Dejan S. Milojicc, William LaForge, and Deepika Chauhan. Mobile Objects and Agents (MOA). In Proc. of the 4th Conf. on Object-Oriented Technologies and Systems (COOTS-98), pages 179--194. USENIX Association, 1998.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....language that supplies many useful abstractions for programming distributed applications that exploit forms of mobility. In fact, several mobile agent programming environments have been built on top of Java, we just mention Mole [SBH96] Concordia [WPWD97] Mobile Objects and Agents (MOA, [MLC98]) and Voyager [Gla99] Java provides class libraries that contain many useful features for programming distributed applications [HSHB99] such as, e.g. sockets and multi threading. Moreover, in Java, synchronization is a primitive notion (a class with synchronized methods is basically a monitor ....

Dejan S. Milojicc, William LaForge, and Deepika Chauhan. Mobile Objects and Agents (MOA). In Proc. of the 4th Conf. on Object-Oriented Technologies and Systems (COOTS-98), pages 179--194. USENIX Association, 1998.

....a programming language that supplies many useful abstractions for programming distributed applications that exploit forms of mobility. In fact, several mobile agent programming environments have been built on top of Java, we just mention Mole [31] Concordia [32] Mobile Objects and Agents (MOA, [33]) and Voyager [34] Here are a few relevant Java features. Java is architecture independent : a Java program is compiled into an intermediate language (the byte code) which is executed by a virtual machine (the Java Virtual Machine) Thus, a Java program can be executed in any computer endowed ....

Dejan S. Milojicc, William LaForge, and Deepika Chauhan. Mobile Objects and Agents (MOA). In Proc. of the 4th Conf. on Object-Oriented Technologies and Systems (COOTS98) , pages 179-194. USENIX Association, 1998.

....others. The infrastructure work of Aridor and Oshima [AO98] provides three main forms of message delivery: location independent using either forwarding pointers or location servers, and location dependent (they also provide other mechanisms for locating an agent) Mobile Objects and Agents (MOA) MLC98] supports four schemes for locating agents; these are used as required to deliver location independent messages. Stream communication between agents is also described, with communicating channel managers informing each other on migration. The MASIF proposal [MBB 98] also involves four locating ....

Dejan S. Milojicic, William LaForge, and Deepika Chauhan. Mobile objects and agents (MOA). In Proceedings of the 4th Conference on Object-Oriented Technologies and Systems (COOTS-98), pages 179-194, April 27-30 1998.

....as a new design paradigm for distributed computing potentially permit network applications to operate across heterogeneous systems and dynamic network connectivities, to reduce their bandwidth needs, and to avoid overheads caused by large communication latencies. In addition, mobile agent systems[11, 20, 24, 38] are designed to facilitate the construction of distributed programs that have the flexibility to adapt their operation in response to the heterogeneous nature of or dynamic changes in underlying distributed computing platforms. Agent computing, however, is subject to several inefficiencies. Some ....

....disk archive Selector for data Azimuth Compression Azimuth Compression Azimuth Compression Imagery for processing interesting Fir Filtering Range Compression Range pulse Range pulse Range pulse display and Figure 2: Structure of PSSPS. Usage of interpreted languages, such as Java[38, 20, 24], is a major cause of these problems as is depicted by experiment results listed in table 1. These experiments use the Sun Solaris native C compiler to generate compiled code and use JDK1.2 beta3 package for the Java compiler and runtime environment (including the JIT compiler used in our later ....

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Dejan S. Milojicicc, William LaForge, and Deepika Chauhan. Mobile objects and agents (moa). In 4th USENIX Conference on Object-Oriented Technologies and Systems (COOTS), Santa Fe, New Mexico, April 1998.

....others. The infrastructure work of Aridor and Oshima [AO98] provides three main forms of message delivery: location independent using either forwarding pointers or location servers, and location dependent (they also provide other mechanisms for locating an agent) Mobile Objects and Agents (MOA) MLC98] supports four schemes for locating agents; these are used as required to deliver location independent messages. Stream communication between agents is also described, with communicating channel managers informing each other on migration. The MASIF proposal [MBB 98] also involves four ....

Dejan S. Milojicic, William LaForge, and Deepika Chauhan. Mobile Objects and Agents (MOA). In Proceedings of the 4th Conference on ObjectOriented Technologies and Systems (COOTS-98), pages 179--194, April 27--30 1998.

....utilize their own algorithms for replication, communication, and mobility. The same problem occurs in other fields like parallel numeric applications [5] distributed multimedia, and distributed real time. On one hand, many recent approaches consider support for general purpose DOS applications [3, 10, 13]. They do not focus on providing basic mechanisms that could be shared to implement different distributed object models. For example, applications might benefit from relaxing concurrency control and enforcing state reconciliation recovery mechanisms; but they might want to do the opposite Most ....

....systems to support soft real time [16] are very close to what we need. The practical consequence will be a thiner middleware cooperating with the OS rather than fighting against it. 4 Related work Systems based on virtual machines and interpreters are slow and pose a number of security concerns [10, 13]. Other middleware based systems which build heavily on OS support impose their own distributed object implementation to every application [14, 13, 3] We explore distribution at a lower level of abstraction. Our physical resource protection model is comparable to TACOMA s resource containers [7] ....

Dejan S. Milojicicc, William LaForge, and Deepika Chauhan. Mobile Objects and Agents (MOA). In Proceedings of the 4th USENIX Conference on Object-Oriented Technologies and Systems, Santa Fe (NM,USA), April 1998.

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