Homework8_2

Homework8_2 - 1) Suppose an application generates chunks 40...

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1) Suppose an application generates chunks 40 bytes of data every 20 msec, and each chunk gets encapsulated in a TCP segment and then an IP datagram. What percentage of each datagram will be overhead and what percentage will be application data? 100% is overhead and 0% is application data. 2) Consider sending a 3000-bytes datagram into a link that has an MTU of 500 bytes. Suppose the original datagram is stamped with the identification number 422. How many fragments are generated? What are their characteristics? 3) Compare and contrast the IPv4 and the IPv6 header fields. Do they have any fields in common? Simplified header format. IPv6 has a fixed length header, which does not include most of the options an IPv4 header can include. Even though the IPv6 header contains two 128 bit addresses (source and destination IP address) the whole header has a fixed length of 40 bytes only. This allows for faster processing. Options are dealt with in extension headers, which are only inserted after the IPv6 header if needed. So for
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This note was uploaded on 01/19/2011 for the course CS CS470 taught by Professor Dr.gao during the Summer '10 term at Chatt Tech.

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Homework8_2 - 1) Suppose an application generates chunks 40...

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