Interference Analysis of OFDMA Based Distributed Network Architecture

Author(s):  
Chunli Wu ◽  
Xiaodong Xu ◽  
Xiaofeng Tao ◽  
Ying Wang ◽  
Ping Zhang
Author(s):  
Craig Burton ◽  
Shanika Karunasekera ◽  
Aaron Harwood ◽  
Duana Stanley ◽  
Ioanna Ioannou

Author(s):  
Yong-Sheng Ding ◽  
Xiang-Feng Zhang ◽  
Li-Hong Ren

Future Internet should be capable of extensibility, survivability, mobility, and adaptability to the changes of different users and network environments, so it is necessary to optimize the current Internet architecture and its applications. Inspired by the resemble features between the immune systems and future Internet, the authors introduce some key principles and mechanisms of the immune systems to design a bio-network architecture to address the challenges of future Internet. In the bio-network architecture, network resources are represented by various bioentities, while complex services and application can be emerged from the interactions among bio-entities. Also, they develop a bio-network simulation platform which has the capability of service emergence, evolution, and so forth. The simulation platform can be used to simulate some complex services and applications for Internet or distributed network. The simulators with different functions can be embedded in the simulation platform. As a demonstration, this chapter provides two immune network computation models to generate the emergent services through computer simulation experiments on the platform. The experimental results show that the bio-entities on the platform provide quickly services to the users’ requests with short response time. The interactions among bio-entities maintain the load balance of the bio-network and make the resources be utilized reasonably. With the advantages of adaptability, extensibility, and survivability, the bio-network architecture provides a novel way to design new intelligent Internet information services and applications.


Author(s):  
Surya Pratap Singh ◽  
Arvind Kumar Maurya ◽  
Manish Mishra ◽  
Upendra Nath Tripathi

The data is the most valuable asset of any organization, it resides data in the database system that is used to store data of every running application. So the security of database is very important. One of the most widely used types of a database is Distributed Database which has the capabilities of both a relational database and distributed network architecture. Hence the security of database is of the prime concern and at the same time, it is very tough to ensure, because different types of attackers and hackers are trying everything to compromise the distributed database security. Various researches are done to preserve the distributed database security but some security problems are still unresolved. In this paper, we propose the use of Multi-scope based authentication and Enhanced Distributed firewall by which the integrity and security of distributed database can be achieved.


Sensors ◽  
2020 ◽  
Vol 20 (4) ◽  
pp. 1138
Author(s):  
Qiao Liu ◽  
Wenjing Zhang ◽  
Sheng Ding ◽  
Hui Li ◽  
Yong Wang

Smart homes have been shown to be one of the most important applications of Internet of Things (IoT); however, security issues are still the main drawback to be improved, especially facing the problem of terminal power constraint and distributed network architecture. In this paper, we propose a novel secure group data exchange protocol in smart homes with physical layer approaches which retains the benefit of key sharing needless and lightweight computation. As the core technique, nested lattice physical layer network coding is conduct in each sensor node to form a summed data at a home router. With such summed data, the untrusted home router attack and external eavesdropper attack can be resistant. Performance has been analyzed for the proposed protocol in terms of time slot cost, security resistance, and secrecy capacity. Finally, simulations have been conducted to demonstrate the theoretical analysis.


2014 ◽  
Vol 543-547 ◽  
pp. 3000-3003 ◽  
Author(s):  
Yue Zhao ◽  
Xu Qian

E-commerce website with distributed architecture can deal with millions consumers to access and read and write at the same time. In this paper a new distributed network architecture designed for e-commerce website is proposed. Resource allocation and scheduling of the distributed architecture is discussed. Experiments show that the new architecture features a more quick and high response, and provide a kind of method for improving and perfecting the computing at the same time, filling the needs of producing.


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