This involves deciding on the level of granularity of the functions to be exposed as web services to avoid unnecessary message exchanges across the Internet.
这包括决定作为Web服务公开的函数的粒度来避免跨internet的不必要的消息交换。
SOAP also provided the hooks for easy extensibility, so that higher-level infrastructure functions could be added to enhance XML message exchange in the future.
SOAP还提供了各种挂钩(hook)机制，以方便扩展，从而可以添加高级基础结构功能，以增强未来的XML消息交换。
MTP Level 3, the network layer, provides message handling and network management functions and procedures.
MTP第3级，网络层，提供消息处理和网络管理功能和过程。
Security service: the server offers transport and message level security functions.
安全服务：服务器提供网络传输层和消息层等多种安全管理机制。
Security service: the server offers transport and message level security functions.
安全服务：服务器提供网络传输层和消息层等多种安全管理机制。
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