Access "Overlays may be the best path forward for networking"
This article is part of the April 2013 issue of Hybrid Cloud networking falls short, but not for long
The network must virtualize, and overlay networks may be the best path available. The demand for network virtualization is prompted by the cloud provider community’s quest for a new way to manage, orchestrate and automate network management. Traditional networks just can’t keep pace with the cloud’s requirements for agility, flexibility and manageability. In an effort to evolve, the networking industry is virtualizing networks to give them properties similar to server virtualization. This network virtualization involves networks being decoupled from hardware, with the flexibility of virtualization and quick provisioning speeds. One way to decouple networks is to create a virtual network abstraction. Just like server virtualization provided a virtual machine abstraction from x86 hardware, networks can provide virtual network abstractions with the same properties and operational simplicity. How can you create virtual network abstractions? This is where overlay networks come into play. Role of Overlays in Network Virtualization An overlay is essentially a ... Access >>>
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Hybrid cloud networking falls short, but not for long
by Shamus McGillicuddy and Rivka Gewirtz Little
Hybrid cloud networking falls short of enabling total orchestration across public and private clouds. Software-defined networking, network virtualization and orchestration tools will change that.
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Overlays may be the best path forward for networking
by Sally Johnson
Vendors VMware, Big Switch, Cisco, and others are working to come up with the ‘winning’ overlay approach to creating virtual network abstractions.
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Hybrid cloud networking falls short, but not for long
by Shamus McGillicuddy and Rivka Gewirtz Little
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Integrating physical and virtual networks: Virtual switching tactics
by David Geer
In order to make networks flexible enough to support cloud orchestration, engineers will have to bridge physical and virtual networks.
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How virtual switching integrates the network edge
by David Geer
Learn how a cloud provider and a collocation center use virtual switching to integrate physical and virtual networks.
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Integrating physical and virtual networks: Virtual switching tactics
by David Geer
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Columns
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After much talk, network virtualization is finally becoming a reality
by Rivka Gewirtz Little
For years, companies like Cisco have promised network virtualization, but with network software overlays and software-defined networking, the technology is finally coming to life.
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After much talk, network virtualization is finally becoming a reality
by Rivka Gewirtz Little
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