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Redes de Computadoras

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El checksum es opcional.<br />

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

1. Si checksum = 0 significa que no se calcula.<br />

2. Si checksum ≠ 0, se calcula teniendo en cuenta la pseudocabecera,<br />

la cabecera <strong>de</strong>l datagrama UDP y los datos a transmitir.<br />

El puerto <strong>de</strong>l proceso emisor se utiliza para que el proceso receptor<br />

pueda contestar.<br />

12.2 Formato <strong>de</strong>l datagrama UDP 219

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