发明授权
US07570586B1 Backup service managers for providing reliable network services in a distributed environment
有权
备份服务管理器，用于在分布式环境中提供可靠的网络服务
- 专利标题： Backup service managers for providing reliable network services in a distributed environment
- 专利标题（中）： 备份服务管理器，用于在分布式环境中提供可靠的网络服务
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申请号： US10737580申请日： 2003-12-16
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公开(公告)号： US07570586B1公开(公告)日： 2009-08-04
- 发明人: Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang , Bruce F. Wong
- 申请人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang , Bruce F. Wong
- 申请人地址： US CA San Jose
- 专利权人： Cisco Technology, Inc.
- 当前专利权人： Cisco Technology, Inc.
- 当前专利权人地址： US CA San Jose
- 代理机构： Baker Botts L.L.P.
- 主分类号： H04J1/16
- IPC分类号： H04J1/16
摘要：
A system and method are disclosed for providing a network service. A first criteria specifying a first set of flows from a first service manager is received at a forwarding agent. The first criteria specifies an expiration time interval. The first criteria is stored on the forwarding agent. A second criteria is received that specifies a second set of flows from a second service manager at the forwarding agent. The second set of flows includes flows that are in the first set of flows and the second criteria is designated as a lower priority criteria. The second criteria is stored on the forwarding agent. The first criteria is deleted from the forwarding agent upon the expiration of the expiration time interval. A packet is received that belongs to a flow that is included in the first set and the second set. It is determined that the packet matches the second set ant the packet is forwarded to the second service manager.
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