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Let G be a graph. Let us place the points of G in “general” position in the plane and then replace its edges by rigid bars (with flexible joints). We would like to know if the resulting structure is… Expand
The authors describe a network management system and illustrate its application to managing a distributed database application on a complex enterprise network.
This paper describes a novel approach to event correlation in networks based on coding techniques. Observable symptom events are viewed as a code that identifies the problems that caused them;… Expand
This paper introduces a novel approach to distributed computing based on delegation-agents, and describes its applications to decentralize network management. Delegation agents are programs that can… Expand
Intermediate nodes (e.g., routers, switches) of cur rent networks, in contrast with end nodes (e.g., PC s workstations), are vertically integrated closed sys tems. Their functions, mostly implemented… Expand
With the advances in computer and networking technology thousands of heterogeneous com puters can be interconnected to provide a large collection of computing and communication resources These… Expand
The Network Simulation Testbed (NEST) is a graphical environment for simulation and rapid-prototyping of distributed networked systems and protocols. Designers of distributed networked systems… Expand
This note proposes a statistical perturbation scheme to protect a statistical database against compromise. The proposed scheme can handle the security of numerical as well as nonnumerical sensitive… Expand
The purpose of this paper is to present an asymptotic performance analysis of a class of multihop radio networks using the calculus of residues. The analysis provides a closed-form approximation of… Expand
A novel approach to allocating and sharing communication and computational resources in a distributed system is described. The approach, which is based on concepts drawn from microeconomics, uses… Expand