A layer-3 switch is a switch that can perform routing functions.
三层交换机是可执行路由功能的交换机。
We study the potential results of attacking methods exploiting layer-2 and layer-3 vulnerabilities composedly.
研究了综合利用二层三层网络弱点可以达到的破坏作用。
UDP permits the host to manage congestion, pushing this aspect into the application layer protocol of FASP (see Figure 3).
UDP允许主机管理阻塞，将这个方面推进到 FASP的应用层协议中（参见图 3）。
The service integrator is responsible for managing multiple integration layers, as depicted in Figure 3 (layer 6).
服务集成器负责管理多个集成层，如图3所示(层6)。
We heavily debated whether to package along subsystem lines (Figure 2) or along architectural layer divisions (Figure 3).
我们一直在争论是按照子系统(图2)来划分包还是按照架构的层次来划分(图3)。
层3：服务层。
IP, located one layer down, at the OSI network layer, or layer 3, communicates the addresses of each packet's sender and receiver to the routers along the way.
IP位于下一层，在OSI的网络层，即第三层，把每个包的发送者和接收者地址告诉一路上各个路由器。
Configure the line CARDS and ports for layer 3 (VLan routing) by doing the following.
执行以下操作为第3层(vlan路由层)配置线卡和端口。
Routing is a function associated with the network layer (layer 3) in the standard model of network programming, the Open Systems Interconnection (OSI) model.
在开放系统互连osi模型中，路由是网络层(第三层)的功能。
Listing 3 adds a cache layer to the SimpleXML example from Listing 2.
清单3在清单2所示simpleXML例子的基础上增加了缓存层。
The Data Abstract Layer consists of a single class to provide location-related data to the business layer (see Figure 3).
数据抽象层包含一个类，用于向业务层提供关于位置的信息（请参见图 3）。
If your soil does not contain a lot of sand, add a 3-inch layer of sand on top of the soil.
如果土壤含沙量不够，则需在土壤表面覆盖3英尺的细沙。
Layer 3 processor system or interface buffers.
第三层处理器系统或接口缓冲区。
Companies traditionally have gained basic resiliency for their metropolitan Ethernet networks through a Layer 2 mechanism such as Spanning Tree or Layer 3 routing protocols.
传统上，各个公司是通过第二层机制(如生成树)或第三层路由协议，获得城域以太网的基本弹性。
From the above table, we can see that a service-policy applies only to packets in the Layer 3 queue.
从上述表中，我们能发现服务策略只能应用在三层队列的数据包上。
The framework we'll create is a simple 3-tier framework that processes business logic using three patterns: the 3-layer architecture pattern, the Singleton pattern, and the Command pattern.
我们将要建立的是一个简单的3-tier框架，它使用了三种模式处理业务逻辑：3-layer体系结构模式、Singleton模式和Command模式。
Table 3: Middleware Layer (Partial Sample).
表3：中间件层(部分示例)。
This structure is an application of the 3-layer pattern, which separates application logic into Presentation, Business, and Integration/Persistence categories.
这个结构是3-layer模式的应用，它把应用逻辑分成Presentation、Business和Integration/Persistence这几个类别。
But the question is how can we design this Data Service Layer? Fred sees 3 different possibilities.
但是问题是，我们如何设计这个数据服务层？
The 3-layer pattern shown here is what the pattern looks like before it's applied.
所示3 - layer模式就是它在被应用前的情形。
Layer 3 source and destination addresses do not change when the packet traverse.
当储存器横过的时候，层3个来源和目的地住址不改变。
However, IP traffic can be protected using techniques below layer 3.
然而，IP流量可以使用三层以下的技术来保护。
For example, if a multilayer switch supports IP, then IPX packets can only be switched at layer 2 not routed at layer 3.
例如，若某台多层交换机支持ip协议，ipx包则只能在第二层上交换，不能在第三层上规定路由。
This paper discusses the key technologies of layer 3 switch-IP switching and analysis several different IP switching techniques. Finally it refers the existing problems in IP switching.
讨论了第三层交换-IP交换的关键技术，分析比较了几种不同的IP交换技术，并指出了所存在的问题。
The fuel electrode (1) is disposed opposite to air electrode (5) through electrolyte layer (3) to thereby construct a fuel cell.
燃料电池包含燃料电极1和空气电极5以及夹于其间的电解质层3。
In this paper, a new cluster management system is described by proposing a new protocol, with this protocol layer 2 and layer 3 switches can be managed in a cluster system seamlessly.
本文以协议的形式提出了一种新的以太网交换机集群管理方案，将二层交换机和三层交换机的集群管理无缝地结合在一起。
The layer 3 switch technology which fits for the need of aggregation layer is a combination of the layer 2 switch technologies and routing.
三层交换技术将传统的二层转发和路由技术结合起来，特别适合汇聚层的需要。
The SPX layer sits on top of the IPX layer (layer 3) and provides connection-oriented services between two nodes on the network.
SPX层位于IPX层(第三层)之上，可以为网络的两个节点提供基于连接的服务。
User processes includes link scan task, layer 3 unicast task, layer 3 multicast task, management interface and network protocols.
用户进程主要包括链路状态扫描任务、三层单播任务、三层组播任务、管理界面和网络协议。
User processes includes link scan task, layer 3 unicast task, layer 3 multicast task, management interface and network protocols.
用户进程主要包括链路状态扫描任务、三层单播任务、三层组播任务、管理界面和网络协议。
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