发明授权
US08463901B2 Stateful flow information table method and system for packet inspection system
有权
有状态流信息表方法和系统的分组检测系统
- 专利标题： Stateful flow information table method and system for packet inspection system
- 专利标题（中）： 有状态流信息表方法和系统的分组检测系统
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申请号： US12790509申请日： 2010-05-28
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公开(公告)号： US08463901B2公开(公告)日： 2013-06-11
- 发明人: Bruce E. Caram
- 申请人： Bruce E. Caram
- 专利权人： Arbor Networks, Inc.
- 当前专利权人： Arbor Networks, Inc.
- 代理机构： Edwards Wildman Palmer LLP
- 代理商 Scott D. Wofsy; Christopher J. Capelli
- 主分类号： G06F15/16
- IPC分类号： G06F15/16 ; G06F12/00
摘要：
A packet processing system comprises two packet inspection systems for tracking packet flows between a first network and a second network. A memory is accessible by each of the packet inspection systems for storing flow entries. Each of the flow entries includes a flow key characterizing a packet flow associated with flow entry, a flow identifier. State information is further maintained indicating ownership of the flow identifiers among the two packet inspection systems. Using stateful identifiers ensures that two packet processing systems do not become incoherent and properly indicate the status of free flow identifiers.
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