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Redes de Computadoras

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13.5.1. Longitud <strong>de</strong> la secuencia <strong>de</strong> conteo<br />

La longitud l <strong>de</strong> la secuencia <strong>de</strong> conteo <strong>de</strong>be ser mayor que el número<br />

<strong>de</strong> paquetes n sin confirmar (l > n):<br />

<strong>Re<strong>de</strong>s</strong> <strong>de</strong> <strong>Computadoras</strong>, 2007/08<br />

A0<br />

B1<br />

C2<br />

A0<br />

B1<br />

C2<br />

Emisor<br />

Receptor<br />

ACK0, Aceptar<br />

ACK1, Aceptar<br />

ACK2, Aceptar<br />

ACK0, Aceptar<br />

ACK1, Aceptar<br />

ACK2, Aceptar<br />

A0<br />

B1<br />

C2<br />

A0<br />

B1<br />

C2<br />

Emisor<br />

Receptor<br />

ACK0, Aceptar<br />

ACK1, Aceptar<br />

ACK2, Aceptar<br />

ACK0, Rechazar<br />

ACK1, Rechazar<br />

ACK2, Rechazar<br />

n = l = 3<br />

n = 3, l = 4<br />

13.5 ARQ con retroceso a n (go back n) 240

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