DOCA Services Overview
This document describes the set of services provided by DOCA and their purpose.
DOCA services are DOCA-based products, wrapped in a container for fast and easy deployment on top of the NVIDIA® BlueField® DPU. DOCA services leverage DPU capabilities to offer telemetry, time synchronization, networking solutions, and more.
In addition to DOCA services, some DOCA applications are containerized to enable rapid deployment and testing without spending much time on configuration. Services and application containers can be found under the official NGC catalog, both labeled under the "DOCA" and "DPU" NGC labels.
For information on the deployment of the services, refer to the NVIDIA DOCA Container Deployment Guide.
DOCA BlueMan service runs in the DPU as a standalone web dashboard and consolidates all the basic information, health, and telemetry counters into a single interface. This friendly, easy-to-use web dashboard acts as a one-stop shop for all the information needed to monitor the DPU.
For more on the DOCA BlueMan service, please refer to the NVIDIA DOCA BlueMan Service Guide.
DOCA Firefly service provides precision time protocol (PTP) based time syncing services to the BlueField DPU. PTP is used to synchronize clocks in a network which, when used in conjunction with hardware support, PTP is capable of sub-microsecond accuracy, which is far better than what is normally obtainable with network time protocol (NTP).
For more on the DOCA Firefly service, please refer to the NVIDIA DOCA Firefly Service Guide.
DOCA Flow Inspector service allows monitoring real-time data and extraction of telemetry components which can be utilized by various services for security, big data and more.
Specific mirrored packets can be transferred to Flow Inspector for parsing and analyzing. These packets are forwarded to DTS, which gathers predefined statistics determined by various telemetry providers.
For more on the DOCA Flow Inspector service, please refer to the NVIDIA DOCA Flow Inspector Service Guide.
DOCA Host-based Networking service orchestrates network connectivity of dynamically created VMs/containers on cloud servers. HBN service is a BGP router that supports E-VPN extension to enable multi-tenant cloud.
At its core, HBN is the Linux networking acceleration driver of the DPU, Netlink to a DOCA daemon which seamlessly accelerates Linux networking using hardware programming APIs.
For more on the DOCA HBN service, please refer to the NVIDIA DOCA HBN Service Guide.
DOCA Telemetry service (DTS) collects data from built-in providers and from external telemetry applications. Collected data is stored in binary format locally on the DPU and can be propagated onwards using Prometheus endpoint pulling, pushing to Fluent Bit, or using other supported providers. Exporting NetFlow packets collected using the DOCA Telemetry NetFlow API is a great example of DTS usage.
For more on DTS, please refer to the NVIDIA DOCA Telemetry Service Guide.
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