P. Felber. The CORBA Object Group Service. PhD thesis, EPF, Lausanne-Suisse, 1998. Home/Search Document Details and Download
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Combining different Failure Detectors for Solving a.. - Haddad, Kooh (1999) (1 citation) (Correct)
....to focus on two main implementation problems :the group communication and the implementation of detectors. 3.4.1 Domains and broadcast address We have retained the Object Group Service (OGS) running on the top of a CORBA 1 environment. It provides a reliable support for group communication [4]. The object messaging service gives basic mechanisms for managing asynchronous point topoint messages. Thus, it overcomes the limitations of the standard CORBA object invocations based on the synchronous RPC like mechanism. According to our protocol, groups of objects have the role of domains ....
....participants instead of individual participants. The new approach is hierarchical and allows a better adaptation of the combined failure detectors parameters (such as timeouts) to the topology of the network and reduces the number of messages exchanged in the system between LANs as pointed out in[4]. Furthermore, it takes into account real characteristics of WAN and LAN environments by considering weaker detectors hypothesis for LANs and stronger ones for WANs. In addition, it provides AEexibility since the domains are anonymous and the local networks may be dioeerent. The protocol works ....
P. Felber. The CORBA Object Group Service. PhD thesis, EPF, Lausanne-Suisse, 1998.
Reaching Agreement in Hierarchical Groups - Kooh, Haddad (1999) (Correct)
....of the detectors. The CORBA 3 Large Group Service (called CLAGS) we are implementing is an architecture ooeering infrastructure for large scale agreement (relying on our generic protocol) It is a group service overcoming the lack of group communication in CORBA. It is inspired from OGS [9, 6] (designed to work only in a LAN) With thread mechanisms it allows the management of asynchronous messages. This makes it possible to mitigate the limitations of the synchronous CORBA object invocation service. The large scale monitoring furnishes support for detecting failure of local or remote ....
P. Felber. The CORBA Object Group Service. PhD thesis, Ecole Polytechnique F#d#rale de Lausanne-Suisse, 1998.
CONCHA - CONference system based on java and corba .. - Orvalho, Andrade, .. (Correct)
.... Multicast Extensions to the Corba Event Service The standard OMG COS (CORBA Object Specification) Event Service has some limitations that span the following important issues: multicast communication environments [15] 20] 31] communication reliability [20] 31] event filtering and correlation [32], event ordering and prioritisation [20] and bulk data handling [31] The proposed extensions to the CORBA Event Service, which we name Reliable Multicast Extensions to the CORBA Event Service provide the standard OMG Corba Event Service specification [19] with mechanisms for reliable IP ....
P. Felber, R. Guerraoui, A. Schiper (1997): "The CORBA Object Group Service", EPFL, Computer Science Department, Technical Report, 1997.
Evaluating Light-weight Reliable Multicast Protocol.. - Orvalho, Figueiredo.. (1999) (1 citation) (Correct)
....leave room to implementers innovation and optimisation. The standard OMG COS (CORBA Object Specification) Event Service has some limitations that span the following important issues: multicast communication environments [2] 3] 4] communication reliability [3] 4] event filtering and correlation [5], event ordering and prioritisation [3] and bulk data handling [4] In what concerns this last case, CORBA Event Service was conceived for the diffusion of small messages, so it has many limitations for non real time bulk multicast communication (e.g. data replication) The standard OMG COS Event ....
P. Felber, R. Guerraoui, A. Schiper (1997): "The CORBA Object Group Service", EPFL, Computer Science Department, Technical Report, 1997.
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