Click here to close now.

Welcome!

Microservices Expo Authors: Carmen Gonzalez, Plutora Blog, Pat Romanski, Liz McMillan, Elizabeth White

Related Topics: Microservices Expo, Java IoT

Microservices Expo: Blog Feed Post

Defining Requirements – The TOGAF Way

How is it different?

If you are new to TOGAF, you may be wondering how this process is different from what you do in a typical “Requirement Analysis” phase of software development. Once I tell you that the many of the techniques recommended in TOGAF are what you are already using, like UML modeling techniques like Activity Models, Use-Case Models and Class Models, you may think why bother with TOGAF?

What you really do differently in TOGAF is that you take a much wider perspective of the requirement. There are three important things that you need to do:

  1. Explicitly document the current state, the expected future state and identify the gap
  2. Assess impact of the change on other projects and other organizational initiatives
  3. State the change from the perspective (viewpoint) of different stakeholders and get their buy in

While doing this, you need to keep in mind the following:

  1. Are you adhering to all the relevant organizational standards & guidelines?
  2. Have you made an explicit attempt of reuse?

Steps for Defining the Requirement

We had discussed the following lists (without the 3 steps in “Define Requirement”) in my earlier posts –
What is TOGAF? & Planning a project.

  1. Tailor TOGAF to suit your need
  2. Define scope of work and prepare plan for rollout
    1. Define the scope and get approval from the sponsor
    2. Define requirement in terms of how the business process will change, what data, application and technical infrastructure is required for accomplishing the work
      1. What should the new business process be?
      2. What application & data do we need to support the changed process?
      3. What technology infrastructure do we require to implement the change?
    3. Select a suitable solution and make the implementation plan
  3. Oversee development and implementation
  4. Manage post-implementation change

What about defining Services? The SOA approach? TOGAF has some recommendations but it looks more like a force fit - we will cover it later.

Here are some of the terminologies used in TOGAF and their meaning as used in TOGAF.

View & Viewpoint

  • View = What you see or what a stakeholder sees
  • Viewpoint = Model or description of the information contained in a view

Baseline, Target & Gap

  • Baseline = Where you are now
  • Target = Where you want to be
  • Gap = What needs to change

Deliverable & Artifact

  • Deliverable = Contractually specified document – formally reviewed, agreed, and signed off by the stakeholders
  • Artifact = Architecture from a specific viewpoint – can be a Catalog, a Matrix or a Diagram

What artifacts do you may produce?

For Business Architecture:
Catalog

  • Organization/Actor catalog
  • Driver/Goal/Objective catalog
  • Role catalog
  • Business Service/Function catalog
  • Location catalog
  • Process/Event/Control/Product catalog
  • Contract/Measure catalog

Matrix

  • Business Interaction matrix
  • Actor/Role matrix

Diagram

  • Business Footprint diagram
  • Business Service/Information diagram
  • Functional Decomposition diagram
  • Product Lifecycle diagram
  • Goal/Objective/Service diagram
  • Use-Case diagram
  • Organization Decomposition diagram
  • Process Flow diagram
  • Event diagram

For Data Architecture:
Catalog

  • Data Entity/Data Component catalog

Matrix

  • Data Entity/Business Function matrix
  • System/Data matrix

Diagram

  • Class diagram
  • Data Dissemination diagram
  • Data Lifecycle diagram
  • Data Security diagram
  • Data Migration diagram
  • Class Hierarchy diagram

For Application Architecture:
Catalog

  • Application Portfolio catalog
  • Interface catalog

Matrix

  • System/Organization matrix
  • Role/System matrix
  • Application Interaction matrix
  • System/Function matrix

Diagram

  • Application Communication diagram
  • Application and User Location diagram
  • System Use-Case diagram
  • Enterprise Manageability diagram
  • Process/System Realization diagram
  • Software Engineering diagram
  • Application Migration diagram
  • Software Distribution diagram

For Technology Architecture:
Catalog

  • Technology Standards catalog
  • Technology Portfolio catalog

Matrix

  • System/Technology matrix

Diagram

  • Environments and Locations diagram
  • Platform Decomposition diagram
  • Processing diagram
  • Networked Computing/Hardware diagram
  • Communications Engineering diagram

More Stories By Udayan Banerjee

Udayan Banerjee is CTO at NIIT Technologies Ltd, an IT industry veteran with more than 30 years' experience. He blogs at http://setandbma.wordpress.com.
The blog focuses on emerging technologies like cloud computing, mobile computing, social media aka web 2.0 etc. It also contains stuff about agile methodology and trends in architecture. It is a world view seen through the lens of a software service provider based out of Bangalore and serving clients across the world. The focus is mostly on...

  • Keep the hype out and project a realistic picture
  • Uncover trends not very apparent
  • Draw conclusion from real life experience
  • Point out fallacy & discrepancy when I see them
  • Talk about trends which I find interesting
Google

@MicroservicesExpo Stories
17th Cloud Expo, taking place Nov 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, will feature technical sessions from a rock star conference faculty and the leading industry players in the world. Cloud computing is now being embraced by a majority of enterprises of all sizes. Yesterday's debate about public vs. private has transformed into the reality of hybrid cloud: a recent survey shows that 74% of enterprises have a hybrid cloud strategy. Meanwhile, 94% of enterprises ar...
The 5th International DevOps Summit, co-located with 17th International Cloud Expo – being held November 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA – announces that its Call for Papers is open. Born out of proven success in agile development, cloud computing, and process automation, DevOps is a macro trend you cannot afford to miss. From showcase success stories from early adopters and web-scale businesses, DevOps is expanding to organizations of all sizes, including the ...
IT data is typically silo'd by the various tools in place. Unifying all the log, metric and event data in one analytics platform stops finger pointing and provides the end-to-end correlation. Logs, metrics and custom event data can be joined to tell the holistic story of your software and operations. For example, users can correlate code deploys to system performance to application error codes. In his session at DevOps Summit, Michael Demmer, VP of Engineering at Jut, will discuss how this can...
This week we're attending SYS-CON Event's DevOps Summit in New York City. It's a great conference and energy behind DevOps is enormous. Thousands of attendees from every company you can imagine are focused on automation, the challenges of DevOps, and how to bring greater agility to software delivery. But, even with the energy behind DevOps there's something missing from the movement. For all the talk of deployment automation, continuous integration, and cloud infrastructure I'm still not se...
DevOps Summit, taking place Nov 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with 17th Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading industry players in the world. The widespread success of cloud computing is driving the DevOps revolution in enterprise IT. Now as never before, development teams must communicate and collaborate in a dynamic, 24/7/365 environment. There is no time to wait for long development...
"Plutora provides release and testing environment capabilities to the enterprise," explained Dalibor Siroky, Director and Co-founder of Plutora, in this SYS-CON.tv interview at @DevOpsSummit, held June 9-11, 2015, at the Javits Center in New York City.
The 17th International Cloud Expo has announced that its Call for Papers is open. 17th International Cloud Expo, to be held November 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, brings together Cloud Computing, APM, APIs, Microservices, Security, Big Data, Internet of Things, DevOps and WebRTC to one location. With cloud computing driving a higher percentage of enterprise IT budgets every year, it becomes increasingly important to plant your flag in this fast-expanding bu...
The most often asked question post-DevOps introduction is: “How do I get started?” There’s plenty of information on why DevOps is valid and important, but many managers still struggle with simple basics for how to initiate a DevOps program in their business. They struggle with issues related to current organizational inertia, the lack of experience on Continuous Integration/Delivery, understanding where DevOps will affect revenue and budget, etc. In their session at DevOps Summit, JP Morgenthal...
Sharding has become a popular means of achieving scalability in application architectures in which read/write data separation is not only possible, but desirable to achieve new heights of concurrency. The premise is that by splitting up read and write duties, it is possible to get better overall performance at the cost of a slight delay in consistency. That is, it takes a bit of time to replicate changes initiated by a "write" to the read-only master database. It's eventually consistent, and it'...
Data center models are changing. A variety of technical trends and business demands are forcing that change, most of them centered on the explosive growth of applications. That means, in turn, that the requirements for application delivery are changing. Certainly application delivery needs to be agile, not waterfall. It needs to deliver services in hours, not weeks or months. It needs to be more cost efficient. And more than anything else, it needs to be really, dc infra axisreally, super focus...
Overgrown applications have given way to modular applications, driven by the need to break larger problems into smaller problems. Similarly large monolithic development processes have been forced to be broken into smaller agile development cycles. Looking at trends in software development, microservices architectures meet the same demands. Additional benefits of microservices architectures are compartmentalization and a limited impact of service failure versus a complete software malfunction. ...
Discussions about cloud computing are evolving into discussions about enterprise IT in general. As enterprises increasingly migrate toward their own unique clouds, new issues such as the use of containers and microservices emerge to keep things interesting. In this Power Panel at 16th Cloud Expo, moderated by Conference Chair Roger Strukhoff, panelists addressed the state of cloud computing today, and what enterprise IT professionals need to know about how the latest topics and trends affect t...
Containers have changed the mind of IT in DevOps. They enable developers to work with dev, test, stage and production environments identically. Containers provide the right abstraction for microservices and many cloud platforms have integrated them into deployment pipelines. DevOps and Containers together help companies to achieve their business goals faster and more effectively. In his session at DevOps Summit, Ruslan Synytsky, CEO and Co-founder of Jelastic, reviewed the current landscape of...
Explosive growth in connected devices. Enormous amounts of data for collection and analysis. Critical use of data for split-second decision making and actionable information. All three are factors in making the Internet of Things a reality. Yet, any one factor would have an IT organization pondering its infrastructure strategy. How should your organization enhance its IT framework to enable an Internet of Things implementation? In his session at @ThingsExpo, James Kirkland, Red Hat's Chief Arch...
Manufacturing has widely adopted standardized and automated processes to create designs, build them, and maintain them through their life cycle. However, many modern manufacturing systems go beyond mechanized workflows to introduce empowered workers, flexible collaboration, and rapid iteration. Such behaviors also characterize open source software development and are at the heart of DevOps culture, processes, and tooling.
SYS-CON Events announced today that JFrog, maker of Artifactory, the popular Binary Repository Manager, will exhibit at SYS-CON's @DevOpsSummit Silicon Valley, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. Based in California, Israel and France, founded by longtime field-experts, JFrog, creator of Artifactory and Bintray, has provided the market with the first Binary Repository solution and a software distribution social platform.
Conferences agendas. Event navigation. Specific tasks, like buying a house or getting a car loan. If you've installed an app for any of these things you've installed what's known as a "disposable mobile app" or DMA. Apps designed for a single use-case and with the expectation they'll be "thrown away" like brochures. Deleted until needed again. These apps are necessarily small, agile and highly volatile. Sometimes existing only for a short time - say to support an event like an election, the Wor...
The cloud has transformed how we think about software quality. Instead of preventing failures, we must focus on automatic recovery from failure. In other words, resilience trumps traditional quality measures. Continuous delivery models further squeeze traditional notions of quality. Remember the venerable project management Iron Triangle? Among time, scope, and cost, you can only fix two or quality will suffer. Only in today's DevOps world, continuous testing, integration, and deployment upend...
DevOps tends to focus on the relationship between Dev and Ops, putting an emphasis on the ops and application infrastructure. But that’s changing with microservices architectures. In her session at DevOps Summit, Lori MacVittie, Evangelist for F5 Networks, will focus on how microservices are changing the underlying architectures needed to scale, secure and deliver applications based on highly distributed (micro) services and why that means an expansion into “the network” for DevOps.
Containers are changing the security landscape for software development and deployment. As with any security solutions, security approaches that work for developers, operations personnel and security professionals is a requirement. In his session at DevOps Summit, Kevin Gilpin, CTO and Co-Founder of Conjur, will discuss various security considerations for container-based infrastructure and related DevOps workflows.