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SDN and ACI
Kamran Habib
April 2015
• Software defined networking (SDN) represents a whole new way of looking at how networks are
configured, controlled, and ...
• In most organizations, the data center is shifting away from traditional client‐server architectures to
models in which ...
Complexity
To better understand why SDN has become so important, you need to look at what existed before SDN. Traditional
...
Popular Use
Cases
Benefits of SDN
 DevOps: Including an SDN technology-based approach can facilitate DevOps automation of...
6
Ten Important facts for Evaluating SDN solutions
3. Supporting Multivendor Ecosystems
Benefit
2. Easier policy implement...
7
Ten Important facts for Evaluating SDN solutions
8. Extensible Architecture
Benefit
7. Making use of Cloud Automation To...
Why Cisco Application Centric Infrastructure?
Cisco’s Application Centric Infrastructure is designed with all the
comprehe...
Download the e-book: http://cs.co/csSDNforDummies
Reference
• Slide deck is based on the book: “SDN for dummies” by Brian Underdahl and Gary Kinghorn
(www.cisco.com/go/sdnf...
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SDN for Dummies Companion Presentation

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This presentation summarizes the main points from the new book “Software Defined Networking for Dummies”. Cisco account teams walk customers through the talking points and hand them a printed copy as a leave-behind, or point them to the online e-book. “SDN for Dummies” is a gentle introduction to the benefits and requirements of an SDN solution, as well as how Cisco products, such as ACI, deliver on that vision. Download e-book: http://cisco.com/go/sdnfordummies

Published in: Technology

SDN for Dummies Companion Presentation

  1. 1. SDN and ACI Kamran Habib April 2015
  2. 2. • Software defined networking (SDN) represents a whole new way of looking at how networks are configured, controlled, and operated. • In general, SDN most commonly means that networks are controlled by software applications and SDN controllers rather than the traditional network management consoles and commands that required a lot of administrative overhead and could be tedious to manage on a large scale. • Speed and automation are key requirements for emerging cloud and multitenant networks that need more scale and can’t be bogged down with tedious administrative tasks. In fact, cloud automation (in its many forms) quickly emerged as a primary use case for SDN technology. • As the primary use case for SDN has evolved toward cloud automation, customers consider what they’re looking for in a policy‐based automation solution instead of just the specifics of the underlying SDN technology. • SDN is also truly an open technology. This leads to greater interoperability, more innovation, and more flexible, cost‐ effective solutions. SDN Intro and Key Drivers
  3. 3. • In most organizations, the data center is shifting away from traditional client‐server architectures to models in which significantly more data is being transferred between servers within the data center (frequently called east‐west traffic). This requires more network scalability and more sophisticated policies for resource allocation. • In addition, many IT departments are showing great interest in moving to public, private, or hybrid cloud environments along with investment in big data applications which require massive parallel processing across hundreds or thousands of servers. • The top level benefits of an SDN strategy accrue to all areas of the organization. You will receive a competitive advantage because your infrastructure will do more. The speed of your business will increase, the total cost of ownership will go down and your risks will be decreased because of the greater security. SDN Intro and Key Drivers
  4. 4. Complexity To better understand why SDN has become so important, you need to look at what existed before SDN. Traditional networking architectures have significant limitations that must be overcome to meet modern IT requirements. Challenges faced before SDN  The abundance of networking protocols and features for specific use cases has greatly increased network complexity. Old technologies were often recycled as quick fixes to address new business requirements.  Features tended to be vendor specific or were implemented through proprietary commands. Inconsistent Policies  Security and quality‐of‐service (QoS) policies in current networks need to be manually configured or scripted across hundreds or thousands of network devices.  Manual configuration is prone to error and can lead to many hours of troubleshooting to discover which line of a security policy or access control list (ACL) was entered incorrectly on a given device. Inability to scale  Application workload growth will drive growth for bandwidth and scale increase.  Unfortunately, the majority of traditional networks are statically provisioned in such a way that increasing the number of endpoints, services, or bandwidth requires substantial planning and redesign of the network.
  5. 5. Popular Use Cases Benefits of SDN  DevOps: Including an SDN technology-based approach can facilitate DevOps automation of application updates, deployment and platform.  Big Data and Everything-as-a-Service: SDN helps automate and deploy these new application architectures  Mobility Internet of Things: Linking people, process, data and devices will be made easy by SDN solutions Expanding beyond  SDN can be applied across the entire computing infrastructure, not just to the network, to extend the programmatic control to all the IT resources that applications require.  SDN can play a vital role in distributing policy across the entire infrastructure.  ACI extends ACI policies from DC to the campus to the WAN and access edge. Business Agility  Automation takes the manual management steps and moves them into a software‐based automation platform that accelerates infrastructure processes by orders of magnitude.  Cisco ACI-enabled data centre makes it dramatically easier to represent business in application requirements dues to it’s application centric and policy based nature.
  6. 6. 6 Ten Important facts for Evaluating SDN solutions 3. Supporting Multivendor Ecosystems Benefit 2. Easier policy implementation 4. Understanding the importance of controllers ACI has a large ecosystem of firewall, ADC and security partners Key to drive down complexity, operational overhead and dealing with scale The key software policy repository that is the brains of your IT automation. 5. Speaking the Right Language How infrastructure is automated and the flexibility in programming it 1. Programmability over manual configuration Agile networks, greater flexibility and sophisticated polices Fact
  7. 7. 7 Ten Important facts for Evaluating SDN solutions 8. Extensible Architecture Benefit 7. Making use of Cloud Automation Tools 9. Choice of Open Source SDN platform Must be based on open, extensible architecture to multivendor IT infra Cloud platforms (like OpenStack) rely on programmability of SDN controllers Should support all major server, hypervisor and container platforms. 10. Keeping it seamless Should keep virtual, bare-metal, policies, automation tools and cloud seamless Fact 6. Using the Northbound Lane Northbound API specification can greatly influence the programming of the Infra
  8. 8. Why Cisco Application Centric Infrastructure? Cisco’s Application Centric Infrastructure is designed with all the comprehensive benefits that have been outlined in mind
  9. 9. Download the e-book: http://cs.co/csSDNforDummies
  10. 10. Reference • Slide deck is based on the book: “SDN for dummies” by Brian Underdahl and Gary Kinghorn (www.cisco.com/go/sdnfordummies)

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