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METHOD AND SYSTEM FOR DEEP STATS INSPECTION (DSI) BASED SMART ANALYTICS FOR NETWORK/SERVICE FUNCTION CHAINING
METHOD AND SYSTEM FOR DEEP STATS INSPECTION (DSI) BASED SMART ANALYTICS FOR NETWORK/SERVICE FUNCTION CHAINING
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机译：基于深度统计检验（DSI）的网络/服务功能链智能分析的方法和系统
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摘要
A method and system for deep stats inspection (DSI)-based smart analytics for service function chaining (SFC) in a virtualized network/service environment are described. DSI assists the service function forwarder (SFF) to analyze the path, routing, processing history, forecasted transit nodes and destination of packet-streams. The SFF can be physical or virtual or a combination of both in the chained path. The packet streams can have a header or a trailer that may carry (a) a profile of the service that is generating the traffic being carried by the packet-stream/flow, and (b) a signature of the expected and traversed chain, path or route. The profile and the signature can be in the form of statistical information and can help the current SFF make intelligent chaining and forwarding decisions. The methods and systems described can help fulfill both end-to-end network and service (quality, customers experience, etc.) expectations. DSI can also be utilized for service chaining in multi-tenant environments (data centers), automated load balancing (ALB), and automated disaster recovery (ADR).
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