最后,假设买方的银行帐户状态良好,供应商就向仓库发送一个按订单发货的请求。
Finally, assuming that the bank account status is good, the supplier sends a request to the warehouse to ship the order.
因为订单在变化,所以在每次请求的时候查询它并检查它的状态会更容易。
Because the order is changing, it's easier to simply look it up and check it's status each request.
RPC模型中的通信通常是同步的,并且请求的操作通常代表了细致且个别的工作项(例如:检查一个订单的状态)。
Communication in the RPC model is most often synchronous, and requested operations generally represent fine-grained, individual work items (for example, checking on the status of an order).
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