Active networks is primarily a Defense Advanced Research Projects Agency(DARPA)-funded project focusing on the research of mechanisms, applications, and operating systems to develop a reconfigurable network infrastruc...Active networks is primarily a Defense Advanced Research Projects Agency(DARPA)-funded project focusing on the research of mechanisms, applications, and operating systems to develop a reconfigurable network infrastructure. This letter proposes an Secure Active Tracing System (SATS) to implementing security for active networking in Internet. Unlike currently existing schemes, SATS reduces the computational overloads by executing the filtering operation on selected packet streams only when needed.展开更多
A new wavelength reservation scheme is proposed the reconfiguration times of optical cross-connects （OXCs） for we consider the reconfiguration information of switch fabrics to mitigate the connection setup time and ...A new wavelength reservation scheme is proposed the reconfiguration times of optical cross-connects （OXCs） for we consider the reconfiguration information of switch fabrics to mitigate the connection setup time and minimize WDM optical networks in this study. In this scheme, in the signaling protocol, which is designated as the signaling with switch fabric status （SWFS）. Distributed reservation algorithms will reserve the wavelength with minimum of reconfiguration times of OXCs along the route. Simulation results indicate that the proposed schemes with switch fabrics status have shorter setup time, lower switching ratio as well as better blocking performance than those of the traditional classic schemes. Moreover, the proposed schemes with SWFS significantly reduce the number of switch fabrics that need to be reconfigured.展开更多
文摘Active networks is primarily a Defense Advanced Research Projects Agency(DARPA)-funded project focusing on the research of mechanisms, applications, and operating systems to develop a reconfigurable network infrastructure. This letter proposes an Secure Active Tracing System (SATS) to implementing security for active networking in Internet. Unlike currently existing schemes, SATS reduces the computational overloads by executing the filtering operation on selected packet streams only when needed.
基金the National Natural Science Foundation of China (Nos. 60632010 and 60572029)the National High Technology Research and Development Program (863) of China (No. 2006AA01Z251)
文摘A new wavelength reservation scheme is proposed the reconfiguration times of optical cross-connects （OXCs） for we consider the reconfiguration information of switch fabrics to mitigate the connection setup time and minimize WDM optical networks in this study. In this scheme, in the signaling protocol, which is designated as the signaling with switch fabric status （SWFS）. Distributed reservation algorithms will reserve the wavelength with minimum of reconfiguration times of OXCs along the route. Simulation results indicate that the proposed schemes with switch fabrics status have shorter setup time, lower switching ratio as well as better blocking performance than those of the traditional classic schemes. Moreover, the proposed schemes with SWFS significantly reduce the number of switch fabrics that need to be reconfigured.
