They do not allow two-layer routing and have no channels, so you cannot use a channel-based router.
他们不允许两层布线并且没有通道，因此你不能用一个基于通道的布线器。
Thus, in multi-layer routing, to reduce the number of vias is an important and urgent problem to be addressed.
因此，在多层布线时，减少通孔数是一个十分重要和迫切需要解决的问题。
Current Internet adopts IP-based network-layer routing and name resolution-based Domain name System (DNS) application-layer routing.
现有互联网采用了基于IP地址的网络层路由技术和基于域名解析的域名服务器(DNS)应用层路由技术。
MPLS, which stands for Multi-Protocol Label Switch, is the new generation standard for network layer routing on IP-based backbone network.
即多协议标记交换是新一代IP骨干网络的交换标准。
In this example, you changed the assumption and practice of implementing message routing at the physical layer and moved it up into a logical layer where it is managed by the cluster.
在本文的示例中，您更改了在物理层实现消息路由的假设和做法，并将其向上移动到了逻辑层中，并在那里由集群进行管理。
Controlling routing at the physical network layer embeds policy into topology.
在物理网络层控制路由需要将策略嵌入到拓扑中。
With routing defined in a logical layer above the physical network, it is possible to have many overlapping topologies implemented on the same network fabric.
通过在物理层之上的逻辑层中定义路由，可以在相同网络结构上实现许多重叠的拓扑。
Create routing entries at the logical layer.
在逻辑层创建路由条目。
The routing of a message to the appropriate shipping service would be done at the ESB layer.
可以在ESB层完成消息到相应发货服务的路由。
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。
Services Layer - runs the gateway services such as connection routing, provisioning and billing.
服务层——运行通道(gateway)服务，像连接路由、提供(provisioning)和计费(billing)。
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。
Because you can describe an entire message path with WS-Routing, a SOAP message does not require a binding to a transport-layer protocol (like HTTP) for describing the message path.
因为您可以用WS - Routing描述一条完整的消息路径，所以SOAP消息不需要到传输层协议(如HTTP)的绑定来描述消息路径。
The network layer manages the movement of packets in a network, specifically making sure packets get to their destination (also called routing).
网络层（networklayer） 负责管理网络中的报文移动，具体来说就是确保报文都到达自己的目标（也称为路由）。
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。
Routing algorithm is a key issue on network layer in sensor network.
路由算法是传感器网络在网络层上的一个关键研究课题。
Results The Three Layer Switching ′s routing may spend much less time delay and less cost than a common router.
结果三层交换机路由选择所花延迟时间比一般路由器少得多。
PCB design mostly includes the system's size programming, board layer programming and routing design.
印刷电路板设计主要包括了系统尺寸规划、板层规划和布线设计等等。
Routing protocol is a key issue on network layer in WSN.
路由协议是无线传感器网络在网络层上的一个关键研究课题。
Layer 3 switch not only implements high-speed data transit, but also accomplishes routing among VLANs.
三层交换机既实现数据的高速交换，又完成VLAN之间的路由。
In net layer, the fisheye state routing is used.
网络层采用鱼眼状态路由。
The energy control mechanism is performed by the MAC layer and the routing layer, but the MAC layer is more direct and frequent in the energy control than the routing layer.
而传感器网络中能量的控制主要由MAC层和路由层完成，MAC层相对于路由层对能量的控制更为直接和频繁。
Minimum diameter application layer multicast routing with degree constraints has been proved to be a NP-complete problem.
本文研究了带度约束的最小直径应用层网络多播路由问题，提出了解决该问题的启发式遗传算法。
Like TRILL, shortest path bridging is designed to address this problem by applying the Layer 3 routing protocol to Layer 2 devices.
像颤音，最短路径连接的目的是解决这个问题通过应用第三层路由协议第2层设备。
A routing loop detection method called RMLD was proposed, which can quickly detect the routing loop in the second layer by using a kind of special RM cells.
提出了一种路由环检测方法，称之为RMLD。它通过使用一种特殊的RM信元可以在第二层上快速检测出路由环。
Two-layer channel routing is one of the key steps in the automatic layout design of VLSI chips.
两层通道布线问题在超大规模集成电路自动布图设计中是关键步骤之一。
The Operations, Maintenance and administration Part (OMAP) layer provides procedures related to database administration, circuit management, routing and validation.
运营，维护和管理部分(omap)层提供与数据库管理、电路管理、路由和验证相关的过程。
Including USES of the network protocol, routing, medium access layer, the process of establishing network and other parts of the technical details in the development situation.
包括网络中使用的协议、路由、介质访问层、射频模块以及网络设计所用到的协议标准等方面的细节，从技术层面做了论述。
Including USES of the network protocol, routing, medium access layer, the process of establishing network and other parts of the technical details in the development situation.
包括网络中使用的协议、路由、介质访问层、射频模块以及网络设计所用到的协议标准等方面的细节，从技术层面做了论述。
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