N Is For Networking N4N002: Bandwidth and Latency Explained
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Nov 7, 2024 Discover the thrilling world of networking as the hosts unravel the mysteries of bandwidth and latency. They simplify these complex terms, making them beginner-friendly. Learn how latency affects data travel times and the surprising truths about bandwidth. Explore the shift from TCP to QUIC, a game-changing protocol improving internet efficiency. Dive into the challenges of voice communication, exploring how packet delivery and timing impact call quality. It’s a must-listen for anyone curious about the tech behind their internet experience!
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Bandwidth Versus Latency Defined
- Bandwidth measures how much data moves through a link per second, like a pipe's capacity.
- Latency measures how long a single packet takes to travel between endpoints.
Bandwidth Increases Capacity, Not Per-Packet Speed
- More bandwidth increases total data you can send per second but doesn't make individual packets cross the wire faster.
- Packet travel speed is limited by physics and link signaling, not by raw bandwidth numbers.
Throughput Is What You Actually Get
- Throughput is the actual data rate you achieve, which may be lower than theoretical bandwidth.
- Throughput suffers from packet sizes, intermediate link capacities, and congestion along the path.