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Traffic policing and traffic shaping<br />
• Traffic policing – done at provider’s network<br />
edge to limit traffic coming from customer<br />
• Traffic exceeding committed information rate is<br />
either discarded or marked as eligible for later<br />
discard<br />
• Traffic shaping – done at customer boundary<br />
router to shape traffic to comply with rate<br />
provider agrees to transfer<br />
• uses memory buffers to shape bursts<br />
© 2005 Petr Grygarek, Advanced Computer Networks Technologies<br />
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