基于數(shù)據(jù)聚合的移動云遷移節(jié)能機制研究
發(fā)布時間：2018-07-17 02:23
【摘要】：隨著智能移動終端不斷普及,移動終端的能耗問題得到了廣泛的關注。XMPP協(xié)議是由IETF提出的互聯(lián)網(wǎng)標準real-time通信協(xié)議,作為消息推送的標準協(xié)議被眾多廠商所采用。智能移動終端出現(xiàn)了大量應用都在使用XMPP進行消息推送,其多持久連接的特性導致能耗過高。因此多持久連接XMPP協(xié)議節(jié)能策略的研究在移動終端的能耗問題研究領域中具有較高的研究價值。論文深入研究現(xiàn)有XMPP協(xié)議的節(jié)能策略,并結(jié)合當前熱門的云遷移節(jié)能方法,提出一種跨網(wǎng)絡、跨平臺多持久連接XMPP協(xié)議的云遷移聚合節(jié)能策略,利用云端遷移能耗有限的智能移動終端多持久連接的通信,達到移動終端節(jié)能效果。論文通過建立多持久連接的能耗模型闡明了多持久連接高能耗的原因,并基于該模型提出一種基于云遷移的XMPP協(xié)議節(jié)能改進方法E2-CXHA。E2-CXHA方法利用云遷移方法將持久連接通信遷移至云端,通過建立云端clone統(tǒng)一調(diào)度實現(xiàn)心跳聚合,移動終端只需要與clone保持單一持久連接,通過心跳聚合就可以達到節(jié)能效果。論文通過設計一種最適心跳間隔選擇法MTHI,提高了心跳聚合的效率,在保證QOS的同時達到節(jié)能目的。NS-3仿真實驗證明,相對于原XMPP協(xié)議來說,E2-CXHA方法可以解決智能移動終端承載多條持久連接所帶來的負擔,有效減少心跳風暴,更大程度地聚合數(shù)據(jù)包發(fā)送,減少了發(fā)送的次數(shù)和網(wǎng)絡負擔,最終達到節(jié)能的效果。實驗結(jié)果也說明了保證服務質(zhì)量(QoS)不變的情況下,應用數(shù)量越多,E2-CXHA方法的節(jié)能效果越顯著。傳統(tǒng)的XMPP協(xié)議傳輸格式無法滿足新環(huán)境下高效與節(jié)能的要求。論文研究了利用云遷移實現(xiàn)XMPP協(xié)議移動端節(jié)能的方法,在E2-CXHA節(jié)能方法基礎上,提出一種支持多持久連接的低負載快速節(jié)能XMPP云遷移擴展協(xié)議LLaF-E2CXEP。該協(xié)議通過加入聚合持久連接的建立與發(fā)現(xiàn)交互流程,完善了云遷移架構下的多任務連接聚合方式；通過建立任務端口映射表PMTT,實現(xiàn)多任務消息聚合與聚合消息云端路由；采用新的消息序列化方法,減少數(shù)據(jù)包的發(fā)送數(shù)量,加快消息的編碼與解碼性能,達到節(jié)能的效果。實驗結(jié)果分析表明,LLaF-E2CXEP方法是對E2-CXHA方法的進一步完善,克服了E2-CXHA存在的問題,解決了數(shù)據(jù)膨脹導致性能與能耗問題,進一步提升了節(jié)能效果。本文的研究工作是對基于云遷移的XMPP協(xié)議進行節(jié)能改進和擴展,為移動終端的節(jié)能研究提供了一種新的方法、協(xié)議和研究思路。本文的研究方法和研究成果具有一定的科學意義和學術價值。
[Abstract]:With the increasing popularity of intelligent mobile terminals, the energy consumption of mobile terminals has been widely concerned. XMPP protocol is an Internet standard real-time protocol proposed by IETF, which is adopted by many manufacturers as the standard protocol of message push. A large number of applications are using XMPP to push messages in smart mobile terminals, and their multi-persistent connection leads to excessive energy consumption. Therefore, the research of multi-persistent connection XMPP protocol energy-saving strategy has a high value in the field of mobile terminal energy consumption research. This paper deeply studies the energy saving strategy of the existing XMPP protocol, and proposes a cloud migration aggregation energy saving strategy based on cross-network, multi-platform and multi-persistent connection, combining with the current popular cloud migration energy saving method. Using cloud migration intelligent mobile terminal with limited energy consumption to achieve multi-persistent communication, the energy saving effect of mobile terminal is achieved. In this paper, the reasons for the high energy consumption of multi-persistent connection are explained by establishing the energy consumption model of multi-persistent connection. Based on this model, an improved energy saving method of XMPP protocol based on cloud migration, E2-CXHA.E2-CXHA, is proposed to migrate persistent connection communication to the cloud by using cloud migration method, and heartbeat aggregation is realized by establishing cloud clone unified scheduling. Mobile terminals only need to maintain a single persistent connection to the clone, through heartbeat aggregation can achieve energy efficiency. In this paper, we design an optimal heartbeat interval selection method, MTHI, to improve the efficiency of heartbeat aggregation, and achieve the goal of energy saving while ensuring QOS. NS-3 simulation experiments prove that, Compared with the original XMPP protocol, the E2-CXHA method can solve the burden caused by the intelligent mobile terminal carrying multiple persistent connections, reduce the heartbeat storm effectively, aggregate the data packet to a greater extent, and reduce the number of times of sending and the burden of the network. Finally, the effect of energy saving is achieved. The experimental results also show that the energy saving effect of the E2-CXHA method is more significant when the quality of service (QoS) is not changed. The traditional XMPP protocol transmission format can not meet the requirements of high efficiency and energy saving in the new environment. In this paper, the method of using cloud migration to realize the energy saving of XMPP protocol is studied. Based on the energy saving method of E2-CXHA, a low load fast energy saving XMPP cloud migration extension protocol, LLaF-E2CXEP, which supports multiple persistent connections, is proposed. The protocol improves the multi-task join aggregation mode under the cloud migration architecture by adding the interaction flow of establishing and discovering the aggregation persistent connection, and realizes the multi-task message aggregation and the aggregation message cloud routing by establishing the task port mapping table (PMTT), and the multi-task message aggregation and the aggregation message cloud routing are realized by establishing the task port mapping table (PMTT). A new method of message serialization is adopted to reduce the number of packets sent and to speed up the performance of encoding and decoding of messages so as to achieve the effect of saving energy. The experimental results show that the LLAF-E2CXEP method is a further improvement to the E2-CXHA method, which overcomes the problems existing in E2-CXHA, solves the problems of performance and energy consumption caused by data expansion, and further improves the energy saving effect. The research work of this paper is to improve and extend the XMPP protocol based on cloud migration, which provides a new method, protocol and research idea for the research of energy saving of mobile terminal. The research methods and results of this paper have certain scientific significance and academic value.
【學位授予單位】：廣西大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TP393.04
[Abstract]:With the increasing popularity of intelligent mobile terminals, the energy consumption of mobile terminals has been widely concerned. XMPP protocol is an Internet standard real-time protocol proposed by IETF, which is adopted by many manufacturers as the standard protocol of message push. A large number of applications are using XMPP to push messages in smart mobile terminals, and their multi-persistent connection leads to excessive energy consumption. Therefore, the research of multi-persistent connection XMPP protocol energy-saving strategy has a high value in the field of mobile terminal energy consumption research. This paper deeply studies the energy saving strategy of the existing XMPP protocol, and proposes a cloud migration aggregation energy saving strategy based on cross-network, multi-platform and multi-persistent connection, combining with the current popular cloud migration energy saving method. Using cloud migration intelligent mobile terminal with limited energy consumption to achieve multi-persistent communication, the energy saving effect of mobile terminal is achieved. In this paper, the reasons for the high energy consumption of multi-persistent connection are explained by establishing the energy consumption model of multi-persistent connection. Based on this model, an improved energy saving method of XMPP protocol based on cloud migration, E2-CXHA.E2-CXHA, is proposed to migrate persistent connection communication to the cloud by using cloud migration method, and heartbeat aggregation is realized by establishing cloud clone unified scheduling. Mobile terminals only need to maintain a single persistent connection to the clone, through heartbeat aggregation can achieve energy efficiency. In this paper, we design an optimal heartbeat interval selection method, MTHI, to improve the efficiency of heartbeat aggregation, and achieve the goal of energy saving while ensuring QOS. NS-3 simulation experiments prove that, Compared with the original XMPP protocol, the E2-CXHA method can solve the burden caused by the intelligent mobile terminal carrying multiple persistent connections, reduce the heartbeat storm effectively, aggregate the data packet to a greater extent, and reduce the number of times of sending and the burden of the network. Finally, the effect of energy saving is achieved. The experimental results also show that the energy saving effect of the E2-CXHA method is more significant when the quality of service (QoS) is not changed. The traditional XMPP protocol transmission format can not meet the requirements of high efficiency and energy saving in the new environment. In this paper, the method of using cloud migration to realize the energy saving of XMPP protocol is studied. Based on the energy saving method of E2-CXHA, a low load fast energy saving XMPP cloud migration extension protocol, LLaF-E2CXEP, which supports multiple persistent connections, is proposed. The protocol improves the multi-task join aggregation mode under the cloud migration architecture by adding the interaction flow of establishing and discovering the aggregation persistent connection, and realizes the multi-task message aggregation and the aggregation message cloud routing by establishing the task port mapping table (PMTT), and the multi-task message aggregation and the aggregation message cloud routing are realized by establishing the task port mapping table (PMTT). A new method of message serialization is adopted to reduce the number of packets sent and to speed up the performance of encoding and decoding of messages so as to achieve the effect of saving energy. The experimental results show that the LLAF-E2CXEP method is a further improvement to the E2-CXHA method, which overcomes the problems existing in E2-CXHA, solves the problems of performance and energy consumption caused by data expansion, and further improves the energy saving effect. The research work of this paper is to improve and extend the XMPP protocol based on cloud migration, which provides a new method, protocol and research idea for the research of energy saving of mobile terminal. The research methods and results of this paper have certain scientific significance and academic value.
【學位授予單位】：廣西大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TP393.04
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