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VoIP(Voice over Internet Protocol) ±â¼úÀº IP¸Á¿¡¼ À½¼ºµ¥ÀÌŸ(¾Æ³¯·Î±× ½ÅÈ£)¸¦ ÆÐŶÀ¸·Î º¯È¯½ÃÄÑ µðÁöÅÐ µ¥ÀÌÅÍ·Î Àü¼ÛÇÏ´Â °ÍÀÌ´Ù. ±âÁ¸ Àüȼ± °°Àº °æ¿ì ȸ¼±À» Çѹø Á¡À¯ÇÏ¸é ´Ù¸¥ µ¥ÀÌŸÀÇ ÁøÀÔÀÌ ºÒ°¡´ÉÇÏ°í ȸ¼±ÀÇ °¡¿ë¼ºÀÌ ¶³¾îÁö¸ç ºñ¿ë ¶ÇÇÑ ¸¹ÀÌ µç´Ù. ±×·¯³ª VoIP¸¦ ÀÌ¿ëÇÏ¸é µ¥ÀÌŸÀÇ À̵¿ÀÌ °øÀ¯°¡ µÇ°í Àú·ÅÇϸç È®À强ÀÌ ¶Ù¾î³ª´Ù´Â ÀåÁ¡À» °¡Áö°í ÀÖ´Ù. ±×¸®°í ´ÙÀÚ°£ ÅëÈ°¡ °¡´ÉÇÏ¿© conferencing system¿¡ »ç¿ëÇÒ ¼ö ÀÖ´Ù. ±âÁ¸ÀÇ ¿©·¯°¡Áö Á¦Ç°µéÀº ÁÖ·Î H.323 ÇÁ·ÎÅäÄÝÀ» »ç¿ëÇؼ VoIP¸¦ ±¸ÇöÇß°í, ¿äÁîÀ½ °¢±¤¹Þ°í ÀÖ´Â Skype´Â µ¶ÀÚÀûÀÎ ÇÁ·ÎÅäÄÝÀ» °³¹ßÇؼ ȹ±âÀûÀÎ ¼ºñ½º¸¦ ÇÏ°í ÀÖ´Ù. À̹ø ÇÁ·ÎÁ§Æ®¿¡¼´Â ÇöÀç Â÷¼¼´ë VoIP ±â¼úÀ» ±¸ÇöÇϱâ À§ÇÑ IETF ÀÇ Ç¥ÁØ ÇÁ·ÎÅäÄÝÀÎ SIP¸¦ ÀÌ¿ëÇؼ Internet Telephony¸¦ ±¸ÇöÇÏ°í ´ÙÀÚ°£ Åëȸ¦ Áö¿øÇϱâ À§ÇØ Peer-to-Peer ±â¼úÀ» µµÀÔÇؼ Á¦ÇÑµÈ Network bandwidth³»¿¡¼ ÃÖ´ëÇÑ ¸¹Àº »ç¶÷ÀÌ µ¿½Ã ´ëȸ¦ ÇÒ ¼ö ÀÖ´Â ½Ã½ºÅÛÀ» ±¸ÇöÇÑ´Ù.
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2005.3.16 -2005.12.10 (9 °³¿ù)
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- SIP Protocol À» ÀÌ¿ëÇÑ 1:1 ´ëÈ ½Ã½ºÅÛ
- Peer-to-Peer ¾Ë°í¸®ÁòÀ» Àû¿ëÇÑ ´ÙÀÚ°£ ´ëÈ ½Ã½ºÅÛ
- À½¼ºµ¥ÀÌŸ¿Í ¿µ»ó µ¥ÀÌŸ¸¦ ½Ç½Ã°£À¸·Î ÁÖ°í ¹ÞÀ» ¼ö ÀÖ´Â ½Ã½ºÅÛ
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2005/4/30 |
VoIP ±â¼ú ºÐ¼®, SIP, RTP ºÐ¼®
Project Proposal ÀÛ¼º ¹× Àüü ½Ã½ºÅÛ ¿ä±¸»çÇ× ºÐ¼® |
2005/6/10 |
SIP¸¦ ÀÌ¿ëÇÑ 1:1 ´ëÈ ½Ã½ºÅÛ±¸Çö
Àüü ½Ã½ºÅÛ ¿ä±¸»çÇ× ºÐ¼® ¹× High Level Design
|
2005/7/20 |
Detailed Design |
2005/9/30 |
Implementation |
2005/11/20 |
Integration and Test |
2005/11/30 |
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documents
- Request For Project
- Project Proposal
- Requirement Analysis
- High Level Design
- Detailed Design
- Implementation
- Integration and Test
- Final Report and Demo
Âü¿© ¿¬±¸¿ø
Meeting Schedule & Report
Á¤±â ¹ÌÆà ½Ã°£ : Fri, 10:00 - 12:00 (AM)
BBS
References Papers & Documents
-
- Papers
- Kundan Singh and Henning Schulzrinne, "Peer-to-Peer Internet Telephony using SIP"
- David A. Bryan and Bruce B. Lowekamp, "SOSIMPLE: A SIP/SIMPLE Based P2P VoIP and IM System"
- Salman A.Baset and Henning Schulzrinne, "An Analysis of the Skype Peer-to-Peer Internet Telephony Protocol", Department of Computer Science, Columbia University, New York NY 10027, September 15, 2004
- Dennis Bergstrom, "An analysis of Skype VoIP application for use in a corporate environment", CISSP, October 2004
- Xiaotao Wu and Henning Schulzrinne, "Feature Interactions in Internet Telephony End Systems", Department of Computer Science, Columbia University, January 24, 2004
- Henning Schulzrinne, Sankaran Narayanan, Jonathan Lennox and Michael Doyle, "SIPStone - Benchmarking SIP Server Performance", Columbia University, Ubiquity, March 10, 2002
- Kundan Singh and Henning Schulzrinne, "Failover and Load Sharing in SIP Telephony", Department of Computer Science, Columbia University
- Kundan Singh and Henning Schulzrinne, "Unified Messaging using SIP and RTSP", Deptment of Computer Science, Columbia University, NY, USA, October 11, 2000
- Xiaotang Zhang and Henning Schulzrinne, "Voice over TCP and UDP", Department of Computer Science, Columbia University, September 28, 2004
- Xiaota Wu, Henning Schulzrinne, "Service Learning in Internet Telephony", Department of Computer Science, Columbia University
- Joao Paulo Sousa, "An Iptel Architecture Based on the SIP Protocol", Instituto Politecnico de Braganoa
- Feng Liu, Wu Chou, Li Li and Jenny Li, "WSIP - Web Service SIP Endpoint for Converged Multimedia/Multimodal Communication over IP", Avaya Labs Research, 233 Mt. Airy Road, Basking Ridge, NJ 07920, USA
- Kundan Singh, Gautam Nair, and Henning Schulzrinne, "Centralized Conferencing using SIP", in Internet Telephony Workshop, New York, April 2001
- Stefan Berger, Henning Schulzrinne, Stylianos Sidiroglou, and Xiaotao Wu, "Ubiquitous Computing Using SIP", in ACM NOSSDAV 2003, Monterey, California, USC, June 2003
- Gonzalo Camarillo, Henning Schulzrinne, and Raimo Kantola, "Signalling Transport Protocols", Dept. of Computer Science, Columbia University, New York, Technical report, February 2002
- Petri Koskelainen, Henning Schulzrinne, and Xiaotao Wu, "A SIP-based Conference Control Framework", in Proc, International Workshop on Network and Operating System Support for Digital Audio and Video(NOSSDAV), Miami Beach, Florida, May 2002
- Jonathan Lennox and Henning Schulzrinne, "Feature Interaction in Internet Telephony", in Feature Interaction in Telecommunications and Software Systems VI, Glasgow, United Kingdom, May 2000
- Jonathan Lennox and Henning Schulzrinne, "A Protocol for Reliable Decentralized Conferencing", in ACM NOSSDAV 2003, Monterey, California, USC, June 2003
- Henning Schulzrinne and Knarig Arabshian, "Providing Emergency Services in Internet Telephony", IEEE Internet Computing, vol. 6, pp. 39-47, May 2002
- Henning Schulzrinne and J. Rosenberg, "Internet Telephony: Architecture and Protocols -- an IETF perspective," Computer Networks and ISDN Systems, vol. 31, no. 3, pp. 237-255, February 1999
- Documents
- SIP Tutorial : SIP¿¡ °üÇÑ ´Ù¾çÇÑ Protocol ¼³¸í°ú °ü·Ã ³»¿ë
- SIP Products : SIP¸¦ ÀÌ¿ëÇÑ Product¸¦ ¸¸µç °÷¿¡ ´ëÇÑ Á¤º¸
- Skype Conferencing Test : Skype¿¡¼ conferencing À» »ç¿ëÇغ¸°í ¾´ ¹®¼
- VoIP and Skype Security : General VoIP¿¡ ´ëÇÑ ¼Ò°³¿Í Skype¿Í ´Ù¸¥ application¿¡ ´ëÇÑ ºñ±³ (by Simson L. Garfinkel)
- Multimedia Over IP : RTP, RTCP, SIP, RSTP¿¡ ´ëÇÑ ¼³¸íÇÑ ÆÄ¿öÆ÷ÀÎÆ® ¹®¼
- Realtime Audio and Video : Realtime Audio¿Í Video¸¦ ´Ù·ç´Â ±â¼ú¿¡ ´ëÇÑ ¹®¼
- SIP Cartoon : SIP ¼ºñ½º¿¡ ´ëÇÑ °£·«ÇÑ ¸¸È
Links
- SIP
- Session Initiation Protocol(SIP) Charter ( www.ietf.org/html.charters/sip-charter.html )
- SER(SIP Express Router) ( www.iptel.org )
- Asterisk ( www.asterisk.org )
- VOCAL ( www.vovida.org )
- SIP Wiki ( www.toyz.org/cgi-bin/sipwiki.cgi )
- SIP Forum ( www.sipforum.org )
- MPEG4IP - Open Streaming Video and Audio ( www.mpeg4ip.net )
- SIP.edu : Voice Over IP Working Group ( voip.internet2.edu/SIP.edu )
- Open Directory : SIP products ( dmoz.org/Computers/Internet/Protocols/SIP/ )
-
- VoIP
- voip-info.org ( www.voip-info.org )
- VoIP Howto ( www.tldp.org/HOWTO/VoIP-HOWTO.html )
- VoIP forum( www.voip-forum.or.kr )
-
- Telephony(VoIP Software)
- Skype
- Brekeke - VoIP software ( www.brekeke.com )
- SIPRequest ( www.siprequest.com )
- RTP, RTSP, RTCP
- About RTP and the Audio-Video Transport Working Group ( www.cs.columbia.edu/~hgs/rtp )
- RTP, Real-time Transport Protocol (
www.networksorcery.com/enp/protocol/rtp.htm )
- rtsp.org : Real Time Streaming Protocol(RTSP) ( www.rtsp.org )
- Henning Schulzrinne (
www.cs.columbia.edu/~hgs/ )
- Network Protocol Guide, Network Monitoring & Analysis Tools ( www.javvin.com )
RFC
- Internet RFC/FYI/STD/BCP Archives ( www.faqs.org/rfcs/ )
- Network Sorcery ( www.networksorcery.com )
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-
- Private
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2000³â Multimedia conferencing system °úÁ¦
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Distributed Processing and Network Management Laboratory
-
Skype traffic analysis page
- Columbia IRT Lab
This homepage is maintained by Eric Kang. Last updated:
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