Abstract
In this article we consider the problem of maximizing the capacity of the network stack to the interaction of hardware and software core to ensure the stability of the physical server. The algorithms and program codes are proposed to optimize the load capacity of the CPU by core parallelization. The paper also considers statistics of improved power of distributed attacks affecting the network infrastructure. It proved the impact of any application with access to the external global network to the production of the physical server presented in the form of physical resources. With the help of the developed and implemented the algorithm (in the language of «BASH»), produced by the distribution of the load capacity of the physical server cores, to further reduce the load capacity on the processing power of the CPU is provided. Showcased flowcharts, as well as the final test results of each stage of development, are discussed. Implemented network optimization mode «AF_PACKET», which has given the opportunity to accept external network packets without any locks that, in turn, increases the efficiency of achievement of the set goals (upon request from the server to the client). The possibility of taking up to ten million incoming network packets by software physical server, which allows for stable processing of information for the smooth operation under DDoS-attacks «SYN-flood who realized the possibility of overload multimillion network packets. A similar number of incoming network packets provides an opportunity to fill the external network channel, with a consequent increase in the load capacity of the network TCP / IP stack that covers the remote control area physical server as soon as possible. Also adversely affect the performance of the working environment.
Highlights
ВведениеПри массированных DDoS-атаках в программном ядре происходят многочисленные сбои, ошибки и перегрузки [1, 2].
Это приводит к замедленной работе всего компьютера и происходит вызываету величение нагрузки на центральные процессоры [3].
Данные по мощности внешних сетевых угроз, за счет которых можно произвести сетевую перегрузку, представлены на рис.
Summary
При массированных DDoS-атаках в программном ядре происходят многочисленные сбои, ошибки и перегрузки [1, 2]. Это приводит к замедленной работе всего компьютера и происходит вызываету величение нагрузки на центральные процессоры [3]. Данные по мощности внешних сетевых угроз, за счет которых можно произвести сетевую перегрузку, представлены на рис. График DDoS-атак в годовом эквиваленте за 2011-2015 [4] Fig. 1. Schedule of DDoS-attacks in annual terms for the 2011-2015 [4] Параллелизация программного ядра – это равномерное распределение нагрузочной способности центральных процессоров по физическим ядрам сервера. Появляется возможность повышения устойчивости против разносторонней отправки вредоносного сетевого трафика, направленного с разных ЭВМ [4, 5]
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