-
In the beginning, there was APP
In the beginning, there was APP As they say, in the beginning, was the APP. The app needed to communicate. And the network was born. And in the network lived services that the APP needed. And it all multiplied. With many apps, interacting with many services. This blog is about the genesis of the next-generation of NetScaler SDX, our consolidated service delivery networking platform for software ...
-
Software-defined: Quest for the perfectly browned toast
Around the beginning of this year I had offered some predictions about where networking might venture in 2012. Perhaps a tad behind schedule, but as if on cue, software-defined networking (SDN) has emerged at the front and center of networking this year, with VMware’s acquisition of Nicira. In this blog post, I am here to suggest that over a billion dollars later, this marriage’s ability to ...
-
TriScale Clustering: The Story of Pizzas and Zebras
At NetScaler, we sowed the seeds of clustering in 2007 when we embarked on our journey to the nCore architecture. The shared-nothing communicating sequential process model of nCore was designed with distributed multi-core multi-node topologies in mind, in anticipation of not only NUMA and NUIOA, but also horizontal scale out clustering. Countless lines of code changes in numerous files, a few dozen patents and 5 years ...
-
VXLAN – Open Cloud Networking
Cloud computing and virtual computing have been good at breaking down the traditional silos in IT shops. But when it comes to cloud networking, a new kind of sub-optimal division of labor has been becoming prevalent. This is the divide between networking in the hypervisor, and networking in the physical boxes. Between virtual switches in hosts, and physical ones in the network. Between provider networks ...