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Redes de Computadoras

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13.5.2. Tratamiento <strong>de</strong> los errores<br />

Un NAKk significa que hay que retransmitir el paquete k y siguientes.<br />

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

Ejemplo:<br />

A0<br />

B1<br />

C2<br />

B1<br />

C2<br />

Emisor<br />

Receptor<br />

ACK0, Aceptar<br />

NAK1, Rechazar<br />

Ignorar<br />

ACK1, Aceptar<br />

ACK2, Aceptar<br />

n = 2, l = 3<br />

13.5 ARQ con retroceso a n (go back n) 241

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