QoS-based synchronous/asynchronous data transmission model in group communication
QoS-based synchronous/asynchronous data transmission model in group communication
复制标题
群组通信中基于QoS的同/异步数据传输模型
DOI：
10.1109/aina.2004.1283884
复制
发表时间：
2004
期刊：
影响因子：
--
通讯作者：
M. Takizawa
中科院分区：
文献类型：
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作者：
Satoshi Itaya;Takuya Tojo;T. Enokido;Rozeta Miho;M. Takizawa
像互联网这样的大规模网络是由各种类型的通信渠道组成的。这里，每个通信信道支持可能与其他信道不同的服务质量(QoS)。在组通信中，每个进程向多个进程发送消息，同时从多个进程接收消息。此外，消息需要按因果关系传递。为了实现消息的原子有序传递，即使一个具有足够QoS通道的进程接收到消息，该进程也必须等待另一个具有较低QoS通道的进程接收到消息才能传递消息。因此，如果组中包括较慢的进程，则多媒体数据不能被传送到进程以满足实时约束。在本文中，我们讨论组通信协议，通过该协议可以将多媒体消息传递到具有相同时间约束属性的进程，从而满足多媒体消息的 QoS 要求。
A large-scale network like the Internet is composed of various types of communication channels. Here, each communication channel supports quality of service (QoS) which may be different from others. In group communication, each process sends a message to multiple processes while receiving messages from multiple processes. In addition, messages are required to be causally delivered. In order to realize the atomic and ordered delivery of messages, even if a process with enough QoS channel receives messages, the process has to wait to deliver the messages until another process with lower QoS channel receives the messages. Thus, multimedia data cannot be delivered to processes so as to satisfy the real-time constraint if a slower process is included in a group. In this paper, we discuss group communication protocols by which multimedia messages can be delivered to a process with same time constraint properties which satisfy QoS requirements of multimedia messages.