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Displaying 1-16 out of 16 total
Context-Based Applications in Converged Networks: Beyond SIMPLE Presence
Found in: IEEE Pervasive Computing
By Arup Acharya,Nilanjan Banerjee,Dipanjan Chakraborty,Shachi Sharma
Issue Date:April 2013
pp. 59-67
The authors present a large-scale presence virtualization and federation platform that federates across heterogeneous presence domains, letting applications exploit cross-domain contextual data. The platform also provides a programmable interface for custo...
SERvartuka: Dynamic Distribution of State to Improve SIP Server Scalability
Found in: Distributed Computing Systems, International Conference on
By Vijay A. Balasubramaniyan, Arup Acharya, Mustaque Ahamad, Mudhakar Srivatsa, Italo Dacosta, Charles P. Wright
Issue Date:June 2008
pp. 562-572
A growing class of applications, including VoIP, IM and Presence, are enabled by the Session Initiation Protocol (SIP). Requests in SIP typically traverse through multiple proxies. The availability of multiple proxies offers the flexibility to distribute p...
PARMA: A PHY/MAC Aware Routing Metric for Ad-Hoc Wireless Networks with Multi-Rate Radios
Found in: A World of Wireless, Mobile and Multimedia Networks, International Symposium on
By Suli Zhao, Zhibin Wu, Arup Acharya, Dipankar Raychaudhuri
Issue Date:June 2005
pp. 286-292
Ad-hoc wireless networks with multi-rate radios (such as 802.11a, b, g) require a new class of MAC/PHY aware metrics that take into account factors such as physical-layer link speed and MAC-layer channel congestion. Conventional
Unleashing the Power of Wearable Devices in a SIP Infrastructure
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Arup Acharya, Stefan Berger, Chandra Narayanaswami
Issue Date:March 2005
pp. 159-168
The Session Initiation Protocol (SIP) has been widely adopted for Instant Messaging (IM) and VoIP telephony both by the enterprise and in service provider systems. Till now, SIP functionality has been accessible to endusers primarily via computing platform...
SIP-Based Mobility Architecture for Next Generation Wireless Networks
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Nilanjan Banerjee, Sajal K. Das, Arup Acharya
Issue Date:March 2005
pp. 181-190
Application-level protocol abstraction is required to support seamless mobility in next generation heterogeneous wireless networks. Session Initiation Protocol (SIP) provides such an abstraction in providing mobility support in such networks. However, the ...
Design and Analysis of a Cooperative Medium Access Scheme for Wireless Mesh Networks
Found in: Broadband Networks, International Conference on
By Arup Acharya, Archan Misra, Sorav Bansal
Issue Date:October 2004
pp. 621-631
This paper presents the detailed design and performance analysis of MACA-P, a RTS/CTS based MAC protocol, that enables simultaneous transmissions in wireless mesh networks. The IEEE 802.11 DCF MAC prohibits any parallel transmission in the neighborhood of ...
MACA-P: A MAC for Concurrent Transmissions in Multi-Hop Wireless Networks
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Arup Acharya, Archan Misra, Sorav Bansal
Issue Date:March 2003
pp. 505
This paper presents the initial design and performance study of MACA-P, a RTS/CTS based MAC protocol that enables simultaneous transmissions in multi-hop ad-hoc wireless networks. Providing such low-cost multi-hop and high performance wireless access netwo...
Programmable presence virtualization for next-generation context-based applications
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Arup Acharya, Nilanjan Banerjee, Dipanjan Chakraborty, Koustuv Dasgupta, Archan Misra, Shachi Sharma, Xiping Wang, Charles P. Wright
Issue Date:March 2009
pp. 1-10
Presence, broadly defined as an event publish-notification infrastructure for converged applications, has emerged as a key mechanism for collecting and disseminating context attributes for next-generation services in both enterprise and provider domains. C...
On Accommodating Mobile Hosts in an Integrated Services Packet Network
Found in: IEEE Computer and Communications Societies, Annual Joint Conference of the
By Anup Kumar Talukdar, B. R. Badrinath, Arup Acharya
Issue Date:April 1997
pp. 1046
This paper considers the support of real-time applications to mobile hosts in an Integrated Services Packet Network. We have proposed a service model for mobile hosts that can support adaptive applications which can withstand wide range of available bandwi...
FOCUS: clustering crowdsourced videos by line-of-sight
Found in: Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems (SenSys '13)
By Kirk Beaty, Arup Acharya, Justin Manweiler, Puneet Jain
Issue Date:November 2013
pp. 1-14
Crowdsourced video often provides engaging and diverse perspectives not captured by professional videographers. Broad appeal of user-uploaded video has been widely confirmed: freely distributed on YouTube, by subscription on Vimeo, and to peers on Facebook...
Presence virtualization middleware for next-generation converged applications
Found in: Proceedings of the ACM/IFIP/USENIX international middleware conference companion on Middleware '08 Companion (Companion '08)
By Archan Misra, Arup Acharya, Charles Wright, Dipanjan Chakraborty, Koustuv Dasgupta, Nilanjan Banerjee, Shachi Sharma, Xiping Wang
Issue Date:December 2008
pp. 31-36
This paper describes the initial design of a scalable and client-programmable presence virtualization architecture.
A programmable message classification engine for session initiation protocol (SIP)
Found in: Proceedings of the 3rd ACM/IEEE Symposium on Architecture for networking and communications systems (ANCS '07)
By Arup Acharya
Issue Date:December 2007
pp. 185-194
Session Initiation Protocol (SIP) has begun to be widely deployed for multiple services such as VoIP, Instant Messaging and Presence. Each of these services uses different SIP messages, and depending on the value of a service, e.g. revenue, the associated ...
Real-time monitoring of SIP infrastructure using message classification
Found in: Proceedings of the 3rd annual ACM workshop on Mining network data (MineNet '07)
By Arup Acharya, Bikram Sengupta, Charles Wright, Nilanjan Banerjee, Xiping Wang
Issue Date:June 2007
pp. 45-50
Session Initiation Protocol (SIP) is a control-plane protocol for multiple services such as VoIP, Instant Messaging and Presence, and in addition, is key to IP Multimedia Subsystem (IMS). A SIP message consists of plain-text headers and their corresponding...
Using session initiation protocol to build context-aware VoIP support for multiplayer networked games
Found in: Proceedings of ACM SIGCOMM 2004 workshops on NetGames '04: Network and system support for games (SIGCOMM 2004 Workshops)
By Aameek Singh, Arup Acharya
Issue Date:August 2004
pp. 98-105
Multiplayer networked games are the trend of the day. Receiving a major boost from various commercial ventures like Microsoft Xbox®[19] and Sony Playstation®[13], the networked gaming industry is set to grow dramatically. These multiplayer games ...
A label-switching packet forwarding architecture for multi-hop wireless LANs
Found in: Proceedings of the 5th ACM international workshop on Wireless mobile multimedia (WOWMOM '02)
By Archan Misra, Arup Acharya, Sorav Bansal
Issue Date:September 2002
pp. 33-40
A router in wired network typically requires multiple network interfaces to act as a router or a forwarding node. In an ad-hoc multi-hop wireless network on the other hand, any node with a wireless network interface card can operate as a router or a forwar...
Rate adaptation schemes in networks with mobile hosts
Found in: Proceedings of the fourth annual ACM/IEEE international conference on Mobile computing and networking (MobiCom '98)
By Anup Kumar Talukdar, Arup Acharya, B. R. Badrinath
Issue Date:October 1998
pp. 169-180
Post-hoc worknotes is a concept demonstration, an envisionment showing how workgroup communication could be supported using a combination of existing technologies in the field of nontextual information management. We have identified a number of use-driven ...