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1. 发明授权

US06640241B1 Method and apparatus for activity-based collaboration by a computer system equipped with a communications manager 有权
标题翻译：用于配备有通信管理器的计算机系统基于活动协作的方法和设备
公开(公告)号：US06640241B1
公开(公告)日：2003-10-28
申请号：US09357007
申请日：1999-07-19
申请人： Raymond E. Ozzie , Kenneth G. Moore , Robert H. Myhill , Brian M. Lambert
发明人： Raymond E. Ozzie , Kenneth G. Moore , Robert H. Myhill , Brian M. Lambert
IPC分类号： G06F1516
CPC分类号： H04L12/1813 , H04L29/06 , H04L67/14 , H04L67/2842 , H04L67/38 , H04L69/329
摘要： A communications manager provides communication services for an activity-based collaboration system, in which data change requests comprising deltas are communicated over a network between network-capable devices. The communications manager is operable on a local network capable device for sending locally-generated deltas over the network to at least one remote network-capable device and for receiving remotely-generated deltas over the network from the at least one remote network-capable device. The communications manager can send the deltas via unicasting, multicasting, or broadcasting techniques. The communications manager is responsive to network connection status information indicating that the remote network-capable device is connected to the network for sending the local deltas directly to an address for the remote network-capable device. A presence mechanism maintains and distributes, on request, the network connection status information, which it acquires from each of the network-capable devices. The communications manager is also responsive to the network connection status information indicating that the remote network-capable device is disconnected from the network for sending the local deltas to an address of a relay. The relay stores deltas until the relay is notified that the remote network-capable device has reconnected to the network, and then the relay sends the deltas to the reconnected remote network-capable device.
摘要翻译：通信管理器为基于活动的协作系统提供通信服务，其中包括三角波的数据改变请求在网络能力设备之间通过网络传送。通信管理器可在具有本地网络功能的设备上操作，用于通过网络将本地生成的三角洲发送到至少一个具有远程网络功能的设备，并且用于通过所述网络从所述至少一个具有远程网络功能的设备接收远程产生的增量。通信管理器可以通过单播，多播或广播技术发送三角形。通信管理器响应于指示远程网络能力设备连接到网络的网络连接状态信息，用于将本地增量直接发送到用于具有远程网络能力的设备的地址。存在机制根据请求维护和分发从每个具有网络能力的设备获取的网络连接状态信息。通信管理器还响应于指示远程网络能力设备与网络断开以发送本地增量到中继站的地址的网络连接状态信息。继电器存储三角形，直到中继通知有远程网络设备已重新连接到网络，然后中继器将三角波发送到重新连接的具有远程网络功能的设备。

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