发明授权
- 专利标题： Multiple network architecture providing for migration of devices
- 专利标题（中）： 提供设备迁移的多网络架构
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申请号： US12754609申请日： 2010-04-06
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公开(公告)号： US08363666B2公开(公告)日： 2013-01-29
- 发明人: Siva Prasad Donthamsetty , Kulkarni Hrishikesh Vishwas , Lilian Sylvia Fernandes , Michael R. Smith , Srinath Mohanraj
- 申请人： Siva Prasad Donthamsetty , Kulkarni Hrishikesh Vishwas , Lilian Sylvia Fernandes , Michael R. Smith , Srinath Mohanraj
- 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： The Law Office of Kirk D. Williams
- 优先权： IN383/DEL/2010 20100222
- 主分类号： H04L12/28
- IPC分类号： H04L12/28
摘要：
In providing seamless migration of virtual or physical devices among networks of a virtual local area network (VLAN) such as one spanning multiple data centers, a same virtual anycast Medium Access Control (VMAC) is used for reaching default gateways in virtual and/or physical devices. Each network is typically configured such that source MAC learning for the VMAC should happen only for packets coming from the local default gateway. In this manner, when a device is migrated between networks of the VLAN, the same IP address and corresponding MAC address (typically still residing in the MAC cache of the migrated device) can be used to reach the local default gateway.
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