電腦網路 三向交握的ACK序號 - 考試
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By Robert
at 2014-07-13T01:26
at 2014-07-13T01:26
Table of Contents
各位好
有關三向交握最後一個步驟ACK的序號
ACK序號跟SYN一樣
http://ppt.cc/p6WG 23頁
ACK序號比SYN多1
http://paulsparrows.files.wordpress.com/2011/04/thre-way-handshake.png
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想請問哪一種說法才是對的?
謝謝
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※ 文章網址: http://www.ptt.cc/bbs/Examination/M.1405186016.A.779.html
※ 編輯: kisha024 (114.27.234.11), 07/13/2014 01:28:10
→ pts411:印像差別是演算法表示,1種ACK:10 告知來源端:1-9(ok) 07/13 08:22
→ pts411:接下來要SN:10;另一種是告知來源端1-10(OK),接下來要SN:11 07/13 08:23
→ pts411:如果沒記錯的話,印像有在不同書看到,但已忘那本書了 07/13 08:24
→ gary22204:重點應該是觀念吧,我是記Ack+1啦 07/13 09:37
推 canatmis:我讀到的版本是,成功接收第N個則ack n+1(表下一次希望 07/13 10:24
推 canatmis:收到的是第n+1個) 07/13 10:26
→ canatmis:否則ack n(表重送第n個) 07/13 10:27
→ canatmis:看了上面2張圖,不都表達同樣的東西嗎? XD 07/13 10:31
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