| 摘要 |
A scalable messaging system for data transmission between the network devices (10) such set top boxes (10), and a central system server (200), such as server which maintains a database (210) of event logs for the network. Individual routers (250-n) at the data center broadcast announcement packet indicating that they are available to accept messages from the network devices. The announcement message contains at least an identification of the router and the manner in which messages may be sent to it, e.g., one ore more connection socket numbers and/or network addresses. The frequency at which availability messages are sent by the routers is preferably dependent upon the relatively loading of the individual router. Thus, the more heavily loaded a particular router becomes, the less often it will broadcast an availability message; the more lightly loaded it becomes, the more often such messages are broadcast.
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