Centuries: 5th century - 6th century - 7th century
Decades: 510s - 520s - 530s - 540s - 550s - 560s - 570s - 580s - 590s - 600s - 610s
Years: 560 561 562 563 564 565 566 567 568 569 570
... the resulting topology is known as a ring. Network systems such as FDDI use two counter-rotating token-passing[?] rings to achieve high reliability and performance. I ...
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