Tài liệu, ebook Công Nghệ Thông Tin

We have discussed different resource allocation mechanisms We have discussed different queuing mechanisms We have discussed TCP Congestion Control mechanisms We have discussed Congestion Avoidance mechanisms We have discussed Quality of Services

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We have discussed how to convert host-to-host packet delivery service to process-to-process communication channel. We have discussed UDP We have discussed TCP

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Route optimization in Mobile IP The route from the sending node to mobile node can be significantly sub-optimal One extreme example The mobile node and the sending node are on the same network, but the home network for the mobile node is on the far side of the Internet Triangle Routing Problem Solution Let the sending node know the care-of-ad...

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We have looked at some of the issues involved in building scalable and heterogeneous networks by using switches and routers to interconnect links and networks. To deal with heterogeneous networks, we have discussed in details the service model of Internetworking Protocol (IP) which forms the basis of today’s routers. We have discussed in details ...

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We introduced the many and varied type of links that are used to connect users to existing networks, and to construct large networks from scratch. We looked at the five key issues that must be addressed so that two or more nodes connected by some medium can exchange messages with each other Encoding Framing Error Detecting Reliability Multipl...

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We have identified what we expect from a computer network We have defined a layered architecture for computer network that will serve as a blueprint for our design We have discussed the socket interface which will be used by applications for invoking the services of the network subsystem We have discussed two performance metrics using which we c...

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Prediction of US Dollar versus Deutsche Mark by Craven and Shavlik (I i l J l f N l S V l 8 N 4 A 1997 373 384 Thank you! nternat ona ourna o eura ystems, o . , o. , ugust , ‐ . • Number of input attributes: 69. • 12 inputs represent information from the time‐series, e.g. relative strength index, skewness, point and figure chart indicators. ...

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PKI - Public Key Infrastructure ▫ X.509 Authentication service ▫ Based on asymmetric cryptography ▫ Basic function - authentication of public keys ▫ Achieved by signing public keys ▫ Public key certificates issued by certifying authorities (CA) ▫ Permits different public key algorithms ▫ Revocation of certificates

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Service Convergence: Services will be differentiated according to the types, cost, availability and quality. A single cloud may not be enough to meet mobile user’s demands. New scheme is needed in which the mobile users can utilize multiple cloud in a unified fashion. The scheme should be able to automatically discover and compose services for ...

45 trang | Chia sẻ: nguyenlam99 | Ngày: 10/01/2019 | Lượt xem: 857 | Lượt tải: 0

Kinh nghiệm thực tế cho thấy, người sử dụng thường hay coi nhẹ việc hạch toán giá thành tổng thể trong khi quá tập trung vào các đặc tính kỹ thuật và giá cả trang thiết bị phần cứng. Ví dụ, trình độ và kinh nghiệm sẵn có cũng như giá dịch vụ thiết kế, lắp đặt và bảo trì đóng vai trò rất quan trọng trong đầu tư tổng thể và lâu dài. Trong hoàn cả...

80 trang | Chia sẻ: nguyenlam99 | Ngày: 10/01/2019 | Lượt xem: 1000 | Lượt tải: 0