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Network World - VMware hopes to make the networking components of its soon-to-be-released vCloud Hybrid Service one of its biggest selling points, and in doing so the company plans to build one the largest software-defined networking (SDN) deployments in the industry.
It should come as no surprise that VMware is hoping to focus the conversation on networking; after all, the company dropped $1.2 billion last year to buy Nicira, a darling of the budding software-defined networking movement.
"We're an aggressive user of SDN technology," says Mathew Lodge, VMware's VP of cloud services. VMware's vCloud Hybrid Service will include a high-volume, low-latency networking architecture, and pretty much everything other than x86-based networking switches will be managed by software, he says.
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VMware's networking capabilities will be based on the technology it bought from Nicira, combined with elements of its security and networking features from before the acquisition. Customers will be able to create their own virtual networks and configure them as they choose, install firewalls and set access policies within the network, and replicate and delete networks within the system. Pretty much anything that could have been done in a physical network with boxes and hardware, VMware can do using software controlled through application programming interfaces (APIs), Lodge adds.
As an example, a customer could create a separate network for traffic between an on-premises application from SAP, for example, and a database in the cloud. The segmentation technology allows only database traffic to travel in that tunnel. "It's a complete virtual network," Lodge says. "We're one of the biggest users of our own technology."
Rolling out such virtual networking features is central to the entire premise of the vCloud Hybrid Service, Lodge says. One of the biggest draws for VMware's public cloud, he says, is that it's the easiest way to migrate legacy applications that run in on-premises environments managed by VMware onto the public cloud. Customers can use the same VMware management platform running in their own data centers as in VMware's public cloud, creating this hybrid cloud service.
To enable that connection between the public cloud and on-premises resources, VMware had to not only provide a network topology to allow this hybrid connectivity, but provide security and networking features, such as load balancing, firewalling and segmentation.
VMware isn't the only one to provide this type of capability. But Paul Burns, an analyst at Neovise, is happy to see this functionality come to the cloud. "It's been an area of the cloud that providers have been lacking in," he says about granular control of networks. "It's one of the things that have kept traditional enterprise apps out of the cloud. Even if customers felt the cloud was reliable, they didn't feel like they could configure the network appropriately."
Rackspace recently made some hay about it rolling out Vyatta virtual firewalling technology into its cloud, which is a service Amazon Web Services previously had.