:

  1. Sections represent the topmost level of organization, which include the main three technical topics, plus the collection of legacy topics and the glossary.
  2. Subsections represent the individual blueprint topics, and each one has a corresponding *.tex file with a prefix corresponding to its official blueprint name. For example, a1a4 is the blueprint topic for "Workload Migration".
  3. Subsubsections represent a level of depth not represented on the blueprint. These are the author's excursions into more detailed subjects, often technical demonstrations or detailed analyses of the technologies being discussed.

At the top of the hierarchy is the main.tex file, which does very little beyond importing the required TeX packages and including all the *.tex source files for individual sections.

$ tree --charset=ascii
|-- content
|   |-- cloud
|   |   |-- a1a-design
|   |   |   |-- source-files.tex
|   |   |   `-- img/
|   |   `-- a1b-infra
|   |       |-- source-files.tex
|   |       `-- img/
|   |-- iot
|   |   `-- a3a-archdeploy
|   |       |-- source-files.tex
|   |       `-- img/
|   |-- legacy
|   |   |-- img/
|   |   |-- old-cloud
|   |   |   `-- source-files.tex
|   |   |-- old-iot
|   |   |   `-- source-files.tex
|   |   `-- old-netprog
|   |       `-- source-files.tex
|   |-- misc
|   |   |-- source-files.tex
|   |   `-- img/
|   `-- netprog
|       `-- a2a-archops
|           |-- source-files.tex
|           `-- img
`-- main.tex


TLDR: For manual builds, use make by itself. You'll get a PDF out of it.

To simplify testing both for CI and for manual executions, a GNU Makefile with phony targets is used. Use the following shortcuts to test the playbook. Review the file to see a detailed explanation of each target.

The script handles the installation of the newest available version of TeX Live. This includes installing the basic subset of packages to reduce download size. It also installs all required tlmgr packages used in the project. Anyone forking this repository can simply extend the list of packages in the shell script.

Travis CI is used for CI/CD. After the PDF is compiled, it is copied (as an artifact) to AWS S3 within my personal website's file bucket. It is automatically and immediately available for public consumption after this occurs. See .travis.yml for more details on the CI/CD steps.


Q: Why was LaTeX chosen over simpler Markdown or reStructuredText?
A: The end goal is to deliver a standalone PDF for offline and independent viewing. Using Markdown, for example, requires tools like pandoc and has very limited formatting options. Other solutions use LaTeX as an intermediary anyway, so I felt it was easiest just to write the source in LaTeX from the beginning.

Q: Why did you spend time to convert Microsoft Word to LaTeX anyway?
A: As the book grew, I found it difficult using MS Word on my Macbook to format things properly and get a consistent design without extensive manual effort. Additionally, I find it very fitting that a book on "evolving technologies" be written, maintained, tested, and delivered as if it were code. "Walk the walk", as it were.

Q: How often is the book updated with new content?
A: Traditionally, the book has been updated every 6 months, starting in the summer of 2016 and continuing until the summer of 2018 (5 releases). Given the new version control and pipeline design, releases happen more frequently. Whenever I have changes, I'll push them here. An updated PDF will be automatically generated and uploaded to my website.

Q: Will your book still be available on Cisco Learning Network?
A: I have phased out the legacy delivery method on Cisco Learning Network after having updated the original page with a new reference to the current book location. I recommend downloading the book directly from my website (avoid third-party distributors) for your security.


Free Cisco CCIE/CCDE Evolving Technologies book







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