Because the only significant variable is bandwidth, there is little opportunity to tailor the delivery to the user's connection capabilities.

因为带宽是唯一重要的可变因素，所以没什么机会可以将这种传送适应用户的连接能力。

youdao

Moreover, a TCP connection is reliable, meaning that the two machines cooperate to guarantee the delivery of a piece of data.

此外，TCP连接是可靠的，也就是说两台机器相互协作，保证数据的传输。

youdao

The MQTT client tracks any publications that were in flight in the event of a connection failure, and it attempts to complete the message delivery upon reconnection.

MQTT 客户机可跟踪连接故障时的所有发布，并试图一旦重建连接就即刻完成消息传递。

youdao

The server also includes Microsoft Message Queuing to support asynchronous delivery of data to devices without a persistent connection.

CNN: Microsoft introduces wireless server

Alternatively, rivals may hand over mail to the national operator for final delivery, akin to the last-mile connection that gives new entrants access to existing telecoms infrastructure.

ECONOMIST: Post offices

And they should have gone into the break 2-1 up, with Nedum Onuoha heading over from six yards and Cristian Riveros failing to make a decent connection with Elmohamady's lovely delivery from the right.

BBC: Sunderland 1-1 Arsenal