NDLI: Virtual Leashing: Internet-Based Software Piracy Protection

Content Provider	IEEE Xplore Digital Library
Author	Dvir, O. Herlihy, M. Shavit, N.N.
Copyright Year	2005
Description	Author affiliation: Comput. Sci. Dept., Tel Aviv Univ., Ramat Aviv (Dvir, O.)
Abstract	Software-splitting is a technique for protecting software from piracy by removing code fragments from an application and placing them on a remote trusted server. The server provides the missing functionality but never the missing code. As long as the missing functionality is hard to reverse-engineer, the application cannot run without validating itself to the server. Current software-splitting techniques scale poorly to the Internet because interactions with the remote server are synchronous: the application must frequently block waiting for a response from the server. Perceptible delays due to network latency are unacceptable for many kinds of highly-reactive applications, such as games or graphics applications. This paper introduces virtual leashing, the first non-blocking software-splitting technique. Virtual leashing ensures that the application and the server communicate asynchronously, so the application's performance is independent (within reason) of large or variable network latencies. Experiments show that virtual leashing makes only modest demands on communication bandwidth, space, and computation
Sponsorship	IEEE Comput. Soc. Tech. Comm. on Distributed Process. (TCDP)
Starting Page	283
Ending Page	292
File Size	444051
Page Count	10
File Format	PDF
ISBN	0769523315
ISSN	10636927
DOI	10.1109/ICDCS.2005.85
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Internet Computer crime Protection Application software Web server Network servers Delay Cryptography Computer science Coprocessors
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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