发明名称 |
Network system |
摘要 |
<p>A network system having a plurality of interconnected networks each having a policy server. The policy server sets a quality-guaranteed path in the network according to a policy held in the policy server. The policy server includes: a policy holding unit to hold a policy defining a quality that can be guaranteed in its own network, or local network, for an inter-network communication; a policy publicizing unit to make public the policy held in the policy holding unit to the policy servers of other networks; a guaranteed quality calculation unit to calculate, from a policy publicized by a policy server of a network on a path between the local network and other network, a quality that can be guaranteed for the path between the local network and the other network; and a quality-guaranteed path setting unit to provide a quality-guaranteed path, the quality-guaranteed path having a guaranteed quality within the quality calculated by the guaranteed quality calculation unit for the path between the local network and the other network. <IMAGE></p> |
申请公布号 |
EP1091526(A3) |
申请公布日期 |
2002.08.21 |
申请号 |
EP20000104880 |
申请日期 |
2000.03.08 |
申请人 |
HITACHI, LTD. |
发明人 |
EBATA, TOMOICHI;MIYAKE, SHIGERU;TAKIHIRO, MASATOSHI;TAKADA, OSAMU;KOIZUMI, MINORU;KUROSAKI, YOSHIYUKI;HIRATA, TOSHIAKI;TSUKADA, KOJI |
分类号 |
H04L1/20;H04L12/24;H04L12/66;H04L12/801;H04L12/851;H04L12/857;H04L12/911;(IPC1-7):H04L12/56;H04L29/06;H04L12/46 |
主分类号 |
H04L1/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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