Ethernet layered organization

Transmit

and

Receive Electrical Interface

Serial

Encode

and

Decode

Link Management

Data

Encapsulation

Physical Channel

Data-link Controller

Ethernet Controller Board

Transceiver

Host-specific Interface

ToHost

Ethernet Cable

Physical Layer

Data-link Layer

Transport Layer

Client Layer

parallel data

serial data

• Physical and data-link layers are our focus

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