> For the complete documentation index, see [llms.txt](https://docs.ig3.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ig3.ai/how-ig3-works/ig3-overall-architecture.md).

# iG3 Overall Architecture

<figure><img src="/files/7c5ZUc49zOwawPhaZKt3" alt=""><figcaption><p>iG3 Overall Architecture</p></figcaption></figure>

Gateway Layer

* AI Gateway: Handles general AI inference tasks like CV, audio processing or sensor data analysis
* LLM Gateway: Manages the more resource intensive language model inference

Edge Network Layer

* Edge Devices: handle the actual computation
* Master Node: Manages orchestration, scheduling and control plane operations

Decentralized Layer

* DID: Essential for secure node authentication, reputation tracking and trust establishment.
* Smart Contracts: Critical for automated resource allocation, payment processing and SLA enforcement.


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