Decoding OTT: Unraveling the Architecture Behind Seamless Streaming
Tags: ott, streaming, player, tutorial
Published: 2024-01-07 11:49:48

This document aims to provide you with a simple and accessible overview of the key concepts behind the OTT streaming platform. Whether you're a curious enthusiast, a budding developer, or someone just starting to explore the world of online streaming, this guide is here to help you understand the basics.

_High level design of an OTT platform_

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ce64xqi14jgie9rxbwu3.png)


Here are some common micro-services that might be part of an OTT platform:

## User Management Service:
 Handles user registration, authentication, and authorisation.

Please find the HLD (High Level Design) [Here](https://dev.to/binoy123/user-management-unveiled-an-architectural-overview-2a00) 

## Content Management Service:

 Manages the catalog of available content, including metadata, thumbnails, and categorisation.

Please find the HLD (High Level Design) [Here](https://dev.to/binoy123/streamease-navigating-ott-content-management-5193)

## Subscription and Billing Service:

 Handles user subscriptions, billing, and payment processing.

Please find the HLD (High Level Design) [Here](https://dev.to/binoy123/subscription-essentials-a-high-level-overview-39ej)

## Video Encoding and Streaming Service:

Video encoding for Over-The-Top (OTT) streaming involves converting video content for internet delivery. It includes choosing suitable codecs (e.g., H.264, H.265/HEVC), adjusting resolution, bitrate, and frame rate for diverse devices, setting keyframe intervals, implementing adaptive bitrate streaming (DASH, HLS), packaging content with standard protocols, integrating DRM for security, conducting regular testing, and optimising storage for efficient delivery.

Please find the HLD (High Level Design) [Here](https://dev.to/binoy123/revolutionizing-content-delivery-an-introduction-to-video-encoding-and-ott-streaming-53gf)


## Recommendation Service:

 Provides personalised content recommendations based on user preferences and viewing history.


Please find the HLD (High Level Design) [Here](https://dev.to/binoy123/introduction-to-recommendation-service-21jm)

# Search Service:

 Enables users to search for content within the platform.
Analytics Service: Collects and analyses user behaviour, viewing patterns, and other relevant data to improve the platform.

Please find the HLD (High Level Design) [Here](https://dev.to/binoy123/discoversearch-a-high-level-insight-into-search-services-2kaf)

# Notification Service:

A Notification Service in an Over-The-Top (OTT) platform is responsible for sending notifications to users, keeping them informed about relevant updates, recommendations, and subscription-related information. 

[Here](https://dev.to/binoy123/unveiling-notification-services-a-primer-4o69) are the key components typically found in a Notification Service:


# Client-side application:
 When developing an OTT application, various platforms to reach a wide audience should be considered.


Please find the HLD (High Level Design) [Here](https://dev.to/binoy123/streaming-excellence-crafting-an-exceptional-ott-client-side-application-2d6d)