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Page 1: copeland.ece.gatech.educopeland.ece.gatech.edu/jac/4110/labs/lab5/Velayutham... · 2005. 4. 5. · Q ' b % Y " ¡ ¡ " ¡ ¡ ¡ " ¡ ¡ " ¡ ¡ " ¡ ¢w£ ' b ¤ ¥ ¦ "

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Page 64: copeland.ece.gatech.educopeland.ece.gatech.edu/jac/4110/labs/lab5/Velayutham... · 2005. 4. 5. · Q ' b % Y " ¡ ¡ " ¡ ¡ ¡ " ¡ ¡ " ¡ ¡ " ¡ ¢w£ ' b ¤ ¥ ¦ "

Split file into bundles and

insert bundles in bundle buffer

Determine route and call

bundle transmission

Start ACK timer Estimate

exponential average of RTT

Delete transmitted bundle and choose next

bundle

Receipt of ACK from

destination

Disable ACK timer

ACK timeout

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Page 65: copeland.ece.gatech.educopeland.ece.gatech.edu/jac/4110/labs/lab5/Velayutham... · 2005. 4. 5. · Q ' b % Y " ¡ ¡ " ¡ ¡ ¡ " ¡ ¡ " ¡ ¡ " ¡ ¢w£ ' b ¤ ¥ ¦ "

Source Address Destination Address

Sender Address Receiver Address

Bundle number P R O

A C K

S U C

0 15 16 31

32 Bits

Packet number

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Select a bundle from bundle

buffer

Send the first packet in the bundle queue

to next hop

Determine route to

destination using DSR

Snoop for 802.11 ACK

Select the same bundle

Increment the packet pointer

of corresponding

bundle

Status ? ACK received

MAC Retry Limit Reached

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Page 67: copeland.ece.gatech.educopeland.ece.gatech.edu/jac/4110/labs/lab5/Velayutham... · 2005. 4. 5. · Q ' b % Y " ¡ ¡ " ¡ ¡ ¡ " ¡ ¡ " ¡ ¡ " ¡ ¢w£ ' b ¤ ¥ ¦ "

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Page 68: copeland.ece.gatech.educopeland.ece.gatech.edu/jac/4110/labs/lab5/Velayutham... · 2005. 4. 5. · Q ' b % Y " ¡ ¡ " ¡ ¡ ¡ " ¡ ¡ " ¡ ¡ " ¡ ¢w£ ' b ¤ ¥ ¦ "

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