6FC5203-0AD10-0AA06FC5203-0AD10-0AA0
【簡(jiǎn)單介紹】
【詳細(xì)說(shuō)明】
A06B-6111-H022#H550
A06B-1411-B100
A06B-6127-H104
A06B-6127-H207
A06B-6150-H030
A06B-6151-H030#H580
ASD24C-A
A06B-6130-H002
6AV6643-0CD01-1AX1
A20B-3900-0224
SGDB-15ADS
SGDA-04AP
MEDHT7364E
A20B-2000-0411
A860-2000-T301
1C31129G03
1C31132G01
2711C-T6T
A20B-0008-0881
TCP/IP協(xié)議(Transfer Control Protocol/Internet Protocol)叫做傳輸控制/網(wǎng)際協(xié)議,又叫網(wǎng)絡(luò)通訊協(xié)議,它包括上百個(gè)各種功能的協(xié)議,如:遠(yuǎn)程登錄、文件傳輸和電子郵件等,而TCP協(xié)議和IP協(xié)議是保證數(shù)據(jù)完整傳輸?shù)膬蓚€(gè)基本的重要協(xié)議。通常說(shuō)TCP/IP 是Internet協(xié)議簇,而不單單是TCP和IP。
TCP/IP協(xié)議的基本傳輸單位是數(shù)據(jù)包(Datagram)。TCP協(xié)議負(fù)責(zé)把數(shù)據(jù)分成若干個(gè)數(shù)據(jù)包,并給每個(gè)數(shù)據(jù)包加上包頭;IP協(xié)議在每個(gè)包頭上再加上接收端主機(jī)地址,這樣數(shù)據(jù)找到自己要去的地方。如果傳輸過(guò)程中出現(xiàn)數(shù)據(jù)丟失、數(shù)據(jù)失真等情況,TCP協(xié)議會(huì)自動(dòng)要求數(shù)據(jù)重新傳輸,并重新組包。總之,IP協(xié)議保證數(shù)據(jù)的傳輸,TCP協(xié)議保證數(shù)據(jù)傳輸?shù)馁|(zhì)量。
TCP/IP協(xié)議數(shù)據(jù)的傳輸基于TCP/IP協(xié)議的四層結(jié)構(gòu):應(yīng)用層、傳輸層、網(wǎng)絡(luò)層、接口層,數(shù)據(jù)在傳輸時(shí)每通過(guò)一層就要在數(shù)據(jù)上加個(gè)包頭,其中的數(shù)據(jù)供接收端同一層協(xié)議使用,而在接收端,每經(jīng)過(guò)一層要把用過(guò)的包頭去掉,這樣來(lái)保證傳輸數(shù)據(jù)的格式**。
廈門航拓電氣有限公司 主營(yíng):PLC,DCS,伺服數(shù)控系列全系列
CPU,板卡,AB,Siemens,ABB,F(xiàn)ANUC,Rexroth,
Westinghouse, Schneider,GE,F(xiàn)OXBORO
*,詳情請(qǐng)咨詢
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地址:廈門市思明區(qū)仙岳路582號(hào)嘉怡園16樓A單元
===========================================
A16B-1211-0860
A16B-1211-086O
A16B-1211-0870
A16B-1211-0890
A16B-1211-090
A16B-1211-0900
A16B-1211-0901
A16B-1211-0920
A16B-1211-0930
A16B-1211-0940
A16B-1211-0945
A16B-1211-0946
A16B-1211-0960
A16B-1211-0961
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