Despite all the buzz about software-defined networking (SDN), many organizations don’t yet have a clear idea of how it will benefit them. In this blog, I’ll tackle the what and why of SDN, and explain the different approaches you can consider.
What: A Disruptive Approach to Network Control
For the last quarter century, network devices have performed two types of processing:
- The data plane looks at a routing table to decide where to forward packets. This processing takes place in dedicated hardware ASICs.
- The control plane takes care of everything else, such as spanning tree, AAA, exporting NetFlow statistics, SNMP, and more. The control plane is implemented in software, and you can think of it as the brains of the network element.
So, if your network includes 200, 2000, or 20,000 network devices, that means you’re managing 200, 2000, or 20,000 control planes and keeping all of them up to date. Read More »
Tags: Cisco ONE, Open Network Environment, OpenFlow, OpenStack, SDN, software defined network, virtual network overlay
In our last blog on “Advanced Flow Control” we used the metaphor of a three-dimensional collection of intersecting highways of many different kinds with a wide array of vehicles carrying various types of passengers to represent the Internet of Everything (IoE). The IoE concept has come a long way since it was first coined by the Auto-ID Center. Today the concept has broadened into a catch all for current and future network-connected endpoints, from smart meters to vending machines, security cameras, all forms of transportation, and consumer electronics ─ not to mention PCs, tablets, and smartphones. People with electronic tags will one day be connected to the IoE to monitor their health. Many dogs and cats already have chips for location tracking. The opportunity for new services will be unlimited and customers will expect instant access to networking resources to launch, alter, or eliminate those services.
Instant Resources for a Spontaneous World Read More »
Tags: advanced flow control, Cisco ONE, Internet of Everything, IoE, Open Network Environment, programmable network, SDN, Service Provider
The increasing diversity and complexity of traffic traversing the Internet of Everything today can be imagined as a three-dimensional collection of intersecting highways of different kinds (e.g., corporate WAN, Internet, mobile, Wi-Fi, cellular, cable, cloud), with a wide array of vehicles (e.g., PCs, tablets, smartphones) carrying various types of passengers (e.g., data, voice, video, email, SMS, Web). Emerging traffic from the new category of machine-to-machine communications is scaling exponentially and introducing new policy triggers.
In this new environment network operators must become master traffic controllers to deal with all of the volume, diversity, and complexity. The most innovative and forward-looking experts are aggressively looking into providing more open programmatic access to their network functions and services. The goal is easier and faster control, in order to make them more agile, flexible and application interactive while at the same time optimally aligning costs with potential new revenues.
Cisco ONE Building Blocks: Controllers and Agents
Software Defined Networking (SDN) plays a key role within Read More »
Tags: advanced flow control, Cisco, Cisco ONE, Internet of Everything, Open Network Environment, Service Provider, virtualization
In our last blog, we talked about the next generation Internet. It will be about the Internet of Everything ─ people-to-people, machine-to-machine, machine-to-people, trillions of things coming online in coming years. Software Defined Networking (SDN) is only part of the overall solution. Real-time intelligence, automation and orchestration, instantaneous responsiveness, and unprecedented business and operational agility require a much broader approach. At Cisco we’re already creating the network of the future with our integrated framework, the Cisco Open Network Environment (Cisco ONE).
So now let’s come down to Earth and explore what all of this really means to an average service provider. What new capabilities and use cases does Cisco ONE enable right now? How does what we’re doing lay another building block for the Internet of Everything?
Start by Visualizing Your Network Read More »
Tags: Cisco ONE, Internet of Everything, Open Network Environment, SDN, Service Provider, software defined network
Topics such as Software Defined Networking and programmable networks are of great interest to many network operators these days. With that in mind we’re pleased to kick off a new series of Webcasts to help our customer learn more about Cisco’s Open Network Environment strategy.
Please join us on April 9, 2013 at 9:00 am Pacific Time / 12:00 pm Eastern Time for an educational webcast featuring Ayman Sayed, Cisco Senior Vice President of the Network Operating Systems Technology Group. As part of the Cisco Open Network Environment (ONE) educational series, this session will focus on the Cisco One Platform Kit (onePK). Speakers will talk through how this easy-to-use toolkit provides users access to the valuable data and services inside the network for development, automation and rapid service creation with Cisco’s onePK SDK.
During the hour, Cisco technology experts will join with industry leaders to discuss their experience with Cisco’s onePK. Industry experts include:
- Kamil Knotek, Chief of Research and Development, Pramacom Prague spol. s r.o.
- Brendon Whateley, Principal Solutions Architect, Starview Inc.
Subject matter experts will also be on hand to answer your questions live. Read More »
Tags: Cisco ONE, onePK, Open Network Environment, Service Provider, software defined network, webinar