Andrew: a distributed personal computing environment
Communications of the ACM - The MIT Press scientific computation series
Scale and performance in a distributed file system
ACM Transactions on Computer Systems (TOCS)
Accessing Files in an Internet: The Jade File System
IEEE Transactions on Software Engineering
The Legion vision of a worldwide virtual computer
Communications of the ACM
UFO: a personal global file system based on user-level extensions to the operating system
ACM Transactions on Computer Systems (TOCS)
Separating key management from file system security
Proceedings of the seventeenth ACM symposium on Operating systems principles
PUNCH: An architecture for Web-enabled wide-area network-computing
Cluster Computing
PUNCH: Web Portal for Running Tools
IEEE Micro
Enhancing the Scalability and Usability of Computational Grids via Logical User Accounts and Virtual
IPDPS '01 Proceedings of the 15th International Parallel & Distributed Processing Symposium
A Resource Management Architecture for Metacomputing Systems
IPPS/SPDP '98 Proceedings of the Workshop on Job Scheduling Strategies for Parallel Processing
Grid-Based File Access: The Legion I/O Model
HPDC '00 Proceedings of the 9th IEEE International Symposium on High Performance Distributed Computing
The Kangaroo Approach to Data Movement on the Grid
HPDC '01 Proceedings of the 10th IEEE International Symposium on High Performance Distributed Computing
Active Yellow Pages: A Pipelined Resource Management Architecture for Wide-Area Network Computing
HPDC '01 Proceedings of the 10th IEEE International Symposium on High Performance Distributed Computing
A user-level secure grid file system
Proceedings of the 2007 ACM/IEEE conference on Supercomputing
On the use of virtualization and service technologies to enable grid-computing
Euro-Par'05 Proceedings of the 11th international Euro-Par conference on Parallel Processing
| Hi-index | 0.00 |
This paper describes a novel technique for establishing a virtual file system that allows data to be transferred user-transparently and on-demand across computing and storage servers of a computational grid. Its implementation is based on extensions to the Network File System (NFS) that are encapsulated in software proxies. A key differentiator between this approach and previous work is the way in which file servers are partitioned: while conventional file systems share a single (logical) server across multiple users, the virtual file system employs multiple proxy servers that are created, customized and terminated dynamically, for the duration of a computing session, on a per-user basis. Furthermore, the solution does not require modifications to standard NFS clients and servers. The described approach has been deployed in the context of the PUNCH network-computing infrastructure, and is unique in its ability to integrate unmodified, interactive applications (even commercial ones) and existing computing infrastructure into a network computing environment. Experimental results show that: (1) the virtual file system performs well in comparison to native NFS in a local-area setup, with mean overheads of 1 and 18%, for the single-client execution of the Andrew benchmark in two representative computing environments, (2) the average overhead for eight clients can be reduced to within 1% of native NFS with the use of concurrent proxies, (3) the wide-area performance is within 1% of the local-area performance for a typical compute-intensive PUNCH application (SimpleScalar), while for the I/O-intensive application Andrew the wide-area performance is 5.5 times worse than the local-area performance.