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As the work for managing a whole network effectively without a limited purpose, there is the work of PBNM (policy-based network management). PBNM has two structural problems such as communication concentration from many clients to a communication control mechanism called PEP (policy enhancement point) and the necessity of the network system updating at the time of introducing PBNM into LAN. Moreover,...
There are document reproduction/distribution systems aimed for the copyright protection in the educational site. But, these systems are not always convenient and it is often hard to manage the systems for network administrator. We apply a DACS Portal to the systems by using the network communication control on the client. On the DACS Scheme, a new distribution system is developed which displays static...
In standard IP networks, the control of communication of individual connections is an important aspect of network management. Generally, we distinguish two models of communication control. One is based on the exploitation of standard mechanisms, such as IP filtering, port blocking, routing rules, deployed along the path between the client and the server. We refer to these mechanisms as infrastructure-based...
When operation and management in the university network are performed, various problems occur. As one of those problems, user support problems in the network are often shown. As an example, support at the time of changing setups of a client computer by a user, is described. In this case, it take trouble very much for a system administrator because it is often necessary to support individual users,...
Where customers with different membership and position, use computers as in the university network systems, it often takes much time and efforts for them to cope with the change of the system management. This is because the requirements for the respective computer usage are different in the network and security policies. In this paper, destination addressing control system scheme (DACS scheme) for...
The study of DACS scheme, which manages a whole network system by communication control on a client computer, has been advanced. On the network introducing DACS scheme, when configuration change of the network system is carried out, a client computer can be used without changing setups. So far, functions of DACS scheme and of network service which is realized on the network introducing DACS scheme...
As a communication mean, Personal Portal which is an entrance where each user can acquire his/her interested information on the network, is often used. We have problems on the existing Personal Portal described as follows. First, the program to realize the Personal Portal which is located on a specific Web Server, becomes large-scaled and complicated. Because Web pages as Personal Portal depend on...
As a communication mean, personal portal which is an entrance where each user can acquire his/her interested information on the network, is often used. We have problems on the existing personal portal described as follows. First, the program to realize the personal portal which is located on a specific Web server, becomes large-scaled and complicated. Because Web pages as personal portal depend on...
When operation and management in the university network are performed, various problems occur. As one of those problems, user support problems in the network are often shown. As an example, coping with annoying communication to other users is described. The word of "annoying communication" means the communication which adversely affects processing performance and communication speed of other...
When customers with different membership and position use computers as in the university network systems, it often takes much time and efforts for them to manage a network system. This is because the requirements for the respective computer usage are different in network and security policies. In this paper, the destination addressing control system scheme (DACS scheme) for the university network...
As a communication mean, personal portal, which is an entrance where each user can acquire his/her interested information on the network, is often used. We have problems to realize the personal portal described as follows. First, the program to realize the personal portal, which is located on a specific Web server, becomes large-scaled and complicated. Moreover, because Web pages as personal portal...
Where customers with different membership and position, use computers as in the university network systems, it often takes much time and effort for them to cope with the change of the system management. This is because the requirements for the respective computer usage are different in the network and security policies. In this paper, a new destination addressing control system (DACS) scheme for the...
Where customers with different membership and position, use computers as in the university network systems, it often takes much time and efforts for them to cope with the change of the system management. This is because the requirements for the respective computer usage are different in the network and security policies. In this paper, a new destination addressing control system (DACS) scheme for...
The pathogenic role of Rhodococcus equi in pigs remains controversial. Small numbers of pigs were inoculated intravenously (i.v.), or intramuscularly (i.m.) around the mouth, with a virulent, an intermediately virulent, or an avirulent strain of R. equi and killed 14 days later. None showed clinical signs other than transient fever and weight loss. The virulent and intermediately virulent strains...
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