Datalink layer is basically responsible for 3 major functions -
Error detection/correction - CRC is used by ethernet
Collision detection - CSMA/CD is used by ethernet
But I couldn't find what flow control mechanism does ethernet protocol uses?
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1Ethernet flow control is poorly implemented and supported, and it does not have error correction. Flow control is mostly in the transport layer. – Ron Maupin♦ Sep 9 '20 at 13:58
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Does that mean in standard home ethernet the entire responsibility of flow control is given to the transport layer? – Atharwa Adawdakar Sep 10 '20 at 2:37
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@AtharwaAdawdakar since 95-99% of home traffic is TCP, yes. And TCP has much better flow control than Ethernet. BTW, home networking is off topic here. – Ron Trunk Sep 10 '20 at 13:03
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Ethernet has two methods:
- Pause frames (802.3x and 802.1Qbb)
- Priority flow control (802.1p)
