The ICMP messages typically report errors in the processing of datagrams.
IC MP信息通常报告在处理数据报过程中的错误。
Listing 10 shows how a host USES multicast datagrams to receive and send messages.
清单10演示主机如何使用多播数据报接收和发送消息。
Also, datagrams may be lost in transit; however, UDP makes a best effort at delivery.
另外，数据报可能在传输过程中丢失；但是，UD p会尽可能传输数据。
Specify the network interface for outgoing multicast datagrams sent on this socket.
指定向此套接字上发送多播数据报的网络接口。
The basic service permits a source to send datagrams to all members of a multicast group.
基本的服务是让源发送数据包给多点发送组的所有成员。
It means that for attackers there exists a way of constructing network datagrams that contain wrong data.
它指的是攻击者有办法构造包含错误数据的网络数据报。
You also need an ACE_INET_Addr object for the client (unlike for TCP) specifying the port that will send and receive the datagrams.
与TCP的情况不同，对于客户机还需要一个ACE_INET_Addr对象，它指定将发送和接收数据报的端口。
RSVP messages are sent as IP datagrams, and the router keeps "soft state", which is refreshed by periodic reservation messages.
RSVP消息以IP数据报文的形式发送，路由器保留“软状态”，由周期性保留消息进行刷新。
Multiple clients can also be created on the same port and joined to the multicast group to receive the datagrams sent from the server.
可在同一端口上创建多个客户端，它们可加入多播组来接收来自服务器的数据报。
Using the key you can drop the membership, block and unblock datagrams from certain addresses, and return information about the group and channel.
利用该键，您可丢弃组成员、阻塞或者取消阻塞来自特定地址的数据报、以及返回有关组和通道的消息。
Gets the number of User datagram Protocol (UDP) datagrams that were received and discarded because of errors other than bad port information.
获取侦听用户数据报协议(udp)数据报的本地终结点的数量。
This paper introduces the standard and requirement for the transmission of IP datagrams over Ethernet, X. 25, Point-to-Point Links in a router.
本文简要介绍了路由器中IP数据包在以太网、X25分组交换网、串行链路上用相应的协议帧格式对IP数据包进行封装的标准和要求。
In addition to these mandated protocols, a device manufacturer can choose to support additional communication protocols such as datagrams or sockets.
除了这些强制性的协议，设备制造商可能会选择支持更多的通信协议，如数据包或者套接字。
Before a host computer can send IP datagrams beyond its directly attached subnet, it must discover the address of at least one router on that subnet.
在主机可以向其直接连接的子网外发送IP数据报之前，主机必须至少在该子网上发现一个路由器的地址。
If this is the case the circuit manager may wish to filter out datagrams for the appropriate network layer if only one of the applications is affected.
在这种情况时，链路管理器可能为特定的网络层过滤数据包，而只使一个程序受影响。
UDP Datagrams can be lost or delivered in a different order to the receiving application; the error handling must be done at the application layer as well.
UDP数据包可能会丢失，或者不按顺序发送给接收的应用程序；必须在应用程序层进行错误处理。
The addresses, encapsulated as source and destination in the IP datagrams header, are used to transmit the datagram to their destination, called routing. Basically, this creates two scenarios
地址（在IP数据报头中封装为源和目的地地址）用来将数据报传输到其目的地，这个过程称为路由。
The addresses, encapsulated as source and destination in the IP datagrams header, are used to transmit the datagram to their destination, called routing. Basically, this creates two scenarios
地址（在IP数据报头中封装为源和目的地地址）用来将数据报传输到其目的地，这个过程称为路由。
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