In this process, the SP may contact multiple web services offered by airline companies, hotels and other companies, but the original requester is never made aware of these processes in detail.
在此过程中，SP可能会联系航空公司、酒店和其他公司提供的多个Web服务，但原始请求程序永远不会知道这些流程的细节。
SOA service Provider (SOA-SP) — At this tier, code implements the services.
SOA服务提供程序(SOA Service Provider, SOA - SP)——该层的代码实现服务。
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