Added Architecture Guide Overview & Specification

[AGL/documentation.git] / docs / 2_Architecture_Guides / 1_Introduction / 0_Overview.md

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+---
+title: Overview
+---
+
+The AGL Unified Code Base (UCB) is a Linux distribution built from the ground up
+through a joint effort by automakers and suppliers to deliver a modern
+in-vehicle infotainment and connected car experience for consumers. Further
+helping reduce fragmentation and facilitate innovation in the development
+process. The following use cases are in development or planned to be developed :
+
+ - In Vehicle Infotainment (IVI)
+ - Instrument Cluster (IC)
+ - Telematics
+ - and more :
+     - Heads-up Display (HUD)
+     - Advanced Driver Assistance Systems (ADAS)
+     - Autonomous Driving (AD)
+
+The goal of the UCB platform is to provide 70-80% of the starting
+point for a production project. This enables automakers and suppliers to focus
+their resources on customizing the other 20-30% to meet their unique product needs.
+
+The [System Architecture Team](https://wiki.automotivelinux.org/agl-sat) defines the overall architecture of the AGL
+software according to the business requirements established by the [Steering Committee](https://www.automotivelinux.org/about/steering-committee/).
+
+There are multiple parallel efforts in the areas of the following, with most having specialized [Expert Groups
+(EG)](https://wiki.automotivelinux.org/#active_expert_groups) :
+
+   - [App Framework and Security](https://wiki.automotivelinux.org/eg-app-fw)
+   - [Navigation](https://wiki.automotivelinux.org/eg-navi)
+   - [Speech](https://wiki.automotivelinux.org/eg-speech)
+   - [UI and Graphics](https://wiki.automotivelinux.org/eg-ui-graphics)
+   - [Connectivity](https://wiki.automotivelinux.org/eg-connectivity)
+   - [Continuous Integration and Test](https://wiki.automotivelinux.org/eg-ciat)
+   - [Instrument Cluster](https://wiki.automotivelinux.org/eg-ic)
+   - In Vehicle Infotainment (IVI)
+   - [Reference Hardware System Architecture](https://wiki.automotivelinux.org/eg-rhsa)
+   - Telematics
+   - [Requirements Specification](https://wiki.automotivelinux.org/eg-requirements-specification)
+   - [Vehicle to Cloud](https://wiki.automotivelinux.org/eg-v2c)
+   - [Virtualization](https://wiki.automotivelinux.org/eg-virt)
+
+The Automotive Grade Linux Software Architecture diagram is below. The architecture consists
+of five layers. The App/HMI layer contains applications with their associated business logic and
+HMI.
+
+![Architecture Diagram](architecture.jpg)
+
+The Application Framework layer provides the APIs for creating both managing and running
+applications on an AGL system. The Services layer contains user space services that all
+applications can access. The Operating System (OS) layer provides the Linux kernel and device
+drivers along with standard OS utilities. For IVI (In Vehicle Infotainment)
+system a full fledged demo is [available](../../0_Getting_Started/1_Quickstart/Using_Ready_Made_Images.md).
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