本文選題：數(shù)據(jù)更新 + ACE框架　； 參考：《浙江工業(yè)大學(xué)》2012年碩士論文

【摘要】：目前,城市公交電視系統(tǒng)中媒資數(shù)據(jù)分發(fā)的主流架構(gòu)為無(wú)線(xiàn)發(fā)射模式和本地存儲(chǔ)模式兩種。在本地存儲(chǔ)模式中,媒資數(shù)據(jù)存儲(chǔ)在終端設(shè)備中,通過(guò)循環(huán)模式實(shí)現(xiàn)廣告節(jié)目的播放。廣告節(jié)目等媒資數(shù)據(jù)的快速更新和海量監(jiān)播數(shù)據(jù)的完整收集,是本地存儲(chǔ)模式的技術(shù)難點(diǎn)問(wèn)題。因此,一套用于對(duì)多媒體終端進(jìn)行數(shù)據(jù)更新并獲取終端節(jié)目播放同志的系統(tǒng),對(duì)于城市公交電視系統(tǒng)來(lái)說(shuō),具有非常重大的實(shí)際意義。 本文設(shè)計(jì)并實(shí)現(xiàn)了一套公交車(chē)載數(shù)據(jù)更新系統(tǒng)用以完成上述的業(yè)務(wù)功能,提高了數(shù)據(jù)更新系統(tǒng)的軟件性能和工作效率。實(shí)現(xiàn)該系統(tǒng)的主要技術(shù)難點(diǎn)包括：1、如何設(shè)計(jì)公交數(shù)據(jù)更新系統(tǒng)的網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)；2、如何設(shè)計(jì)數(shù)據(jù)的更新模式；3、如何設(shè)計(jì)一套支持高并發(fā)客戶(hù)端業(yè)務(wù)處理的數(shù)據(jù)更新系統(tǒng)；4、如何設(shè)計(jì)數(shù)據(jù)更新調(diào)度策略來(lái)提高數(shù)據(jù)更新效率。在對(duì)上述問(wèn)題進(jìn)行了深入的研究后,取得了以下結(jié)果： 1、針對(duì)數(shù)據(jù)更新系統(tǒng)的業(yè)務(wù)需求,設(shè)計(jì)負(fù)載均衡器分發(fā)基站服務(wù)器網(wǎng)絡(luò)地址,后端基站服務(wù)器完成更新任務(wù)的邏輯架構(gòu),并設(shè)計(jì)了基礎(chǔ)更新模式和種子更新模式兩種更新模式。 2、利用ACE的REACTOR框架實(shí)現(xiàn)基于事件分離的網(wǎng)絡(luò)框架,構(gòu)建基站服務(wù)器的各個(gè)模塊,完成雛站服務(wù)器設(shè)計(jì)與實(shí)現(xiàn)。 3、利用ERLANG并發(fā)編程語(yǔ)言完成負(fù)載均衡器的設(shè)計(jì)與實(shí)現(xiàn),完成網(wǎng)絡(luò)地址轉(zhuǎn)發(fā)功能利哎新調(diào)度策略?xún)?yōu)化功能。 4、將蟻群算法應(yīng)用到基于種子更新模式下的更新調(diào)度策略中,通過(guò)合適的模型構(gòu)建算法,通過(guò)實(shí)驗(yàn)表明,蟻群算法優(yōu)化的更新策略可以獲得更高的更新效率。 5、最后對(duì)全文進(jìn)行總結(jié),提出有待改進(jìn)的研究?jī)?nèi)容。
[Abstract]:At present, wireless transmission mode and local storage mode are the main architecture of media data distribution in urban public transport television system. In the local storage mode, the media data is stored in the terminal device, and the advertisement program is played by circular mode. The rapid updating of media data such as advertising programs and the complete collection of mass monitoring and broadcasting data are the technical difficulties of local storage mode. Therefore, a system for updating multimedia terminal data and acquiring terminal program player is of great practical significance for urban public transport television system. In this paper, we design and implement a bus data update system to complete the above business functions, and improve the software performance and work efficiency of the data update system. The main technical difficulties in implementing the system include: 1, how to design the network topology of bus data update system, how to design the update mode of data, and how to design a set of data update which supports the processing of high concurrent client service. System 4, how to design data update scheduling strategy to improve the efficiency of data update. After a thorough study of the above problems, the following results have been obtained: 1. According to the service requirement of the data update system, the logical architecture of load balancer distributing the base station server network address and the back-end base station server completing the update task is designed, and the basic update mode and the seed update mode are designed. 2. The REACTOR framework of ACE is used to realize the network framework based on event separation, each module of the base station server is constructed, and the design and implementation of the server is completed. 3. The load balancer is designed and implemented by using ERLANG concurrent programming language, and the network address forwarding function is realized. 4. The ant colony algorithm is applied to the updating scheduling strategy based on seed update mode. Through the appropriate model construction algorithm, the experiment shows that the ant colony algorithm optimized update strategy can achieve higher update efficiency. Finally, the paper summarizes the full text and puts forward the research contents to be improved.
【學(xué)位授予單位】：浙江工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類(lèi)號(hào)】：TP311.52

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