In this series, WebRTC expert Tsahi Levent-Levi of BlogGeek.me provides an overview of the essential parts of a real-time voice and video infrastructure—from network to software updates. Check out his informative videos and read how Agora’s platform solves the challenges so you can focus on your innovation.
Chapter 1: Introduction
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1.1 Welcome
Learn about the evolution from real-time communication (RTC) to real-time engagement (RTE) and the difference between the two.
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1.2 What is Real-Time Engagement (RTE)?
Understand the road from analog communications to real-time communication (RTC) and real-time engagement (RTE).
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1.3 Components of the RTE infrastructure
In real-time engagement (RTE), there is a lot more going on than meets the eye. Get a high-level view of RTE platform infrastructure.
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Chapter 2: Challenges
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2.1 Network
The biggest challenge in delivering a quality real-time experience is often the internet itself. Explore the potential pitfalls of network transmission.
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2.2 Codecs
The codec is an essential component of RTE and choosing the right one is important. Learn about the key considerations when selecting a codec.
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2.3 Clients
Choosing what devices to support is critical to the success of any RTE implementation. Understand development resource selection and testing strategies.
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2.4 Server Costs
One of the biggest business challenges with RTE is the cost of real-time servers. Learn about components, costs, and deployment alternatives.
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Chapter 3: Clients
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3.1 WebRTC
Browser-based RTE applications depend on WebRTC. Learn about the uses, pros, and cons of WebRTC.
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3.2 Native
Understand why native applications are often the best choice for RTE on mobile. Explore the differences between native vs web.
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3.3 Interoperability
Learn about client and device interoperability and why it is such an important consideration in the delivery of real-time experiences.
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Chapter 4: Media Processing
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4.1 One on One
Explore the mechanisms used to facilitate one-to-one RTE sessions and review potential pitfalls.
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4.2 Group Calls
Compare group RTE session architectures and understand the strengths and weaknesses of each.
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4.3 Broadcast
Learn what broadcasting is and what it means to broadcast live and interactively.
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4.4 Recording
When dealing with media processing, we need to also discuss and think about recording.
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Chapter 5: Media Servers
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5.1 Distance and Latency
Understand latency, its impact on RTE, and different ways of dealing with it to maintain a good real-time experience.
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5.2 Mixed Device Capabilities
Learn why the wide variety of user devices creates performance challenges and explore potential solutions.
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5.3 Bandwidth Estimation
Explore one of the biggest areas of concern in media servers: bandwidth estimation.
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Chapter 6: Signaling
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6.1 Signaling
Learn about the differences between messaging, signaling, and the requirements for each.
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6.2 Scale and Distribution
Learn about how signaling scales, and the important concepts of causality and group chattiness.
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Chapter 7: Maintenance
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7.1 Monitoring and Optimization
Understand why it’s essential to continuously monitor and optimize your RTE infrastructure.
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7.2 Browser Reliance and Changes
Explore the challenges and benefits of WebRTC from a maintenance perspective.
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7.3 New Devices
Take a deeper look at the challenges of developing RTE apps for devices that are rapidly evolving and widely varied in capability.
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7.4 Updates, Upgrades, Security Patches
Understand the required ongoing maintenance and update procedures for an RTE platform.
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