What is Gigabit Ethernet?

Cost.........................................

IEEE Standard......................

Media Access Protocol..........

Frame Format........................

Topology.................................

Cable support.........................

Network diameter (max).......

UTP link distance (max)........

Media independent interface

Full duplex capable?.............

Broad multivendor support..

Multivendor Availability.......

X

802.3

CSMA/CD

IEEE 802.3

Bus or star

Coax, UTP, fiber

2,500 meters

100 meters

Yes (AUI)

Yes

Yes

Now

2X 10BT

802.3u

CSMA/CD

IEEE 802.3

Star

UTP, fiber

210 meters

100 meters

Yes (MII)

Yes

Yes

Now

2-4X 100BT

802.3z

CSMA/CD

IEEE 802.3

Star

UTP, fiber

200 meters

100 meters

Yes (G-MII)

Yes

Yes

1998

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