在以內容為基礎的發佈/訂閱系統上，subscriptions與events的管理是相當重要的課題。

一個好的管理機制不能只是降低matching cost來加速event傳送到有興趣的訂閱者，還要能夠有好的負載平衡來儲存subscriptions。在這裡我們建立類似的系統在點對點分散式網路系統並且提出一個複合式資料導向機制來管理subscriptions。

我們分析並且針對此機制模擬出效能評估，這份效能評估的結果很顯著地顯示在於整個系統events matching的計算量總和是比起Ferry而言是小得多。

The management of subscriptions and events is important tasks in the content-based publish/subscribe system. A good management mechanism can not only produce lower matching costs to speed up the delivery of matched events to the interested subscribers but can also induce good load balancing for subscription storage. In this paper, we consider the construction of this kind of system over a peer-to-peer overlay network and propose one hybrid data driven scheme for subscriptions management.
We both analyze and simulate the performance of the proposed schemes.
The simulation results show that less sum of event subscription matching operations (match-op) outstanding than Ferry.

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