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The high heterogeneity of large-scale p2p system leads us to the philosophy that the size of a node's routing table and its updating cost should correspond to the node's capacity. With this philosophy, we design a novel structured overlay: SmartBoa. SmartBoa categorizes nodes into different levels according to their capacities. A node at level k has a(More)
Nodes in peer-to-peer systems need to know the information about others to optimize neighbor selection, resource exchanging, replica placement, load balancing, query optimization, and other collaborative operations. However, how to collect this information effectively is still an open issue. In this paper, we propose a novel information collection protocol,(More)
We obtained 3,372 tentative unique transcripts (TUTs) from a cDNA library of Fusarium oxysporum. A cDNA array with 3,158 TUTs was produced to analyze gene expression profiles in conidial germination. It seems that ras and other signaling genes, e.g., ccg, cooperatively initiate conidial germination in Fusarium by increasing protein synthesis.
How to build an efficient and scalable p2p file sharing system is still an open question. Structured systems obtain O(log(N)) lookup upper bound by associating content with node. But they can not supporting complex queries. On the other hand, Gnutella-like unstructured systems support complex queries, but because of its random-graph topology and its(More)
As network data security becoming more and more universalized, distributed Secure Sockets Layer (SSL) reverse proxies are often used in Web systems to offload CPU exhausting SSL operations from Web servers and improve the execution performance of the SSL protocol. The distribution strategy of user requests to the SSL reverse proxies is a significant factor(More)
The structure of an accurate ab initio model of aqueous sodium ion was calculated at two high temperature state points (573 K, 0.72 g/cm(3) and 723 K, 0.0098 g/cm(3)) by a two-step procedure. First, the structure of an approximate model (the TIP4-FQ model for water and Na-H2O interactions from Liu et al.) was calculated from a molecular dynamics simulation(More)