隨著無線通訊網路技術的進步和多媒體服務的興起，行動電話網路已於短短的20年內迅速演進至第三代，下一世代的4G行動通信網路將整合各種現有以及新開發出來的無線網路，因此可以預期下一世代4G All-IP異質（heterogeneous）無線網路將是由數個重疊的（overlapping）IP-based之無線擷取網路所構成。在All-IP異質網路環境下，行動裝置將具有多個無線介面，行動用戶於異質無線網路間漫遊時可同時維持連線的連續性，確保數據傳輸不中斷將是一個重要且困難的議題。本論文將針對All-IP異質網路整合環境下跨網漫遊之交遞管理機制進行設計與實作。我們將設計一套系統以SCTP協定為提供All-IP異質網路交遞管理的機制。由於SCTP為新的協定，使用率不普及，為了與不支援SCTP的主機做連線，本系統增加一個SCTPGATE網路元件來負責SCTP與TCP的轉換。除此之外，由於直接使用SCTP所提供的API來開發本系統，必須把一些偵測以及交遞決策等行動管理的功能放入程式當中，因此程式開發者仍需花費大量的心力在處理行動管理功能。本系統提供了一個平台讓程式開發者不需要處理行動管理功能，也能輕易地使用SCTP開發出支援行動管理的程式。

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