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In this paper, we propose some specific methods in popular network scenarios and show that these generic methods can be combined together when it is necessary to adapt to different requirements of digital forensics in various scenarios. We also perform some analysis of digital forensics in different contexts and provide solutions to solve the problems that come along.
Effective and steady routing protocol will be an important factor to ensure performance of network. Protocol test is an important means to guarantee the rightness and effectiveness of the implementations of a protocol. Protocol conformance test focuses on the conformance of the implementation under test and the requirement of protocol standards. According to the characteristic of BGP4+ protocol, the...
Time synchronization is critical in distributed network system. A variety of network protocols, middleware and business applications rely on proper time synchronization across the computational infrastructure and depend on the clock accuracy. The “Network Time Protocol” (NTP) is the current widely accepted standard for synchronizing clocks over the Internet. In order to reduce access frequency to...
With the increase of XML data over the Internet, managing and analyzing huge amount of XML documents has played an important role for information management. This paper addresses the problem of clustering XML documents. Borrowing the idea of semi-clustering, it proposes a robust clustering method through a combination of single partitional and hierarchical clustering algorithms, which can eliminate...
Time synchronization is one of core technologies in distributed systems and communication fields. The "Network Time Protocol" (NTP) is the current widely accepted standard for synchronizing clocks over the Internet. NTP uses a hierarchical scheme in order to synchronize the clocks in the network. It mainly adopts a phase-locked loop technique to adjust the local clock. This paper develops...
A new rate-based active queue management (AQM) algorithm, called Yellow, is proposed in the paper. Yellow uses the load factor (link utilization) as a main merit to manage congestion. To improve congestion control performance, a queue control function (QCF) is introduced as a secondary merit. The sufficient condition for globally asymptotic stability is presented based on Lyapunov theory. Furthermore,...
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