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INTEGRATING PHYSICAL AND VIRTUAL NETWORK FUNCTIONS IN A SERVICE-CHAINED NETWORK ENVIRONMENT
INTEGRATING PHYSICAL AND VIRTUAL NETWORK FUNCTIONS IN A SERVICE-CHAINED NETWORK ENVIRONMENT
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机译:将物理和虚拟网络功能集成到服务链网络环境中
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摘要
Packets of data can be processed by a chain or sequence of service functions which include both virtual and physical service functions. In one approach, the original header and/or payload of a packet is analyzed at a software switch to determine whether the packet should be processed by the chain. If such processing is indicated, a next service function to process the packet is identified. The packet is then forwarded to a virtualized or physical device which implements the next service function. A portion of the header, such as a MAC destination address, may be modified to direct the packet to the next function. Further, in some cases, a service function chain (SFC) header with a chain identifier may be added to, or removed from, the packet.
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