Your stream's traffic arrives in bursts (spikes then silence). Bursts can cause router bufferbloat.
A British IPTV reseller whose player or server paces packets (even spacing) reduces router bufferbloat. A British IPTV provider with bursty transmission (send as fast as possible, then idle) fills router buffers, causing delay.
Here's the network-friendly feature: pacing is kind to routers. The IPTV reseller UK who implements it respects that your router has limited buffers. One without assumes infinite buffer space.
In most cases, what actually works is watching your router's latency under load. If latency stays low, pacing likely works. If latency spikes (bufferbloat), bursty transmission.
Scenario: your router has a small buffer. With pacing, traffic is smooth, buffers stay empty. With bursts, buffers fill, latency spikes to 500ms. The paced stream feels responsive.
I've watched an IPTV reseller UK enable packet pacing. Customer routers experienced less bufferbloat. Complaints about "lag when streaming" dropped.
Honestly, test under load. A British IPTV reseller UK with smooth traffic during large downloads likely uses pacing. One with latency spikes doesn't.
A British IPTV reseller who paces packets respects that router buffers are finite. Smooth is kind. Bursty is rude.