What are the supported N-VDS modes?
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A. B. C. D. E.BD.
N-VDS Mode: There are 2 modes for N-VDS: Standard or Enhanced Datapath.
http://www.vstellar.com/2018/08/03/learning-nsx-t-part-8configuring-transport-zone-and-transport-nodes/NSX-T Data Center provides the ability to configure different types of network switches through the concept of N-VDS (NSX Managed Virtual Distributed Switch). An N-VDS is a software-based network switch that provides connectivity for virtual machines and container workloads. N-VDS supports different modes to suit different types of workloads and traffic patterns. The supported N-VDS modes are as follows:
A. DPDK Datapath: DPDK (Data Plane Development Kit) is a set of libraries and drivers that provides high-performance packet processing for network functions. DPDK datapath mode provides low-latency, high-throughput packet processing by leveraging DPDK libraries. DPDK datapath mode is suited for high-performance workloads such as NFV (Network Function Virtualization) and Telco applications.
B. Enhanced Datapath: Enhanced datapath mode provides a high-performance packet processing engine that is optimized for NSX-T Data Center. It provides packet acceleration using kernel-bypass techniques, and supports advanced features such as packet duplication, packet steering, and packet filtering. Enhanced datapath mode is suited for virtualized workloads that require high-performance networking.
C. Overlay Datapath: Overlay datapath mode provides a software-based network overlay that enables the creation of virtual networks that are decoupled from the underlying physical network. Overlay datapath mode uses encapsulation techniques such as VXLAN, Geneve, and NSH to provide connectivity between virtual machines and containers across different physical hosts. Overlay datapath mode is suited for multi-tenant environments where virtual networks need to be isolated from each other.
D. Standard Datapath: Standard datapath mode is a basic mode that provides standard networking capabilities such as VLAN tagging, MAC learning, and L2 bridging. Standard datapath mode is suited for simple virtualized workloads that do not require advanced networking capabilities.
E. Secure Datapath: Secure datapath mode is a mode that provides secure connectivity for sensitive workloads. It uses hardware-based encryption and decryption to protect data in transit. Secure datapath mode is suited for workloads that require high levels of security, such as financial services, government, and healthcare.
In summary, NSX-T Data Center provides multiple N-VDS modes to support different types of workloads and traffic patterns. These modes include DPDK datapath, Enhanced datapath, Overlay datapath, Standard datapath, and Secure datapath. Each mode is optimized for a specific use case and provides different levels of performance and functionality.