这一层提供了一组通用函数供底层网络设备驱动程序使用，让它们可以对高层协议栈进行操作。
This layer provides a common set of functions to be used by lower-level network device drivers to allow them to operate with the higher-level protocol stack.
要使移动P 2 P用户可以使用JXTA网络，我们需要一组用于移动设备的轻量级JXTAAPI。
To make JXTA networks available to mobile P2P users, we need a set of lightweight JXTA APIs for mobile devices.
药片大小的设备将拥有和一组网络计算机一样强劲的计算和存储功能。
A device the size of tablet might carry the processing power and memory of a network of computers.
假定出现了某个网络问题，例如，靠近设备的路由器出错，或一组设备出错。
Suppose that some network issue emerges-a router close to the devices fails or a cluster of devices fails.
美国芯片制造商高通(Qualcomm)公司在周四发布了移动设备新系列芯片组，包含了对HSPA +数据网络的支持。
Chipmaker Qualcomm on Thursday announced a new range of chipsets for mobile devices that include support for dual-carrier HSPA + data networks.
现在，关注一下具有内置Bluetooth芯片组的设备上的Bluetooth网络数据流。
Now, take a look at Bluetooth network data flow on a device with a built-in Bluetooth chipset.
目前由于MPLSVPN网络中很多PE设备尚不支持组播业务，因此在VPN内部署组播业务时遇到了一定的困难。
Now, many PE devices in MPLS VPN network do not support multicast service, as result, it brings difficulty in multicast service.
用组播技术进行网上视频广播可以节约带宽和减轻服务器的负载，但往往由于网络互联设备不支持组播功能而不能实现。
Network video broadcast with multicast can save bandwidth and reduce the load of server, but it often can't be realized because the equipments of interlinking networks don't support multicast.
第二，路由交换设备必须具有良好的组播支持能力，用于支撑具有动态组播特性的宽带流媒体网络承载业务；
Second, they should be able to support multicast, which can be used for carrying broadband multimedia network traffic with dynamic multicast characteristic.
是由一组无线移动主机组成的一个没有任何建立好的基础设施或集中管理设备的临时网络。
Mobile ad hoc networks (MANETs) are collections of wireless mobile nodes, constructed dynamically without the use of any existing network infrastructure or centralized administration.
本文中，利用现有的网络设备和条件构建IP组播系统。
In the thesis, conceive IP multicast system which utilize existing equipment and condition of network.
将设备分配到组，组中的各设备可以接收同一个帧，这样送往组的数据包减少，从而减少了网络流量。
Devices can be assigned to groups, and whole groups can be addressed with a single frame; thereby reducing network traffic for packets destined for groups.
将设备分配到组，组中的各设备可以接收同一个帧，这样送往组的数据包减少，从而减少了网络流量。
Devices can be assigned to groups, and whole groups can be addressed with a single frame; thereby reducing network traffic for packets destined for groups.
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