To work out a solution for answering the question when it is suitable for emergency response strategies to be executed, an emergency algorithm for enhanced survivability of a key service is presented. First, based on ...To work out a solution for answering the question when it is suitable for emergency response strategies to be executed, an emergency algorithm for enhanced survivability of a key service is presented. First, based on the central limit theorem and the hypothesis testing theory, the confidence interval of each key service＇s history average service response time in the host server and the spare server can be figured out, respectively. This can also be updated dynamically by a proposed method using the method of time slide window. Then, according to the five kinds of distributed situations of the current service response time＇ s confidence interval in the host server and the spare server, the proposed algorithm can dynamically choose the appropriate emergency policies such as resource reconfiguration, service degradation or service drifting, etc. in fight time. Thus, the key service request can be finished within its expected deadline by users as far as possible. Furthermore, the whole process of dynamic configuration is transparent to users. Finally, simulation tests are performed to prove the feasibility.展开更多
Cities and municipalities are involved in the economic development of the whole country. One of the priorities of mayors is the usefulness of spatial disproportions of area as well as the structure and development of ...Cities and municipalities are involved in the economic development of the whole country. One of the priorities of mayors is the usefulness of spatial disproportions of area as well as the structure and development of housing construction. They are natural canters of public and commercial services. The aim of the article is to determine if the geographic location of the region influences the number of new apartments with planning permission and completed apartments with a completion approval by using the methods of mathematical statistics ＂Analysis of variance＂. Meaning of the geographical location of the region as a factor, which influences the construction of apartments as well as regional differences in selected Central European countries, is subject of the conclusions of the paper.展开更多
With the aging problem increasing seriously, how to make older people live with dignity is no longer a personal problem, a family problem, but gradually becomes a hot topic of the society. When institutional care is d...With the aging problem increasing seriously, how to make older people live with dignity is no longer a personal problem, a family problem, but gradually becomes a hot topic of the society. When institutional care is difficult to meet the pension needs, home care and community care are becoming the choices of the elderly. Based on the way of mutual aid pension, eonarnunity members began to enter our lives. With the ＂time bank＂ setting up and the development in China, China＇s pension system has been further improved. In the late 1990s, some cities in China began to try the pension community service pilot which was a supportive, low cost, high efficiency ＂time bank＂ aged This paper will present the development, the necessity and feasibility of ＂time bank＂, and analyze the problems and find strategies to solve the problems, so as to maintain the sustainable development of＂time bank＂ in our country.展开更多
基金Specialized Research Fund for the Doctoral Program of Higher Education (No20050217007)the Weaponry Equipment Foundation of PLA Equipment Ministry (No51416060104CB0101)
文摘To work out a solution for answering the question when it is suitable for emergency response strategies to be executed, an emergency algorithm for enhanced survivability of a key service is presented. First, based on the central limit theorem and the hypothesis testing theory, the confidence interval of each key service＇s history average service response time in the host server and the spare server can be figured out, respectively. This can also be updated dynamically by a proposed method using the method of time slide window. Then, according to the five kinds of distributed situations of the current service response time＇ s confidence interval in the host server and the spare server, the proposed algorithm can dynamically choose the appropriate emergency policies such as resource reconfiguration, service degradation or service drifting, etc. in fight time. Thus, the key service request can be finished within its expected deadline by users as far as possible. Furthermore, the whole process of dynamic configuration is transparent to users. Finally, simulation tests are performed to prove the feasibility.
文摘Cities and municipalities are involved in the economic development of the whole country. One of the priorities of mayors is the usefulness of spatial disproportions of area as well as the structure and development of housing construction. They are natural canters of public and commercial services. The aim of the article is to determine if the geographic location of the region influences the number of new apartments with planning permission and completed apartments with a completion approval by using the methods of mathematical statistics ＂Analysis of variance＂. Meaning of the geographical location of the region as a factor, which influences the construction of apartments as well as regional differences in selected Central European countries, is subject of the conclusions of the paper.
文摘With the aging problem increasing seriously, how to make older people live with dignity is no longer a personal problem, a family problem, but gradually becomes a hot topic of the society. When institutional care is difficult to meet the pension needs, home care and community care are becoming the choices of the elderly. Based on the way of mutual aid pension, eonarnunity members began to enter our lives. With the ＂time bank＂ setting up and the development in China, China＇s pension system has been further improved. In the late 1990s, some cities in China began to try the pension community service pilot which was a supportive, low cost, high efficiency ＂time bank＂ aged This paper will present the development, the necessity and feasibility of ＂time bank＂, and analyze the problems and find strategies to solve the problems, so as to maintain the sustainable development of＂time bank＂ in our country.
