Complex sentence: Full-flush points are useful for large data streams on unreliable channels where some last data loss is unimportant (e.g. multimedia), however creating too many flush points can dramatically affect speed and compression.
Split into simpler sentences: Full-flush points are useful for large data streams on unreliable channels, where some last data loss is unimportant (e.g. multimedia). However, creating too many flush points can dramatically affect speed and compression.