Chapter 4. CSR 1000V Software Architecture
This chapter describes the software design of the CSR 1000V and details the data plane design. It also illustrates the software implementation and packet flow within the CSR 1000V, as well as how to bring up the CSR 1000V.
System Design
CSR 1000V is a virtualized software router that runs the IOS XE operating system.
IOS XE uses Linux as the kernel, whereas the IOS daemon (IOSd) runs as a Linux process providing the core set of IOS features and functionality. IOS XE provides a native Linux infrastructure for distributing the control plane forwarding state into an accelerated data path. The control and data planes in IOS XE are separated into different processes, and the infrastructure to communicate ...
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