隨著網(wǎng)絡(luò)的發(fā)展，基于IP技術(shù)的各種視頻通訊應(yīng)用也應(yīng)運(yùn)而生(如網(wǎng)絡(luò)遠(yuǎn)程視頻監(jiān)控)。其不但具傳統(tǒng)模擬視頻監(jiān)控的功能，最重要的是具有網(wǎng)絡(luò)遠(yuǎn)程視頻監(jiān)控，傳輸距離無界限，監(jiān)控方便；監(jiān)控畫面切換簡(jiǎn)便快捷；圖像影象存取簡(jiǎn)便容易;安裝簡(jiǎn)易，大大降低了綜合成本。
但由于監(jiān)控中心和監(jiān)控網(wǎng)絡(luò)攝像機(jī)的通訊，需要監(jiān)控網(wǎng)絡(luò)攝像機(jī)一端處具有靜態(tài)公網(wǎng)IP，這樣才能讓遠(yuǎn)程監(jiān)控中心可以通過IP地址直接找到監(jiān)控網(wǎng)絡(luò)攝像機(jī)。而我國(guó)目前的靜態(tài)IP短缺和價(jià)格昂貴，不可能給每個(gè)的網(wǎng)絡(luò)監(jiān)控端(監(jiān)控網(wǎng)絡(luò)攝像機(jī))都配備一個(gè)靜態(tài)IP。最好的解決辦法當(dāng)然是能在廉價(jià)的動(dòng)態(tài)IP上解決遠(yuǎn)程視頻監(jiān)控尋址問題。
動(dòng)態(tài)域名解析解決方案
動(dòng)態(tài)域名解析是指將擁有動(dòng)態(tài)IP的主機(jī)通過一個(gè)域名和其邦定，遠(yuǎn)端通過廣域網(wǎng)訪問該主機(jī)時(shí)直接通過訪問這個(gè)域名就可以了，而無須關(guān)心動(dòng)態(tài)IP地址的變化。
動(dòng)態(tài)域名解析系統(tǒng)一般由兩部分構(gòu)成。第一部分是服務(wù)器端程序，位于服務(wù)商的主機(jī)上。另一部分是客戶端程序，就運(yùn)行在廣大用戶的主機(jī)上。在每次連接網(wǎng)絡(luò)的時(shí)候，客戶端程序就會(huì)通過信息傳遞，把該主機(jī)的動(dòng)態(tài)IP地址傳送給位于服務(wù)商主機(jī)上的服務(wù)器程序，服務(wù)器程序負(fù)責(zé)提供DNS服務(wù)并實(shí)現(xiàn)動(dòng)態(tài)域名解析服務(wù)，再收到客戶端通知后服務(wù)器端程序立即更新數(shù)據(jù)，將新的IP地址和原有的固定域名綁定，這樣就完成了動(dòng)態(tài)域名解析的服務(wù)。別人也就可以通過域名訪問你的服務(wù)器了。
動(dòng)態(tài)IP遠(yuǎn)程視頻監(jiān)控方案描述
給每個(gè)監(jiān)控網(wǎng)絡(luò)攝像機(jī)申請(qǐng)一個(gè)域名(如:abc.88ip.cn)，由域名解析系統(tǒng)來探查監(jiān)控網(wǎng)絡(luò)攝像機(jī)當(dāng)前的IP地址，當(dāng)IP地址變化后，88ip客戶端通知88ip域名解析系統(tǒng)服務(wù)器端及時(shí)刷新為新的IP地址并通知遠(yuǎn)程視頻監(jiān)控端。遠(yuǎn)程視頻監(jiān)控端通過固定不變的域名(如:abc.88ip.cn)來訪問每個(gè)監(jiān)控設(shè)備，這樣再無需關(guān)心IP地址的變化于否，動(dòng)態(tài)IP轉(zhuǎn)化為“靜態(tài)”IP了。
動(dòng)態(tài)IP遠(yuǎn)程視頻監(jiān)控方案的具體實(shí)施方式有以下幾種。
a) 路由器外掛
具體的說路由器外掛就是采用集成88IP的路由器，通過申請(qǐng)88IP域名和服務(wù)，把申請(qǐng)所得用戶名密碼填入路由器DDNS" title="DDNS" target="_blank">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" 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title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS" title="DDNS">DDNS模塊相關(guān)項(xiàng)，再由路由器上端口映射指向所需訪問的監(jiān)控設(shè)備即可，遠(yuǎn)程視頻監(jiān)控端通過訪問域名即可訪問到當(dāng)前路由器，根據(jù)不同的端口來判斷并指向所需訪問的監(jiān)控設(shè)備。
b) 采用集成88IP的網(wǎng)絡(luò)攝像機(jī)
對(duì)于無人值守或不方便外掛路由器的狀況下，遠(yuǎn)程視頻監(jiān)控也可采用集成88Ip的網(wǎng)絡(luò)攝像機(jī)，同樣把申請(qǐng)88Ip服務(wù)得到的用戶名密碼填入相關(guān)項(xiàng)，通過一條ADSL等寬帶線路直接相連。遠(yuǎn)程視頻監(jiān)控端通過域名直接訪問。
c) 運(yùn)行88IP客戶端
在局域網(wǎng)內(nèi)部的任一PC或服務(wù)器上運(yùn)行88Ip客戶端，此時(shí)域名解析到的IP地址是局域網(wǎng)網(wǎng)關(guān)出口處的公網(wǎng)IP地址，再在網(wǎng)關(guān)處作端口映射指向監(jiān)控設(shè)備即可。
動(dòng)態(tài)IP遠(yuǎn)程視頻監(jiān)控方案特點(diǎn)
應(yīng)用靈活：可采用88IP，實(shí)現(xiàn)多種方式動(dòng)態(tài)IP尋址。
連網(wǎng)費(fèi)用低：不用花費(fèi)高額的費(fèi)用申請(qǐng)帶固定IP的DDN專線，廉價(jià)的寬帶線路即可。
支持多種連網(wǎng)方式：88ip系統(tǒng)可支持ISDN、xDSL、Cable Modem、小區(qū)寬頻網(wǎng)絡(luò)等各種分配公網(wǎng)IP的互聯(lián)網(wǎng)接入線路。
操作方便、快速：不需每次連網(wǎng)時(shí)打電話或使用即時(shí)通訊軟件向?qū)Ψ皆儐朓P地址，只需在監(jiān)控軟件中輸入全球唯一的域名即，使用時(shí)感覺不到88Ip的存在。
適用范圍廣：只要在能上網(wǎng)的地方，全球均可對(duì)它進(jìn)行授權(quán)訪問。并可很容易的支持不同廠家的各種網(wǎng)絡(luò)監(jiān)控設(shè)備，包括網(wǎng)絡(luò)攝像機(jī)，網(wǎng)絡(luò)視頻服務(wù)器，門禁控制器，可視電話等。