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The role for XMPP as a southbound SDN protocol
How can XMPP be used in hybrid software-defined networking as an alternative or complement to OpenFlow? Feature
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Border Gateway Protocol as a hybrid SDN protocol
Border Gateway Protocol (BGP), a well-known core Internet protocol, is being adapted for use as a hybrid SDN protocol. Feature
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Guide: Vendors take alternatives to OpenFlow SDN
SDN can be implemented with a centralized controller or distributed architecture. In choosing SDN technologies, is a complete overhaul necessary? guide
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OpenFlow protocol guide: SDN controllers and apps
The OpenFlow protocol is the first SDN language to be productized and implemented. Learn about OpenFlow SDN controllers and apps in this guide. guide
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Northbound API guide: The new network application
SDN promises network programmability with northbound APIs that allow a new set of network applications to granularly control and manage the network. Guide
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A primer on northbound APIs: Their role in a software-defined network
This primer explores the concept of SDN northbound APIs, their key benefits, who's using them and why. Primer
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OpenFlow protocol primer: Looking under the hood
We know the OpenFlow protocol can be used to abstract the network control plane from underlying physical infrastructure, but how exactly does the protocol work? Feature
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The application tier of a software-defined networking architecture
In a software-defined networking architecture, controller-based OpenFlow applications could deliver highly scalable, efficient and manageable network services. Feature
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Big Switch abandons OpenDaylight after controller spat with Cisco
Big Switch has left the OpenDaylight Project over the perceived influence of incumbent vendors like Cisco and IBM. News | 06 Jun 2013
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SDN blog roundup: Facebook switch, OpenDaylight controller in action
This week in SDN blogs we learn about the new Facebook switch, EMC's software-defined storage and how to install the OpenDaylight controller. News | 10 May 2013
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Five SDN problems aired by analyst Jim Metzler
Software-defined networking is exciting, but analyst Jim Metzler says there are five SDN problems that must be addressed before users can invest. News | 09 May 2013
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Contrail: The Juniper SDN controller for virtual overlay network
Juniper's SDN product line, JunosV Contrail, debuts with an XMPP-based controller for a virtual overlay network with BGP-based scale. News | 09 May 2013
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NEC SDN applications and open northbound API: Will OpenDaylight bite?
NEC unveiled SDN applications built on an open northbound API to optimize and secure the cloud. Will OpenDaylight use the interface as a standard? News | 08 May 2013
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Keeping OpenDaylight truly open: Q&A with Brocade's Dave Meyer
Brocade CTO Dave Meyer, chairman of the technical steering committee for OpenDaylight, describes his agenda for openness in this Q&A. News | 03 May 2013
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SDN is promising, but are engineers ready for network programmability?
In SDN, open APIs and network programmability stand ready to forever change network management strategies. Are engineers ready to dump their old ways? Opinion | 29 Apr 2013
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SDN technology for network management better be more than middleware
SDN technology stands to change forever the way networks are managed, as long as it's as ubiquitous as SNMP while being a whole lot more capable. Opinion | 10 Apr 2013
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OpenDaylight: Can hardware vendors really lead open source SDN?
With the OpenDaylight Project, vendors are hoping to collaborate on open source SDN. But it could turn into a battlefield for an SDN holy war. News | 09 Apr 2013
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Daylight project: Big bucks to contribute to open source controller
Vendors in the secretive SDN-based Daylight project are devoting significant resources to building an open source controller. Column | 18 Mar 2013
- See more News on SDN control plane
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In mobile networks, SDN and NFV mean service orchestration
In mobile networks today, it can take months to deploy infrastructure and services, but SDN and NFV allow for orchestration and dynamic provisioning. Tip
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OpenFlow configuration protocols: Understanding OF-Config and OVSDB
OpenFlow directs network packet flows, but OpenFlow configuration protocols, OF-Config and OVSDB, form relationships between controllers and switches. Expert Tip
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SDN technologies primer: Revolution or evolution in architecture?
SDN can be implemented with a centralized controller or distributed architecture. In choosing SDN technologies, is a complete overhaul necessary? Tip
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Software defined networking security enables granular policy control
Software defined networking introduces network programmability and granular traffic management, which could contribute to enhanced SDN security. Expert tip
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SDN security challenges alongside the potential of a new technology
With the promise of programmable networks will come a slew of SDN security challenges, including the need to protect the new network controller. Expert Tip
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Floodlight primer: An OpenFlow controller
In software-defined networks, engineers use Floodlight controllers to manage physical and virtual devices -- and each traffic flow running between them. Expert Tip
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How to test if software-defined networking standards are really open
If software-defined networking standards are to work, they must be truly open. But how can users and developers be sure software-centric networking standards are really open? Tip
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Why software-defined networking is becoming a reality
Software-defined networking isn't a new concept, but it's newly able to evolve due to fast processing speeds. Will that mean a future for network application development? Tip
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Should I use the OpenFlow protocol in software-defined networks?
The OpenFlow protocol isn't required for SDN, although the Open Network Foundation recommends it, which means networking vendors have options. Answer
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Specialized SDN controllers: Are they necessary?
An SDN controller, with or without OpenFlow, is not required for a software-defined network, and SDN architecture vendors take different approaches. Answer
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Is SDN a centralized or distributed network architecture?
A software-defined network can have a centralized or distributed network architecture in the data center, LAN and WAN, depending on business needs. Answer
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What is the difference between an overlay network and SDN?
A software-defined network can be deployed as overlay networks to a physical network or natively as the primary network to improve flexibility. Answer
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Does software-defined networking require special SDN switches?
Software-defined networks do not require special SDN switches; instead, vendors offer a variety of SDN controllers, network fabrics and hardware. Answer
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Where do network fabric and SDN technologies intersect?
Networks can use a network fabric and SDN technologies together, and vendors' SDN architectures integrate them in a variety different ways. Answer
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Do I need to use an SDN controller for software-defined networking?
An SDN controller, with or without OpenFlow, is not required for a software-defined network, and SDN architecture vendors take different approaches. Ask the Expert
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Distributed Control Plane Architecture (DCPA)
A Distributed Control Plane Architecture (DCPA) is a network architecture that makes it possible to allocate control protocol functions across multiple processor levels in the network system. Definition
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POX
POX is an open source development platform for Python-based software-defined networking (SDN) control applications, such as OpenFlow SDN controllers. Definition
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NOX
NOX is an open source development platform for C++-based software-defined networking (SDN) control applications. Definition
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control plane (CP)
The control plane is the part of a network that carries signaling traffic and is responsible for routing. Definition
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In mobile networks, SDN and NFV mean service orchestration
In mobile networks today, it can take months to deploy infrastructure and services, but SDN and NFV allow for orchestration and dynamic provisioning. Tip
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Big Switch abandons OpenDaylight after controller spat with Cisco
Big Switch has left the OpenDaylight Project over the perceived influence of incumbent vendors like Cisco and IBM. News
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SDN blog roundup: Facebook switch, OpenDaylight controller in action
This week in SDN blogs we learn about the new Facebook switch, EMC's software-defined storage and how to install the OpenDaylight controller. News
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Five SDN problems aired by analyst Jim Metzler
Software-defined networking is exciting, but analyst Jim Metzler says there are five SDN problems that must be addressed before users can invest. News
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Contrail: The Juniper SDN controller for virtual overlay network
Juniper's SDN product line, JunosV Contrail, debuts with an XMPP-based controller for a virtual overlay network with BGP-based scale. News
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NEC SDN applications and open northbound API: Will OpenDaylight bite?
NEC unveiled SDN applications built on an open northbound API to optimize and secure the cloud. Will OpenDaylight use the interface as a standard? News
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Keeping OpenDaylight truly open: Q&A with Brocade's Dave Meyer
Brocade CTO Dave Meyer, chairman of the technical steering committee for OpenDaylight, describes his agenda for openness in this Q&A. News
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The role for XMPP as a southbound SDN protocol
How can XMPP be used in hybrid software-defined networking as an alternative or complement to OpenFlow? Feature
-
Border Gateway Protocol as a hybrid SDN protocol
Border Gateway Protocol (BGP), a well-known core Internet protocol, is being adapted for use as a hybrid SDN protocol. Feature
-
SDN is promising, but are engineers ready for network programmability?
In SDN, open APIs and network programmability stand ready to forever change network management strategies. Are engineers ready to dump their old ways? Opinion
- See more All on SDN control plane
About SDN control plane
Learn about the new SDN control plane in this topic section. We'll answer questions about centralized controllers vs. distributed controllers, and we'll explore the many flavors of OpenFlow controllers. You'll learn how the SDN control plane can change the way we implement network services and other applications, with news, expert advice, tips and more.