注意，一些多播地址可能是保留的。
客户端可通过如下方式加入多播组。
The client can join the multicast group in the following way.
NIC地址，在其中多播数据将被接收。
The address of the NIC on which the multicast data will be received.
异步数据报通道与多播。
清单10演示主机如何使用多播数据报接收和发送消息。
Listing 10 shows how a host USES multicast datagrams to receive and send messages.
那么，现在有两种获取视频的主流方式——单播和多播。
So, there are two broad approaches to get video to you-unicasting and multicasting.
现在，打开数据报通道并设置多播选项，如清单4所示。
Now, we open the datagram channel and set up the options for multicasting, as shown in Listing 4.
作为一种一对一协议，SSL不能很好地支持多播应用程序。
Being a one-to-one protocol, SSL does not support multicast applications very well.
多播是将同一信息从源节点传送到网络中多个目的节点。
Data packet is transmitted from source node to multiple destination nodes in multicast communication.
本文结果为进一步完善多播协议的性能提供了理论支持。
The results in the paper provide theoretic support for improving multicast protocols performance.
参考MulticastAddresses获取多播组地址分配。
Refer to multicast Addresses for multicast group address assignment.
dataPort：用于结合多播组地址的目标端口，默认是34343。
DataPort: the destination port that is used in combination with the multicast group address; this defaults to 34343.
已经预订某一多播组的对等计算机会收到任何成员发送给这个组的所有消息。
Peer computers that have subscribed to a multicast group receive all messages that any of the component peers sends to the group.
对等点组和基于订阅的多播应用程序将成将来智能无线应用程序的主要模型。
Peer groups and subscription-based multicast applications will be a major model for the smart wireless applications of the future.
在讨论广播和多播之前，先看看简单的基于UDP的服务器框架(清单6)。
Before delving into the topics of broadcast and multicast, however, look at a simple UDP-based server framework (see Listing 6).
这阻止您将Corosync 用作您的通信层，因为它需要多播或广播。
This prevents you from using Corosync as your communication layer; it requires multicast or broadcast.
在多播中，信息包能被送到网络组里的各个地址，而不是单个的地址。
In multicasting, packets can be sent to groups of Network addresses, instead of individual addresses.
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。
Multiple clients can also be created on the same port and joined to the multicast group to receive the datagrams sent from the server.
IP多播技术提供一个发送者向一组接收者传送相同数据的传输方式。
The IP multicasting technology provides an effective transmission mode in which the same data is transmitted from one sender to a group of receivers.
该文探讨了包交换计算机网络中，具有端到端时延限制的多播路由问题。
This paper studies the problem of multicast routing with end-to-end delay constraint in packet-switched computer networks.
而另一方面，多播基本上是一种广播——它持续不断地发布给任意数量的用户。
Multicast, on the other hand, is basically broadcasting—it's being pumped out there continuously for any number of people to pick up.
性能更好的差错控制协议将进一步提高多播的效率，满足日益复杂的网络应用。
The error control schemes with better performance will further improve multicast efficiency and meet the demands of complicated network applications.
RMM在一个标准网络架构的顶部实现不同级别的可靠性，这包括UDP和IP多播协议。
RMM implements different levels of reliability on top of a standard unreliable networking infrastructure. This includes the UDP and IP multicasting protocols.
multicastInterface：NIC的地址(网络接口卡)，在其中多播数据将被接收。
MulticastInterface: the address of the NIC (network interface card) on which the multicast data will be received.
多播技术可以让电视台同时为多个频道进行数字广播，占用的的频道资源仅相当于模拟信号的一个频道。
Multicasting allows broadcast stations to offer several channels of digital programming at the same time, using the same amount of spectrum required for one analog program.
顾名思义，这个协议是在ip多播之上构建的；在ip多播中，一个发送器可以发送一条消息并使多个接收器接收到该消息。
As the name implies, it is built on top of IP multicast, in which one transmitter can send one message and have it be received by more than one receiver.
而是向前看，我们关注与AmazonEC2设施的集成，比如用于基于消息的服务连接的SQS以及非基于多播的集群。
Moving forward, we are looking at integration with Amazon EC2 facilities such as SQS for message-based service wiring as well as non-multicast-based clustering.
结果表明该自适应机制能支持高质量的、自适应的层次视频多播服务，而且具有很高的可伸缩性和极小的实现复杂度。
Results suggest the adaptive mechanism is capable of providing a high quality and adaptive layered video multicast service with very high scalability and very small complexity.
集群技术通常利用快速通信协议，比如用户数据报协议(user Datagram Protocol,UDP)或多播协议。
Clustering technologies often make use of a fast communication protocol, such as User Datagram protocol (UDP) or Multicast protocols.
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