發(fā)布時間：2018-04-19 10:49

  本文選題：互聯(lián)網定價策略 + 服務質量�。� 參考：《湖南大學》2012年博士論文

【摘要】：隨著互聯(lián)網應用的快速發(fā)展,用戶數量和內容規(guī)模日益龐大。如何在均衡各方面利益的情況下給出最優(yōu)定價策略是互聯(lián)網經濟學研究的關鍵問題之一。服務質量(QoS)和效用模型是當前互聯(lián)網定價策略的主要內容。如果僅考慮用戶的QoS等級,雖然可滿足用戶的服務質量需求,提高用戶的滿意度,但是互聯(lián)網服務提供商(ISP)的設備部署和維護成本高,難以保證不斷增多用戶的服務質量；如果考慮效用模型,雖然可均衡ISP與用戶之間的利益關系,降低ISP的設備部署和維護成本,但是難以不同用戶的服務質量。QoS與效用模型相結合的互聯(lián)網定價策略可綜合利用這兩種方法的互補優(yōu)勢,不僅采用QoS來提高用戶的滿意度,而且采用效用模型來均衡ISP與用戶的利益。 本文研究基于QoS和效用模型的互聯(lián)網定價策略。對運營商互聯(lián)網中的利益關系進行分析,同時考慮用戶、ISP和其它ISP之間的利益關系,建立相應模型和開展仿真實驗,從而驗證其有效性和可行性。本文的主要貢獻包括： (1)已有的互聯(lián)網定價策略缺乏激勵兼容性,難以提供任何激勵約束機制來有效地使用互聯(lián)網,并需要維護大量的狀態(tài)信息,導致ISP成本較高。本文面向區(qū)分服務的互聯(lián)網絡定價策略,即在QoS服務級別引入效用模型,利用QoS和效用模型結合來建立定價模型及定價方法。本文首先按照不同用戶的QoS需求,為不同用戶分配最優(yōu)的資源。在此基礎上,獲得滿足客戶滿意度最大化和ISP的收益最大化的價格均衡點,用以均衡用戶和ISP之間的利益。最后通過模擬實驗驗證了所提定價策略的可行性。 (2)基于模型的定價策略存在機制不靈活等缺點,難以適應用戶需求和資源負載的動態(tài)變化�；谑褂寐实亩▋r策略存在計算復雜度大等缺點,導致收斂速度慢且難以實現。本文提出了一種網絡擁塞敏感的互聯(lián)網定價策略�？紤]互聯(lián)網擁塞情況,結合QoS、效用模型和擁塞控制等建立擁塞定價模型。為了抑制擁塞,引入了擁塞發(fā)生時的懲罰價格,如果用戶產生了過多的流量導致?lián)砣l(fā)生,就對超出的流量收取懲罰費用。仿真實驗結果表明,本文所提出的擁塞敏感的定價策略可以有效的抑制擁塞,而且具有計算量小,收斂速度快的優(yōu)點。 (3)本文提出一種基于納什均衡的網絡服務提供商互聯(lián)定價策略。該策略在考慮QoS服務等級的情況下,為了減少ISP之間流量傳輸定價,采用博弈論中的納什均衡方法分析ISP之間利益關系,探討兩個或多個ISP之間的互聯(lián)網定價,從而確定最優(yōu)的私有交換點設置條件。以及確定隨時間變化的ISP之間最優(yōu)連接的拓撲關系。仿真實驗結果驗證了所提方法的有效性。 (4)本文提出了一種基于納什議價博弈的互聯(lián)網混合市場定價策略。為了降低系統(tǒng)流量傳輸消耗,利用納什議價博弈方法分析用戶和ISP之間、ISP和其他ISP之間利益關系。從而確定最優(yōu)ISP和ISP之間的連接方式以及用戶和ISP之間的最優(yōu)連接方式。仿真實驗結果證明了所提策略的可行性和有效性。
[Abstract]:With the rapid development of Internet applications, the number of users and the content of the increasingly large scale. The optimal pricing strategy in balancing the interests of all parties to give the case is one of the key issues of internet economics. The quality of service (QoS) and the utility model is the main content of the current Internet pricing strategy. If only consider the QoS level of the user, although to meet the needs of the user's service quality, improve customer satisfaction, but the Internet service provider (ISP) equipment deployment and maintenance costs are high, it is difficult to guarantee the quality of service of users is increasing; if considering the utility model, although the equilibrium between ISP and user interests, reduce the deployment of ISP equipment and maintenance costs, but the Internet pricing according to the strategy of quality of service.QoS and the utility model is difficult to different users the comprehensive utilization of these two kinds of methods of complementary advantages, not only. Use QoS to improve user satisfaction, and use a utility model to balance the interests of ISP and users.
This study is based on the Internet Pricing Strategy QoS and utility model. The relationship between the interests of Internet operators are analyzed, considering the users between ISP and other ISP interests, establish the corresponding model and carry out simulation experiments to verify its effectiveness and feasibility. The main contributions of this thesis include:
(1) the Internet Pricing Strategy of existing lack of incentive compatibility, it is difficult to provide any incentive and restraint mechanisms to effectively use the Internet, and need to maintain a considerable amount of state information, resulting in ISP high cost. In this paper based on the pricing strategies of Internet services, the service level using the utility model in QoS, and the utility model combined by QoS the establishment of pricing model and pricing method. Firstly, according to the QoS requirement of different users, different users for the optimal allocation of resources. On the basis of satisfying revenue maximization to maximize customer satisfaction and ISP price equilibrium between users and to balance the interests of ISP. Finally, through simulation experiments to verify the feasibility of the proposed pricing strategy.
(2) there are shortcomings of the mechanism is not flexible pricing strategy based on the model, it is difficult to adapt to the dynamic change of user requirements and resource load. The usage rate of the pricing strategy calculation complexity based on the shortcomings, resulting in slow convergence and difficult to achieve. This paper proposes a network of Internet pricing strategy has Saimin sense. Consider the Internet congestion situation, combined with QoS, the utility model and congestion control to establish congestion pricing model. In order to suppress the congestion, introduces the congestion penalty price, if the user has too much traffic congestion occurs, will charge for excess traffic penalty cost. Simulation results show that the proposed congestion sensitive pricing the strategy can restrain the congestion effectively, but also has a small amount of calculation, the advantages of fast convergence.
(3) this paper proposes a network service provider Internet Pricing Strategy Based on Nash equilibrium. The strategy in considering the QoS service level under the condition, in order to reduce the ISP traffic transmission pricing, based on the Nash equilibrium game theory analysis in the interest relationship between ISP, explore the Internet pricing between two or more ISP, thus to determine the optimal conditions for the exchange. The private setting and determining between the time-varying ISP optimal connection topology. Simulation results verify the effectiveness of the proposed method.
(4) this paper presents a Nash bargaining game of the Internet market pricing strategy based on hybrid transmission system. In order to reduce the flow of consumption, using Nash bargaining game analysis between the user and the ISP, the interests of the relationship between ISP and other ISP. To determine the optimum connection mode between ISP and ISP and between the optimal user and ISP connection simulation results show that the proposed method is feasible and effective.

【學位授予單位】：湖南大學
【學位級別】：博士
【學位授予年份】：2012
【分類號】：F224;F49

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