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207
SEDA: An Architecture for Well-Conditioned, Scalable Internet Services
, 2001
"... We propose a new design for highly concurrent Internet services, whichwe call the staged event-driven architecture (SEDA). SEDA is intended ..."
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Cited by 522 (10 self)
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We propose a new design for highly concurrent Internet services, whichwe call the staged event-driven architecture (SEDA). SEDA is intended
Astrolabe: A Robust and Scalable Technology for Distributed System Monitoring, Management, and Data Mining
- ACM Transactions on Computer Systems
, 2001
"... this paper, we describe a new information management service called Astrolabe. Astrolabe monitors the dynamically changing state of a collection of distributed resources, reporting summaries of this information to its users. Like DNS, Astrolabe organizes the resources into a hierarchy of domains, wh ..."
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Cited by 452 (27 self)
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this paper, we describe a new information management service called Astrolabe. Astrolabe monitors the dynamically changing state of a collection of distributed resources, reporting summaries of this information to its users. Like DNS, Astrolabe organizes the resources into a hierarchy of domains, which we call zones to avoid confusion, and associates attributes with each zone. Unlike DNS, zones are not bound to specific servers, the attributes may be highly dynamic, and updates propagate quickly; typically, in tens of seconds
Internet Indirection Infrastructure
- In Proceedings of ACM SIGCOMM
, 2002
"... Attempts to generalize the Internet's point-to-point communication abstraction to provide services like multicast, anycast, and mobility have faced challenging technical problems and deployment barriers. To ease the deployment of such services, this paper proposes an overlay-based Internet Indi ..."
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Cited by 396 (26 self)
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Attempts to generalize the Internet's point-to-point communication abstraction to provide services like multicast, anycast, and mobility have faced challenging technical problems and deployment barriers. To ease the deployment of such services, this paper proposes an overlay-based Internet Indirection Infrastructure (i3) that offers a rendezvous-based communication abstraction. Instead of explicitly sending a packet to a destination, each packet is associated with an identifier; this identifier is then used by the receiver to obtain delivery of the packet. This level of indirection decouples the act of sending from the act of receiving, and allows i3 to efficiently support a wide variety of fundamental communication services. To demonstrate the feasibility of this approach, we have designed and built a prototype based on the Chord lookup protocol.
GaiaOS: An Infrastructure for Active Spaces
"... We envision a world of mobile users in an unobtrusive ubiquitous computing environment that couples a computational model, digital media, and virtual representations of the physical world. Hundreds of embedded computers support the information and computational needs of each user. Users, application ..."
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Cited by 187 (9 self)
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We envision a world of mobile users in an unobtrusive ubiquitous computing environment that couples a computational model, digital media, and virtual representations of the physical world. Hundreds of embedded computers support the information and computational needs of each user. Users, applications, and computing devices move. The location of users and devices drives applications and resource management. Users have anytime/anywhere access to information, the network, and computational resources. Within this world, applications that make effective use of resources to support the activities of users must be simple and efficient to construct. Changes to the physical environment alter the computational model and information space of the users. Similarly, changes to the computational model and information space may alter the physical environment. We call this environment an Active Space. We propose a systems software infrastructure that functions in much the same way as a traditional operating system.
Service discovery in pervasive computing environments
- IEEE Pervasive Computing
, 2005
"... Abstract: Service discovery is an essential task in pervasive computing environments. Simple and efficient service discovery enables heterogeneous and ubiquitous computing devices and services to be easier to use. Service integration uses services as building blocks to achieve complex services. We d ..."
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Cited by 117 (9 self)
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Abstract: Service discovery is an essential task in pervasive computing environments. Simple and efficient service discovery enables heterogeneous and ubiquitous computing devices and services to be easier to use. Service integration uses services as building blocks to achieve complex services. We describe service discovery and service integration, analyze design issues, and categorize the service discovery protocols. Keywords: Service Discovery, Service Integration, Service Security. In 1991, Mark Weiser coined the term ubiquitous computing, which is also called pervasive computing. In pervasive computing environments, people are surrounded by a variety of computing devices. Those devices communicate with each other and provide information “at a glance ” without our “active attention ” [1]. Presently, PCs, notebooks, cell phones, and Personal Data Assistants (PDAs) surround us. In the near future, additional networked computers, ranging from tiny sensors to extremely dynamic and powerful devices will provide a variety of information and services. It becomes overwhelming to manage these devices, configure different kinds of applications, and dynamically find the available computing services in such pervasive computing environments. Service discovery protocols enable computers to be easier to use. They facilitate interaction between
A Peer-to-Peer Approach to Resource Location in Grid Environments
- In High Performance Distributed Computing
, 2002
"... Computational grids provide mechanisms for sharing and accessing large and heterogeneous collections of remote resources such as computers, online instruments, storage space, data, and applications. Resources are requested ("discovered") by specifying a set of desired attributes. Resourc ..."
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Cited by 98 (1 self)
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Computational grids provide mechanisms for sharing and accessing large and heterogeneous collections of remote resources such as computers, online instruments, storage space, data, and applications. Resources are requested ("discovered") by specifying a set of desired attributes. Resource attributes have various degrees of dynamism, from mostly static attributes, such as operating system version, to highly dynamic ones, such as available network bandwidth or CPU load. Another dimension of dynamism is introduced by variable and highly diverse sharing policies: resources are made available to the grid community based on locally defined and potentially changing policies.
SpiderNet: An Integrated Peer-to-Peer Service Composition Framework
, 2004
"... Service composition is highly desirable in peer-to-peer (P2P) systems where application services are naturally dispersed on distributed peers. However, it is challenging to provide high quality and failure resilient service composition in P2P systems due to the decentralization requirement and dynam ..."
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Cited by 64 (7 self)
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Service composition is highly desirable in peer-to-peer (P2P) systems where application services are naturally dispersed on distributed peers. However, it is challenging to provide high quality and failure resilient service composition in P2P systems due to the decentralization requirement and dynamic peer arrivals/departures. In this paper, we present an integrated P2P service composition framework called SpiderNet to address the challenges. At service setup phase, SpiderNet performs a novel bounded composition probing protocol to provide scalable quality-aware and resource-efficient service composition in a fully distributed fashion. Moreover, SpiderNet supports directed acyclic graph composition topologies and explores exchangeable composition orders for enhanced service quality. During service runtime, SpiderNet provides proactive failure recovery to overcome dynamic changes (e.g., peer departures) in P2P systems. The proactive failure recovery scheme maintains a small number of dynamically selected backup compositions to achieve quick failure recovery for soft realtime streaming applications. We have implemented a prototype of SpiderNet and conducted extensive experiments using both large-scale simulations and wide-area network testbed. Experimental results show the feasibility and efficiency of the SpiderNet service composition solution for P2P systems.
CANS: Composable, adaptive network services infrastructure
- in Proceedings of the USENIX Symposium on Internet Technologies and Systems (USITS’01
, 2001
"... Ubiquitous access to sophisticated internet services from diverse end devices across heterogeneous networks requires the injection of additional functionality into the network to handle protocol conversion, data transcoding, and in general bridge disparate network portions. Several researchers have ..."
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Cited by 60 (8 self)
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Ubiquitous access to sophisticated internet services from diverse end devices across heterogeneous networks requires the injection of additional functionality into the network to handle protocol conversion, data transcoding, and in general bridge disparate network portions. Several researchers have proposed infrastructures for injecting such functionality; however, many challenges remain before these can be widely deployed. CANS is an application-level infrastructure for injecting application-specific components into the network that focuses on three such challenges: (a) efficient and dynamic composition of individual components; (b) distributed adaptation of injected components in response to system conditions; and (c) support for legacy applications and services. The CANS network view comprises applications, stateful services, and data paths built from mobile soft-state objects called drivers. Both services and data paths can be dynamically created and reconfigured: a planning and event propagation model assists in distributed adaptation, and a flexible type-based composition model dictates how new services and drivers are integrated with existing components. Legacy components plug into CANS using an interception layer that virtualizes network bindings and a delegation model. This paper describes the CANS architecture, and a case study involving a shrink-wrapped client application in a dynamically changing network environment where CANS improves overall user experience. 1
Scalable Management and Data Mining using Astrolabe
- In IPTPS
, 2002
"... this paper, we describe a new information management service called Astrolabe. Astrolabe monitors the dynamically changing state of a collection of distributed resources, reporting summaries of this information to its users. Like DNS, Astrolabe organizes the resources into a hierarchy of domains, wh ..."
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Cited by 52 (8 self)
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this paper, we describe a new information management service called Astrolabe. Astrolabe monitors the dynamically changing state of a collection of distributed resources, reporting summaries of this information to its users. Like DNS, Astrolabe organizes the resources into a hierarchy of domains, which we call zones to avoid confusion, and associates attributes with each zone. Unlike DNS, the attributes may be highly dynamic, and updates propagate quickly; typically, in tens of seconds
