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Decentralizing SIP

David A. Bryan, Bruce B. Lowekamp
2007 Queue  
In the past three years, interest in decentralized, peer-to-peer SIP (P2PSIP) has increased.  ...  SIP IS ALREADY (MOSTLY!) DECENTRALIZED Why all the interest in trying to make SIP P2P? Why not create a new protocol?  ...  He was co-founder and CTO of Jasomi Networks, a pioneer in the SIP Session Border Controller market, and he previously worked for Cisco Systems and Vovida Networks.  ... 
doi:10.1145/1229899.1229910 fatcat:ggx7zb4lifcclatvqlwucpvuey

A Decentral Architecture for SIP-based Multimedia Networks [chapter]

Holger Schmidt, Teodora Guenkova-Luy, Franz J. Hauck
Kommunikation in Verteilten Systemen (KiVS)  
Unlike other approaches, we do not modify SIP. Thus, standard SIP clients can be seamlessly integrated.  ...  The SIP location service of our architecture is based on JXTA for message routing. This allows SIP networks without central location services, and in extreme even without central SIP proxies.  ...  technologies with the SIP technology.  ... 
doi:10.1007/978-3-540-69962-0_6 dblp:conf/kivs/SchmidtGH07 fatcat:xw4sdqqrirb5dpzc4o2khbjybi

Framework for Decentralizing Legacy Applications

Jani Hautakorpi, Gonzalo Camarillo, David López
2009 2009 9th IEEE/ACM International Symposium on Cluster Computing and the Grid  
In this paper we present a generic framework for decentralizing legacy applications.  ...  However, there are still a number of legacy applications that utilize a centralized infrastructure as opposed to a decentralized approach.  ...  SIP INVITE 13. SIP 200 OK Fig. 2. Sequence diagram of a decentralized VoIP application .  ... 
doi:10.1109/ccgrid.2009.75 dblp:conf/ccgrid/HautakorpiCL09 fatcat:7au2qijgwjajnplr7cacd5h7se

SIPCache: A Distributed SIP Location Service for Mobile Ad-Hoc Networks

Simone Leggio, Hugo Miranda, Kimmo Raatikainen, Luis Rodrigues
2006 2006 3rd Annual International Conference on Mobile and Ubiquitous Systems - Workshops  
A solution for this problem is presented in this paper, which describes and evaluates a fully decentralized mechanism for locating SIP users in ad-hoc networks.  ...  SIP server is missing.  ...  This decentralizes the SIP location service given that PCache provides fully decentralized means for querying and retrieving the bindings.  ... 
doi:10.1109/mobiqw.2006.361724 fatcat:qb7c6uglvbenlk62qd5sgydzb4

A P2PSIP Demonstrator Powered by OverSim

Ingmar Baumgart, Bernhard Heep, Stephan Krause
2007 Seventh IEEE International Conference on Peer-to-Peer Computing (P2P 2007)  
Due to the decentralized nature of the network, SIP identifiers can't get assigned by a trusted central authority.  ...  Decentralized VoIP networks can e.g. be used as failover for traditional server-based SIP networks in emergency cases.  ... 
doi:10.1109/p2p.2007.24 fatcat:dm2yifvhcnbwxe6p5tcpmqjb4e

SIPCache: A Distributed SIP Location Service for Mobile Ad-Hoc Networks

Simone Leggio, Hugo Miranda, Kimmo Raatikainen, Luis Rodrigues
2006 2006 Third Annual International Conference on Mobile and Ubiquitous Systems: Networking & Services  
A solution for this problem is presented in this paper, which describes and evaluates a fully decentralized mechanism for locating SIP users in ad-hoc networks.  ...  SIP server is missing.  ...  This decentralizes the SIP location service given that PCache provides fully decentralized means for querying and retrieving the bindings.  ... 
doi:10.1109/mobiq.2006.340392 dblp:conf/mobiquitous/LeggioMRR06 fatcat:zcxandeuxvbkxp4e2lt7obm2nq

A framework for seamless service interworking in ad-hoc networks

Linda Källström, Simone Leggio, Jukka Manner, Tommi Mikkonen, Kimmo Raatikainen, Jussi Saarinen, Sanna Suoranta, Antti Ylä-Jääski
2006 Computer Communications  
This approach enables decentralized SIP sessions. We refer to this solution as decentralized SIP or dSIP.  ...  Decentralized SIP The solution we envisaged for making SIP decentralized is to add to each end node limited SIP proxy and registrar server capabilities.  ... 
doi:10.1016/j.comcom.2006.05.003 fatcat:bud5lfarlfesbbhec3yarenvfi

Deployment of SIP in MANET: challenges and circumvention

Salma R. Abdelhamid, Hossam-Eldeen M. Shamardan, Atef Z. Ghalwash, N. Mastorakis, V. Mladenov, A. Bulucea
2017 MATEC Web of Conferences  
Among which, the Session Initiation Protocol (SIP) is a signaling protocol that allows the establishment of multimedia sessions and calls between different parties.  ...  This paper highlights the the challenges arising when deploying SIP in MANETs and presents an overview of different proposed approaches to overcome these challenges.  ...  Decentralizing was fulfilled by embedding a limited set of SIP server functionalities into SIP user agents.  ... 
doi:10.1051/matecconf/201712504026 fatcat:ex6xkbh7ufboda7bkn3jnlphsy

Multiplayer networked gaming with the session initiation protocol

Aameek Singh, Arup Acharya
2005 Computer Networks  
We extend our earlier work by providing a dynamic form of shared context, using a modified SIP session negotiation mechanism.  ...  In addition, through the use of SIP as the game communication protocol, we propose to make VoIP a first class member of the game state.  ...  Acknowledgment We thank Priya Mahadevan and Zon-Yin Shae for their help in the design and implementation of SIP-based VoIP conferencing services at IBM.  ... 
doi:10.1016/j.comnet.2005.04.005 fatcat:cwumtxriqzandihrdao326xjz4

Using session initiation protocol to build context-aware VoIP support for multiplayer networked games

Aameek Singh, Arup Acharya
2004 Proceedings of ACM SIGCOMM 2004 workshops on NetGames '04 Network and system support for games - SIGCOMM 2004 Workshops  
We use the Session Initiation Protocol (SIP) [14] to realize VoIP and describe mechanisms for building network gaming services using SIP.  ...  Figure 1 : 1 SIP based VoIP Architecture Figure 3 : 3 Centralized Gaming Architecture Figure 4 : 4 Decentralized Gaming Architecture Figure 5 : 5 SIP Workfow for a Conference Join Figure 6 : 6  ...  Decentralized Gaming As mentioned earlier, centralized gaming has scalability and reliability issues. There have been many decentralized gaming architectures proposed [2, 6, 9] .  ... 
doi:10.1145/1016540.1016546 dblp:conf/netgames/SinghA04 fatcat:hcriu36jbngxph4s3ec5vhbazi

Distributed interaction between computer virus and patch: A modeling study [article]

Lu-Xing Yang, Pengdeng Li, Xiaofan Yang, Yuan Yan Tang
2017 arXiv   pre-print
For the purpose of accurately evaluating the performance of the decentralized patch distribution mechanism and based on the exact SIPS model that accurately captures the average dynamics of the interaction  ...  The decentralized patch distribution mechanism holds significant promise as an alternative to its centralized counterpart.  ...  Concluding remarks To accurately evaluate the performance of the decentralized patch distribution mechanism, a new virus-patch interacting model, which is known as the generic SIPS model, has been proposed  ... 
arXiv:1705.04818v1 fatcat:rs3zmqgtsfhfnfbeov3gcnj7li

A Novel Service Mobility Architecture for SIP Environments

Thierno Bah, Samuel Pierre, Roch Glitho
2007 Journal of Computer Science  
A decentralized approach purely based on mobile agents is compared with a centralized approach.  ...  The proposed architecture leverages on mobile agent technology to transport and move services to the end user's registered terminals and the Session Initiation Protocol (SIP) for user location signaling  ...  A SIP interface for user location tracking and an MSA manager are also added to the SMU. The mobility can be achieved by using the « REGISTER » message of the SIP signaling protocol [11] .  ... 
doi:10.3844/jcssp.2007.666.672 fatcat:afwk5te4onfcdjgugkoca34afe

Dynamic exposure control in P2PSIP networks

O. Dabbebi, R. Badonnel, O. Festor
2012 2012 IEEE Network Operations and Management Symposium  
We have voluntary focused in this work on protections that respect the decentralization constraint.  ...  Our objective is to enable both security and performance for an open and fully decentralized P2PSIP service.  ... 
doi:10.1109/noms.2012.6211907 dblp:conf/noms/DabbebiBF12 fatcat:mcsbooct2fapjbts7ib5hkz6ji

Urban sprawl and social interaction potential: an empirical analysis of large metropolitan regions in the United States

Steven Farber, Xiao Li
2013 Journal of Transport Geography  
Interestingly, the negative effect of decentralization on SIP Efficiency is found to be nearly ten times stronger than that of fragmentation and nearly twenty times stronger than the effect of mean commuting  ...  The findings indicate that social interaction potential is hampered by decentralization, fragmentation, and longer commutes in the largest metropolitan regions in the country.  ...  Table 5 : 5 Cluster Centers and Member Regions Cluster SIP SIP Efficiency Decentr- alization Big City Fragme- ntation Low Mixing Long Travel Members 1 7526 6.5% 1.43 0.11 0.26  ... 
doi:10.1016/j.jtrangeo.2013.03.002 fatcat:jg3iqaaonrf6lpnq2nt4ulm36i

Game-Theoretic Mode Scheduling for Dynamic TDD in 5G Systems [article]

Chandan Kumar Sheemar, Leonardo Badia, Stefano Tomasin
2021 arXiv   pre-print
We propose a low-complexity and decentralized solution, where power allocation and scheduling are decoupled.  ...  First, power is allocated in a decentralized fashion, and then modes are scheduled by a non-cooperative game to achieve the mixed-strategy Nash equilibrium.  ...  Decentralized solutions are available in [4] - [7] .  ... 
arXiv:2104.12367v1 fatcat:dn7xhyputncq3jeugq3ddveqsi
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