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研究生:吳承陽
研究生(外文):Cheng-Yang Wu
論文名稱:具計費與負載平衡之VoIP網路電話系統設計與實作
論文名稱(外文):Design and Implementation of VoIP System with Accounting Application and Load Balance
指導教授:林俊宏林俊宏引用關係
指導教授(外文):Chun-Hung Lin
學位類別:碩士
校院名稱:國立中山大學
系所名稱:資訊工程學系研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:59
中文關鍵詞:網路電話計費認證授權
外文關鍵詞:AccountingAuthorizationVoIPAuthentication
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隨著Voice-over-IP (VoIP)技術在網路上面發展達到成熟,其通話品質也滿足電話的通訊要求且可提供網路多媒體服務。而在VoIP中,Session Initiation Protocol(SIP)正是主要協定之一,更是新世代網路(NGN;Next Generation Network)所建議的語音,多媒體網路控制協定之首選。SIP還可以與傳統的PSTN做結合甚至取代,讓使用PSTN的用戶更容易使用及操作。
在本篇論文中,針對SIP環境實作一個網路計費系統,並由於使用者人數的增加,導致單一伺服器必定無法同時應付如此龐大的流量負擔,服務隨時都有可能中斷。利用OpenSIPS 伺服器搭配RADIUS(remote authentication dial-in user service)伺服器做到認證、授權、計費等機制,而且為了隨時隨地都能提供服務,透過DNS(Domain Name System) 與RADIUS的搭配來達到負載平衡和服務永不中斷的目標。
As the maturation of the VoIP technique, VoIP can not only satisfy the communicating requirement of telecommunication but also provide network multimedia services. In the VoIP technique, Session Initiation Protocol (SIP) is precisely one of main protocol that is proposed by Next Generation Network (NGN) to be the first choice of voice and multimedia network control protocol. SIP also may make the union with traditional PSTN even to substitute, and is easier to use and to operate for the PSTN user.
In our research, we make a network billing system in view of the SIP environment, and with the increasing of the VoIP population, using single server is unable to afford so much loading. It is possible that the large load makes the service stop anytime. Using RADIUS (remote authentication dial-in user service), an AAA (authentication, authorization, accounting) protocol, can be used for conveying accounting information between an SIP proxy server and an accounting server. To make the VoIP service work anytime, through the features of DNS (Domain Name System) and RADIUS to achieve the service that load balancing and VoIP can be provided anytime.
摘要 I
ABSTRACT II
目次 III
圖目錄 V
表目錄 VII
1. 序論 1
1.1. 研究動機與目的 1
1.2. 論文架構 1
2. SIP概論與介紹 2
2.1. 網路電話介紹 2
2.2. SIP介紹 3
2.3. SIP 元件 6
2.4. SIP訊息 9
2.4.1. SIP 請求訊息 9
2.4.2. SIP 回應訊息 11
2.5. SIP 運作流程 12
3. 系統架構 15
3.1. 系統功能 15
3.2. 硬體架構 15
3.3. 軟體架構 19
3.4. SIP UA 軟體運作流程 23
4. 研究與實做 25
4.1. 伺服器端 25
4.1.1. OpenSIPS介紹 25
4.1.2. opensips.cfg 26
4.1.3. RADIUS 介紹 28
4.1.4. 伺服器設定 31
4.1.5. 實際系統架構 35
4.2. 記費機制 37
4.3. 負載平衡 42
4.4. MYSQL同步 45
5. 結論 47
參考文獻 48
[1] M. Handley, H. Schulzrinne, E. Schooler and J.Rosenberg, “SIP: Session Initiation Protocol”, RFC-2543, March 1999.
[2] H. Schulzrinne, S. Casner, R. Frederick, and V. Jacobson, “RTP: A Transport Protocol for Real-Time Applications”, RFC-3550, July 2003.
[3] M. Handley, V. Jacobson, “SDP: Session Description Protocol”, RFC-2327, April 1998.
[4] J. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M.Handley and E. Schooler, “SIP: Session Initiation Protocol”, RFC 3261, June 2002.
[5] “ADM-5120 Data Sheet Rev. 1.1”, Infineon Technologies., March 2005.
[6] “ADM-5120 HOME GATEWAY CONTROLLER”, AMDtek Inc.,2003.
[7] “EASY 5120 2-Channel VoIP Router Reference Package Hardware Description”, Infineon Technologies.
[8] “EASY 5120P-ATA Fxo System Description”, Infineon Technologies, Jul. 2004.
[9] “Telephony Application Programming Interface for Infineon Voice Codec Devices”, Infineon Technologies.
[10]“VINETIC-2CPE System Description, v1.1”, Infineon Technologies. March 2006.

[11]“VINETIC-2CPE Device Driver and API Description, v2.1”, Infineon Technologies. Jan. 2006.
[12]The Open Source SIP Server , http://www.opensips.org/
[13] C. Rigney, S. Willens, A. Rubens and W. Simpson, “Remote Authentication Dial In User Service (RADIUS)”, RFC 2865, June 2000.
[14]C. Rigney, “RADIUS Accounting”, RFC 2866, June 2000.
[15]J. Franks, P. Hallam-Baker, J. Hostetler, S. Lawrence, P. Leach, A. Luotonen, L. Stewart, “HTTP Authentication: Basic and Digest Access Authentication”,RFC 2617, June 1999.
[16]T. Brisco, “DNS Support for Load Balancing”, RFC 1794, April 1995.
[17]MySQLReplication, http://dev.mysql.com/doc/refman/5.0/en/replicationhowto.html
[18]MySQL Replication, http://twpug.net/docs/mysql-5.1/replication.html
[19] The GNU oSIP library, http://www.gnu.org/software/osip/
[20] The eXtended osip library, http://savannah.nongnu.org/projects/exosip
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