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ACISP
2001
Springer
13 years 9 months ago
Improving the Availability of Time-Stamping Services
We discuss the availability questions that arise when digital time stamps are used for preserving the evidentiary value of electronic documents. We analyze the time-stamping protoc...
Arne Ansper, Ahto Buldas, Märt Saarepera, Jan...
PKC
2000
Springer
120views Cryptology» more  PKC 2000»
13 years 8 months ago
Optimally Efficient Accountable Time-Stamping
Abstract. Efficient secure time-stamping schemes employ a 2-level approach in which the time-stamping service operates in rounds. We say that a time-stamping service is accountable...
Ahto Buldas, Helger Lipmaa, Berry Schoenmakers
SRDS
2006
IEEE
13 years 11 months ago
Call Availability Prediction in a Telecommunication System: A Data Driven Empirical Approach
Availability prediction in a telecommunication system plays a crucial role in its management, either by alerting the operator to potential failures or by proactively initiating pr...
Günther A. Hoffmann, Miroslaw Malek
COMPSAC
2002
IEEE
13 years 9 months ago
Improving Service Availability via Low-Outage Upgrades
Service availability is of key importance to operations and maintenance systems for mobile telephony networks. This paper will describe some of the challenges in providing continu...
Chryssa Dislis
SC
2003
ACM
13 years 10 months ago
Quantifying and Improving the Availability of High-Performance Cluster-Based Internet Services
Cluster-based servers can substantially increase performance when nodes cooperate to globally manage resources. However, in this paper we show that cooperation results in a substa...
Kiran Nagaraja, Neeraj Krishnan, Ricardo Bianchini...