近年來，5G行動網路的進步帶動著網路頻寬的提升，使得行動終端使用者觀看串流服務也逐漸增加，如Twitch、Netflix。然而在熱門的直播頻道容易造成過載的request以及頻寬的不足。因此本文提供p2p multicast串流模組，利用分散式轉送來減低頻寬的負載，並利用SIP的轉移機制，來建構串流群播樹的負載平衡。

Recently, the advancement of 5G mobile networks has led to an increase in network bandwidth, which has led to an increase in mobile terminal users watching streaming services, such as Twitch and Netflix. However, in popular live channels, it is easy to cause overloaded requests and insufficient bandwidth. Therefore, this paper provides a p2p multicast stream module, which uses decentralized transfer to reduce the low-bandwidth load, and uses the SIP transfer method to construct the load balancing of the streaming multicast tree.

第一章　緒論　　9
1.1　串流協定　　9
1.2　串流群播樹　　11
1.3　SIP會議轉移　　13
1.4　論文貢獻　　13
第二章　文獻回顧　　14
2.1　會談啟動協定(Session Initial Protocol)　14
2.1.1　SIP架構　14
2.1.2　會議轉移　15
2.2　會話描述協議（Session Description Protocol，SDP）　16
2.3　Real Time Protocol　18
2.4　Multicast Streaming　19

第三章　SIP 之點對點群播串流架構　　20
第一章.緒論 9
1.1串流協定 9
1.2串流群播樹 11
1.3 SIP會議轉移 13
1.4論文貢獻 13
第二章.文獻回顧 14
2.1 會談啟動協定(Session Initial Protocol) 14
2.1.1 SIP架構 14
2.1.2會議轉移 15
2.2會話描述協議（Session Description Protocol，SDP） 16
2.3 Real Time Protocol 18
2.4 Multicast Streaming 19
第三章 SIP 之點對點群播串流架構 20
3.1　系統環境 20
3.2　方法設計 21
3.2.1　SDP增強群播維護:　　21
3.2.2　節點加入　　21
3.2.3　節點離開　　22
3.3　會議轉移　　22
3.3.1　群播節點加入　　22
3.3.2　群播節點離開　　23
3.3.3　群播分支轉移　　25
第四章　系統實作　　26
4.1　程式架構　　26
4.2　應用層　　26
4.3　控制層　　27
4.4　資料層　　29
第五章　實作分析　　30
5.1　機器設備　　30
5.2　REFER轉移前後效能比　　31
第六章　總節與未來　　33
文獻參考　　26

[1] Cisco Visual Networking Index: Forecast and Trends,2017 U˝ 2022 White Paper, USA, 2016. [Online]. https://www.cisco.com/c/en/ us/solutions/collateral/service-provider/visual-networking-index-vni/white-paper-c11-741490.pdf
[2] J. Rosenberg, H. Schulzrinne, G. Camarillo, “SIP: Session Initiation Protocol rfc3261”, June 2002
[3] H. Schulzrinne, NY, USA“Application-Layer Mobility Using SIP”,Dept. of Comput. Sci., Columbia Univ,Dec 2000
[4] M. Handley, V. Jacobson, C. Perkins,”SDP: Session Description Protocol”, July 2006
[5] H. Schulzrinne, A. Rao, M. “Westerlund, Real-Time Streaming Protocol Version 2.0”, December 2016
[6] H. Parmar, Ed, M. Thornburgh, Ed, “‘Adobe’s Real Time Messaging Protocol”,adobe, December 21, 2012
[7] R. Pantos, Ed., W. May.,”HTTP Live Streaming”,August 2017
[8] B. Cain, S. Deering, I. Kouvelas, B. Fenner, A. Thyagarajan,
“Internet Group Management Protocol, Version 3”, October 2002
[9] G. Hellstrom, Omnitor AB, P. Jones, “RTP Payload for Text Conversation”, June 2005
[10] R. Sparks, “The Session Initiation Protocol (SIP) Refer Method”, April 2003
[11] 陳旻秀, 王阜毓,”連線服務自由移轉、分流與整合機制設計”, August 2007
[12] Oh Chan Kwon a,1, Hwangjun Song b, “Adaptive tree-based P2P video streaming multicast system under high peer-churn rate”,2013
[13] Lucas Provensi , Abhishek Singh , Frank Eliassen, and Roman Vitenberg, “Maelstream: Self-Organizing Media Streaming
for Many-to-Many Interaction”, JUNE 2018
[14] Yun-Shuai Yu, “A SIP-based P2P Multicast Streaming”,Department of Electrical Engineering, National Cheng Kung University, Dec 2009
[15] M. Ramakrishna1, A. K. Karunakar2, “SIP and SDP based content adaptation during real-time video streaming in Future Internets”,2017