Email Alerts
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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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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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Alcatel-Lucent launches an SDN company, Nuage Networks
Nuage Networks, Alcatel-Lucent's new SDN company, uses overlay technology for dynamic provisioning of virtual networks across data center domains. News | 03 Apr 2013
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Networking blog roundup: Peek at VMware-Nicira network virtualization
In this networking blog roundup bloggers discuss VMware-Nicira network virtualization, the impact of the Open Compute project and their hopes for VDI. Fast packet | 04 Feb 2013
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Martin Casado on the future of VMware-Nicira technology
Martin Casado discusses the future of VMware-Nicira technology, and says a hypervisor-agnostic network virtualization platform could be on the way. News | 12 Nov 2012
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New VXLAN gateways integrate virtual and physical networking features
VXLAN gateway demos at VMworld revealed why a network overlay cannot operate in a vacuum from the underlying physical network. News | 06 Sep 2012
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New VMware networking features at VMworld, but no Nicira info
VMware debuted a network virtualization package, vCloud Networking and Security, and updated distributed vSwitch at Vmworld, but no Nicira details. News | 28 Aug 2012
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Arista: SDN is about programmable networks not overlays
Arista EOS already lets engineers build programmable networks and provision network segments, so why bother with software defined network overlays? Q&A | 16 Aug 2012
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VMware acquires network virtualization vendor Nicira for $1.2B
Server virtualization leader VMware boosts its networking credentials by acquiring network virtualization startup Nicira Networks. News | 24 Jul 2012
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With Plexxi's SDN strategy, why bother with network fabric?
The Plexxi SDN strategy uses optical interconnects to link Ethernet switches and a controller with open APIs that enhance application performance far beyond network fabrics. Fast Packet | 29 Jun 2012
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VMware networking CTO on OpenFlow
In part two of our Q&A with VMware networking CTO Allwyn Sequeira, we ask him about VMware's plans for OpenFlow.. Q&A | 19 Jun 2012
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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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Private cloud network VLAN problems: Is OpenFlow the answer?
In order to create dynamic private cloud networks, engineers will turn to software-defined networking and control planes that integrate virtual and physical switching. 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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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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Path Computation Element Protocol (PCEP)
Path Computation Element (PCE) is a network component, application or node that can apply computational constraints and compute a network path or route by applying computational constraints in real time. Definition
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overlay network
An overlay network is a telecommunications network that runs independently on top of another one, although supported by its infrastructure. Definition
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SDN overlay (software defined networking overlay)
An SDN overlay is a deployment method for network virtualization and software-defined networking (SDN) that involves running a logically separate network or network component on top of existing infrastructure. Definition
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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
-
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
-
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
-
Alcatel-Lucent launches an SDN company, Nuage Networks
Nuage Networks, Alcatel-Lucent's new SDN company, uses overlay technology for dynamic provisioning of virtual networks across data center domains. News
-
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
-
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
-
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
-
Path Computation Element Protocol (PCEP)
Path Computation Element (PCE) is a network component, application or node that can apply computational constraints and compute a network path or route by applying computational constraints in real time. Definition
-
overlay network
An overlay network is a telecommunications network that runs independently on top of another one, although supported by its infrastructure. Definition
-
SDN overlay (software defined networking overlay)
An SDN overlay is a deployment method for network virtualization and software-defined networking (SDN) that involves running a logically separate network or network component on top of existing infrastructure. Definition
- See more All on Network overlay software
About Network overlay software
Network overlay software will be essential to creating flexible, automated virtual networks that can support the cloud. In this section, learn about how virtual switches, along with SDN technology, will work with network overlays to create flexible virtual networks that can be provisioned on demand.