1
Arup Acharya, Rajiv Dighe: Method for internet protocol switching over fast ATM cell transport. NEC USA, Sughrue Mion Zinn Macpeak & Seas PLLC, May 11, 1999: US05903559 (274 worldwide citation)

A method for transporting Internet Protocols (IP's) over an Asynchronous Transfer Mode (ATM) network that exhibits the strengths of ATM, namely packet interleaving (using cell-based transport) with Quality of Service support for connection-oriented traffic (such as multiclass native ATM traffic and ...


2
Arup Acharya, Erich M Nahum, John Michael Tracey, Xiping Wang, Charles P Wright, Zhen Xiao: Overload protection for SIP servers. International Business Machines Corporation, Michael J Buchenhomer, Brian Verminiski, April 21, 2009: US07522581 (109 worldwide citation)

A method for operating a server having a maximum capacity for servicing requests comprises the following steps: receiving a plurality of requests; classifying each request according to a value; determining a priority for handling the request according to the value, such that requests with higher val ...


3
Arup Acharya, Khalil S Amiri: Virtualization of iSCSI storage. International Business Machines Corporation, Louis P Herzberg, August 23, 2005: US06934799 (92 worldwide citation)

This invention describes methods, apparatus and systems for virtualization of iSCSI storage. Virtual storage isolates the clients from the management of physical storage resources. In this invention, each physical storage device supports multiple logical units (LUNs). Each supported LUN is associate ...


4
Arup Acharya, Jun Li, Dipankar Raychaudhuri, Ruixi Yuan, Subir K Biswas: Handoff-control technique for wireless ATM. NEC USA, Sughrue Mion Zinn Macpeak & Seas PLLC, October 26, 1999: US05974036 (77 worldwide citation)

Mobility in a wireless ATM network is accomplished by use of hand-off control protocols. A mobile terminal signals a first base station that a hand-off is to occur. In a first preferred embodiment the first base station signals a second base station requesting a hand-off. After the second base stati ...


5
Arup Acharya, Rong N Chang, Dilip Kandlur, Zon Yin Shae: System and apparatus for geographically distributed VoIP conference service with enhanced QoS. International Business Machines Corporation, George Willingham, August Law Group, April 1, 2008: US07353255 (73 worldwide citation)

The present invention is directed to a system, including apparatus and architecture, and method for providing scheduled and ad hoc voice over IP conference services having enhanced quality and reliability. The system uses an overlay network of geographically distributed conference servers working si ...


6
Arup Acharya, Anees A Shaikh, Renu Tewari, Dinesh C Verma: Method and apparatus for content-aware web switching. International Business Machines Corporation, Louis P Herzberg, April 24, 2007: US07209977 (53 worldwide citation)

This invention provides methods and apparatus for web switching without connection termination while providing content routing functionality. Content-aware web switches terminate incoming TCP connections and inspect the HTTP header to recognize the URL (content) being requested from a web server far ...


7
Arup Acharya, Rajiv Dighe: System and method of transferring internet protocol packets using fast ATM cell transport. NEC USA, Sughrue Mion PLLC, January 29, 2002: US06343326 (51 worldwide citation)

In a method of transmitting an IP packet between a source and a destination through an ATM network which has a node formed by an ATM switch and a packet router, a reception packet or cell is transmitted to the node on an unused or undefined VC and is sent to the packet router in the node. In the pac ...


8
Arup Acharya, Stefan Berger, Chandrasekhar Narayanaswami: Method and apparatus for integrating wearable devices within a SIP infrastructure. International Business Machines Corporation, George Willinghan, August Law, November 23, 2010: US07840681 (36 worldwide citation)

The present invention is directed to a session initiation protocol (SIP) infrastructure containing various user devices and the use of this infrastructure to conduct media exchange sessions among the various user devices. Included in the user devices are wearable devices, for example pendants and wr ...


9
Arup Acharya, Mandis Beigi, Raymond Byars Jennings III, Reiner Sailer, Dinesh Chandra Verma: Validation of network communication tunnels. International Business Machines Corporation, Louis P Herzberg, December 7, 2004: US06829709 (32 worldwide citation)

This invention provides methods and apparatus for validating that transformations that are expected to occur in an IP network are indeed occurring as expected. Generally, these transformations establish logical communication tunnels within an IP network between the devices that perform the transform ...


10
Dipankar Raychaudhuri, Jun Li, Arup Acharya: Handoff method for an ATM wireless network wherein both the switch and the mobile buffer cells and the mobile controls when the handoff will occur. NEC USA, Sughrue Mion Zinn MacPeak & Seas PLLC, February 8, 2000: US06023461 (29 worldwide citation)

A handoff control process in a wireless ATM network replaces an old communications connection with a new communication connection. In order to guarantee that no data is lost during the replacement process, an ATM cell level mechanism is used to re-schedule the buffering and transmitting of data stre ...