TCP Too Slow for Real-Time Applications

6/10 Medium

TCP's reliability guarantees, connection overhead (3-way handshake), and flow control make it unsuitable for applications prioritizing speed over reliability, such as video calls, online games, and live streams, forcing developers to use UDP instead and lose reliability benefits.

TCPUDP
Category
performance
Workaround
solid
Stage
build
Freshness
persistent
Scope
cross_platform
Recurring
Yes
Buyer Type
team

Sources

Collection History

Query: “What are the most common pain points with TCP/IP for developers in 2025?”4/9/2026

For applications where speed is more important than reliability like video calls on FaceTime, online games or live streams on Twitch, TCP can be too slow.

Created: 4/9/2026Updated: 4/9/2026