Each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.
每一次请求都要在网络上传输一些数据；如果请求未在服务器上发现任何更新，那么这个数据传输就是浪费的。
On the top of that, each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.
除此之外，每一次请求都要在网络上传输一些数据，如果请求未在服务器上发现任何更新，那么这样的数据传输就是浪费资源。
Consider the case of a program sending a purchase request to another program over a network.
考虑一下这种情况：一个程序通过网络向另一个程序发出一个购买请求。
Therefore reducing the number of total connections per HTTP request by reusing a connection for more than one query improves processor, disk, and network performance.
因此，如果减少每个HTTP请求的总连接数，将一个连接用于多个查询，则可以提高处理器、磁盘和网络性能。
All of the above solutions use a simple loop to wait and handle requests, before dispatching the request to a separate function to handle the actual network interaction.
上面的所有解决方案都用简单的循环等待并处理请求，然后把请求分派给另一个函数以处理实际的网络交互。
If a valid response can be found in the browser cache, the browser displays the content to the end user without sending a request to the network.
如果可以在浏览器缓存中找到有效的响应，浏览器将不向网络发送请求，而直接将此内容向最终用户显示。
In some environments, sensitive information is added to the request after it has arrived on your network.
在某些环境中，当请求到达您的网络之后，会在其中添加敏感信息。
SNMP is a popular standard protocol that allows system management software to request and receive information from network devices, servers, and software.
SNMP是一个流行的标准协议，支持系统管理软件从网络设备、服务器和软件请求和接收信息。
The creation of the message that represents the request and response and the transfer of this data across the network create substantial overhead.
创建表示请求和响应的消息，并跨网络传输这些数据会产生巨大的开销。
Your host has an active network adapter that can be used to send out the request.
您的主机有一个活跃的网络适配器，可以使用它发送请求。
After a network request has been completed, the stack writes the response to the cache.
一个网络上的请求完成以后，堆栈把响应的结果写入到缓存。
This avoids the problem of congesting the network channel with non-critical resources when a high-priority request is pending.
在有高优先级的请求等待时，该功能可以避免让非关键资源占用网络通道的问题。
The network contains all the infrastructure components that a request passes on its way from the browser to the portal infrastructure.
网络中包含请求从浏览器到门户基础设施所经过的全部基础设施组件。
SOAP USES serializers and deserializers to translate from the native language of a software application to the SOAP protocols that transfer the request and response over the network.
SOAP使用序列化器和反序列化器将软件应用程序的本机语言转换为SOAP协议，以在网络上传输请求和响应。
When the user makes a request, the client stack first checks the file cache for a response before going over the network.
当用户发送来一个请求时，客户端堆栈在把这个请求转发到网络上之前首先查找文件缓存。
A slow network connection still affects the response time since these request and reply headers can take several seconds to be transmitted.
慢速网络连接仍然会影响响应时间，因为这些请求头和响应头的传输要花几秒时间。
If no matching valid response can be found in the browser cache, the request is sent to the network.
如果未在浏览器缓存中找到匹配的有效响应，将把请求发送到网络上。
Every request requires an entirely new set of resources (objects, CPU and network bandwidth) to process a response.
每次请求都需要一组全新的资源(对象、CPU和网络带宽)来处理响应。
The CIM Client issues a CIM server process request that creates a subscription over the network; the main function of the process is to register to receive indications.
CIM客户机将发出 CIM服务器过程请求，该请求将创建基于网络的订阅；过程的主要函数将注册以接收表示。
A request command is enclosed in the data or message section of the underlying network packet. It requests the contents of registers in the device containing signal data of a device.
底层网络包的数据或消息区域封装了一个请求命令，它请求设备中包含设备信号数据的寄存器的内容。
Most applications that request this data, however, employ some form of caching, as network round-trips are very expensive.
然而，大多数请求这个数据的应用程序使用了一定程度的缓存，因为网络往返开销很昂贵。
Traverse the network stack to accept the inbound request.
遍历网络堆栈，以接受入站请求。
The DNS request is intercepted and rewritten by a device on the venue's network.
域名系统DNS的请求被该场所的网络设备所截取并被重写。
Because you are done receiving data from the server at this point, your request is complete and you can turn off the network activity indicator, as listing 4 demonstrates.
由于现在已经从服务器接收完数据，请求就完成了，可以关闭网络活动指示器了，如清单4所示。
In this scenario, the network layer notifies all network listeners that a request has been issued to go offline.
在这种场景中，网络层通知所有的网络侦听程序：离线的请求已发布。
The time it takes to transfer an HTTP request and response across the network can be significantly reduced by decisions made by front-end engineers.
它采用要传输的HTTP请求的时间，并决定提出前端工程师可显著减少通过网络的响应。
The consumer marshals the document in a request and sends it over a network to the service.
消费者将文档编组成请求，并通过网络发送给服务。
Once XDR has translated the data into the common representation, the request is transferred over the network given a transport layer protocol.
一旦XDR 将数据转换为公共表示，需求就通过网络传输给出传输层协议。
Once XDR has translated the data into the common representation, the request is transferred over the network given a transport layer protocol.
一旦XDR 将数据转换为公共表示，需求就通过网络传输给出传输层协议。
应用推荐