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Energy usage in data centres continues to be a major and growing concern as an increasing number of everyday services depend on these facilities. Research in this area has examined topics including power smoothing using batteries and deep learning to control cooling systems, in addition to optimisation techniques for the software running inside data centres. We present a novel real-time power-cycling...
IP Multimedia Subsystem (IMS) was the core technology of next generation networks. Intelligent multimedia communications platform which based on IMS was established by Henan Power. It integrated video conferencing, teleconferencing and data collaboration. It also provided integrated solutions include voice dispatch, scheduling video, video conferencing, scheduling and other multimedia data communications...
A large amount of DNS queries ask for error names or error records, and therefore they are negatively answered. Those negative responses, however, are sub optimally cached by today's DNS and DNSSEC. This weakness of negative caching may exhibit low negative cache hit rate so as to be vulnerable to DoS/DDoS attacks utilizing name error queries. This paper proposes a high efficient Negative Caching...
Kaminsky cache poisoning is arguably the most prominent and dangerous attack to DNS especially when DNSSEC is still on its way to global deployment. This paper investigates the choice space of Kaminsky cache poisoning attackers. Based on the maximum-efficiency attack model, critical parameters as well as their impacts on cache poisoning are thoroughly studied. In theory, Kaminsky cache poisoning attackers...
DNS Security Extensions (DNSSEC) is introduced as a set of extensions to DNS which provide data origin authentication, data integrity, and authenticated denial of existence. To maintain the integrity of the DNSSEC system in the case of key compromise, the compromised keys active in the trust chain need to be renewed as soon as possible. This paper is the first to provide extensive and systematic analysis...
The Domain Name System (DNS) resolution is usually served by multiple geographically distant servers. In planning and optimizing DNS server number, placement, and capacity, it is important to predict server load distribution given some knowledge about the network locations and query rates of active caching resolvers. This poster proposes an analytical model for predicting the DNS server load distribution...
Delegation is crucial in achieving DNS name space's scalability, however the misleading delegation may lead to data inconsistencies or even failure of resolution. This paper proposed a set of metrics for DNS delegation misleading. A step-wise calibration algorithm is designed to identify the faulty servers. The measurement study for DNS delegation misleading using the calibration algorithm was conducted.
Domain Name System (DNS) reverse resolution is commonly relied on by anti-spam techniques to verify the email origins and by measurements or applications to uncover the host information. But the current practice is not able to clarify the IP addresses with no reverse resolution response and the source verification process is not optimized in terms of network bandwidth and response latency. This paper...
In the structure 1 of Collaborative e-Commerce, information is the key for users to learn all sorts of information about people and system in this environment, which is also an important factor being considered in the process to materialize such a Collaborative e-Commerce environment. This paper presents the analysis of traits of information in Collaborative e-Commerce environment, its forming process...
The domain name system (DNS) is a fundamental component of the modern Internet. In the deployment of real time DNS monitoring and analysis system, the large volume CN top level domain DNS log, especially by BIND, heavily burdens its transmission from the distributed sites to the data processing center. The redundancy of DNS query type and the repetitiveness of DNS query time, IP and domain name is...
As an important part of workflow management system, the organization model is being challenged by some difficulties such as cross-region, heterogeneous systems and so on. Firstly, this article proposes an organization model hosted in the LDAP directory server. This scheme expands the scope of model utilization, gives the technical method which is capable of dealing with the heterogeneity, distribution...
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