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Ten essential network virtualization definitions
SDN has sparked discussion about what network virtualization truly is. Here are 10 key network virtualization definitions that explain the basics. Feature
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Will the VMware-Cisco partnership become irrelevant?
The VMware-Cisco relationship started out as a tech partnership but is turning into a war. Which company will control network virtualization and SDN? Opinion
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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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Software defined networking for the private cloud network bottleneck?
Manual networks stifle the otherwise automated private cloud. Can software defined networking and network virtualization solve the problem? Feature
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IBM DOVE: Big Blue enters the network virtualization battleground
Look out Nicira and Big Switch, IBM is developing a network virtualization strategy that relies on its own virtual network overlay technology. Feature
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Opinion: Big Switch's OpenFlow play is big news for cloud networking
Cloud services require a more dynamic approach to networking like OpenFlow offers. Big Switch Networks' cloud networking play, Open SDN, appears to be a promising answer. Opinion
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Overheard on Twitter: SDN security, VXLAN, OpenFlow, programmability
SearchSDN explored Twitter and saw users discussing SDN security, VXLAN and OpenFlow, and SDN programmability. News | 17 Jun 2013
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SDN Blog roundup: OpenDaylight controller details; SDN/IP gateways
In this week's SDN blog roundup, bloggers discuss OpenFlow and SDN basics, SDN/IP gateways and details regarding the new OpenDaylight controller. News | 14 Jun 2013
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F5 enables NVGRE gateway and Windows Azure cloud support
F5 Networks added NVGRE gateway support for network virtualization and virtual BIG-IP availability in Microsoft's Azure cloud. News | 10 Jun 2013
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Overheard on Twitter: Security and the Cisco business architecture
SearchSDN explored Twitter and saw users discussing the Cisco Partner Summit and Cisco's plans for security, collaboration and business architecture. News | 10 Jun 2013
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Cisco Partner Summit: Partners positive about Cisco SDN strategy
With Cisco's partner summit under way, attendees talk Cisco's stance on SDN, what they're hoping to hear and the future of Cisco's SDN strategy. News | 07 Jun 2013
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SDN blog roundup: Why OSGi and Maven matter in SDN; network jobs gone?
In this week's SDN blog roundup, bloggers discuss where hardware comes into play with network virtualization, and OpenDaylight and Maven and OSGi. News | 05 Jun 2013
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SDN blog roundup: SDN scalability, QoS and new telecom strategies
SDN bloggers discuss SDN scalability, an end-to-end use case for QoS and SDN, waiting on OpenFlow, and how SDN can be applied to telecom networks. News | 31 May 2013
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An SDN use case for collaboration and video -- that produces revenue
Sonus Networks has found an SDN use case for collaboration and video that will enable capacity on demand, and could even produce new revenue streams. News | 30 May 2013
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SDN blog roundup: Cisco on SDN as Bigfoot, plus OpenFlow and Wireshark
In this week's SDN blog roundup, bloggers discuss Cisco's SDN Bigfoot analogy, OpenFlow and Wireshark, and whether SDN is an industry con. News | 22 May 2013
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Overheard on Twitter: SDN standards; SDN vs. network virtualization
SearchSDN explored Twitter and saw users discussing vendor opportunities surrounding SDN, as well as SDN standards and SDN vs. network virtualization. News | 21 May 2013
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Understanding the relationship between SDN and NFV
SDN and NFV are not part and parcel to each other, but when the two sets of technology meet they advance each other's capabilities. Expert Tip
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How network functions virtualization will revolutionize architecture
Using NFV, engineers can virtualize devices and services in large networks to make their architectures cost efficient and flexible. Tip
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Parsing through the software-defined storage hype
Software-defined storage can be many technologies, but most aim for decoupled software, automated provisioning and non-proprietary systems. Tip
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Centralized vs. decentralized SDN architecture: Which works for you?
Two SDN architecture models -- centralized and decentralized -- have much in common, but key differences center on the use of the OpenFlow protocol. 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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Network functions virtualization primer: Software devices take over
With network functions virtualization (NFV), engineers replace network devices with software on basic servers for flexibility and cost reduction. 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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Software-defined networking could make Network-as-a-Service a reality
Software-defined networking could solve the problems that Ethernet and IP networking pose to Network-as-a-Service by centralizing a connection permission policy. Tip
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Why do I need SDN technology?
SDN is valuable, but uses extend to other parts of the network for increased network flexibility, dynamic traffic flow, decreased latency and QoS. 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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Why you need a hybrid network while migrating to SDN
While migrating to software-defined networking, hybrid SDN and traditional networks must support both physical and virtual switching environments. Answer
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SDN, network virtualization: Are they the same?
Despite differences, SDN and network virtualization share common elements to direct network resources to VMs and segment or consolidate networks. Answer
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What are the benefits of IPv6 in SDN and network virtualization?
One of the benefits of IPv6 is that it makes software defined networking and network virtualization scale easily, IPv6 expert Ciprian Popoviciu says. Answer
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network hypervisor
A network hypervisor is a program that provides an abstraction layer for network hardware. Network hypervisors allow network engineers to create virtual networks that are completely decoupled and independent from the underlying physical network. Definition
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programmable network (PN)
A programmable network is one in which the behavior of network devices and flow control is handled by software that operates independently from network hardware. Definition
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Nicira Network Virtualization Platform (Nicira NVP)
Nicira NVP is network virtualization software that manages an abstraction layer between end systems and the physical network infrastructure and enables the creation of independently operable virtual networks. Definition
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network functions virtualization (NFV)
Network functions virtualization (NFV) is an initiative to virtualize network functions previously carried out by dedicated hardware. Definition
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Mininet
Mininet is a software emulator for prototyping a large network on a single machine. Definition
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NVGRE (Network Virtualization using Generic Routing Encapsulation)
NVGRE (Network Virtualization using Generic Routing Encapsulation) is a network virtualization method that uses encapsulation to create large numbers of virtual LANs (VLANs) for subnets that can extend across dispersed data centers and Layers 2 and ... Definition
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VXLAN gateway (Virtual Extensible VLAN gateway)
A VXLAN gateway is a solution that allows a virtual extensible LAN (VXLAN) to communicate with another network, particularly a virtual LAN (VLAN). Definition
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Software-defined network technology interest now, future investment
Survey trends reveal IT professionals have interest in software-defined network technology but are not ready to bring the technology to primetime. Slideshow
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Overheard on Twitter: SDN security, VXLAN, OpenFlow, programmability
SearchSDN explored Twitter and saw users discussing SDN security, VXLAN and OpenFlow, and SDN programmability. News
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SDN Blog roundup: OpenDaylight controller details; SDN/IP gateways
In this week's SDN blog roundup, bloggers discuss OpenFlow and SDN basics, SDN/IP gateways and details regarding the new OpenDaylight controller. News
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Understanding the relationship between SDN and NFV
SDN and NFV are not part and parcel to each other, but when the two sets of technology meet they advance each other's capabilities. Expert Tip
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F5 enables NVGRE gateway and Windows Azure cloud support
F5 Networks added NVGRE gateway support for network virtualization and virtual BIG-IP availability in Microsoft's Azure cloud. News
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Overheard on Twitter: Security and the Cisco business architecture
SearchSDN explored Twitter and saw users discussing the Cisco Partner Summit and Cisco's plans for security, collaboration and business architecture. News
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Cisco Partner Summit: Partners positive about Cisco SDN strategy
With Cisco's partner summit under way, attendees talk Cisco's stance on SDN, what they're hoping to hear and the future of Cisco's SDN strategy. News
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SDN blog roundup: Why OSGi and Maven matter in SDN; network jobs gone?
In this week's SDN blog roundup, bloggers discuss where hardware comes into play with network virtualization, and OpenDaylight and Maven and OSGi. News
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Ten essential network virtualization definitions
SDN has sparked discussion about what network virtualization truly is. Here are 10 key network virtualization definitions that explain the basics. Feature
-
network hypervisor
A network hypervisor is a program that provides an abstraction layer for network hardware. Network hypervisors allow network engineers to create virtual networks that are completely decoupled and independent from the underlying physical network. Definition
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SDN blog roundup: SDN scalability, QoS and new telecom strategies
SDN bloggers discuss SDN scalability, an end-to-end use case for QoS and SDN, waiting on OpenFlow, and how SDN can be applied to telecom networks. News
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About SDN network virtualization
SDN makes network virtualization possible in completely new ways. Learn how SDN will be used for dynamic network virtualization provisioning in this topic section. We'll explore how SDN will be used to control network software overlays and virtual switches. You'll also learn about network virtualization that goes beyond the data center into the WAN and LAN. Also learn about how SDN will play a key role in cloud multi-tenant networks with our news, expert advice, tips and more.