B. Rajagopalan. Consensus and control in wide-area group communication. Technical report, AT&T Bell Laboratories, Holmdel, NJ 07733-3030, Oct. 1993.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....floor control handles coordination, session control keeps track of membership, start up and tear down of the communication paths, and the use of compatibility issues with particular media. Session control complements coordination mechanisms such as floor control and performs membership management [36], directory services [13] announcement [12] invitation [14] and teardown. Integrated session and floor control services have been referred to as conference control [15] Typical membership functions fall into four categories: registration calls such as invite, initiate, join, etc. modification ....

B. Rajagopalan. Consensus and control in wide-area group communication. Technical report, AT&T Bell Laboratories, Holmdel, NJ 07733-3030, Oct. 1993.

....of the MCP protocol framework [79] which employs a token based floor control mechanism. Formal models for multimedia collaboration proposing hierarchical session organization [60] and group membership in asynchronous and syn 14 Hans Peter Dommel and J.J. Garcia Luna Aceves chronous scenarios [59] have also been subjects of research. To clarify the question of how floor control fits into different task groups and collaboration types, a simple taxonomy for collaborative environments is useful. Unlike in other more general taxonomies [18, 40, 62, 75] our focus is on floor control provision. ....

Rajagopalan B (1993) Consensus and control in wide-area group communication. AT&T Bell Laboratories, Holmdel, NJ 07733-3030, Oct

....an implementation where a floor daemon on each node in a collaboration graph controls local floor assignment of locally owned, but shared resources, synchronizing with remote nodes. It interfaces with a session control protocol, which orchestrates sites to reach consensus on group membership [21] and channel establishment. An object oriented model fosters distinction between private and public data, as well as object linking and inheritance in hierarchical session control [22] Floors can not only attach to media, but also to sessions, permitting or refusing to join certain meetings. A ....

B. Rajagopalan. Consensus and control in wide-area group communication. Technicalreport, AT&TBellLaboratories, Holmdel, NJ 07733-3030,October 1993. Internet Draft.

....constraints have been discussed in the context of the MCP protocol framework [78] which employs a token based floor control mechanism. Formal models for multimedia collaboration proposing hierarchical session organization [59] and group membership in asynchronous and synchronous scenarios [58] have also been subjects of research. To clarify the question of how floor control fits into various task groups and collaboration types, a simple taxonomy for collaborative environments is useful. Unlike the focus of other more general taxonomies [18, 61, 74] our focus is on floor control ....

Rajagopalan B (1993) Consensus and control in wide-area group communication. AT&T Bell Laboratories, Holmdel, NJ 07733-3030,

....constraints have been discussed in the context of the MCP protocol framework [79] which employs a token based floor control mechanism. Formal models for multimedia collaboration proposing hierarchical session organization [60] and group membership in asynchronous and synchronous scenarios [59] have also been subjects of research. To clarify the question of how floor control fits into different task groups and collaboration types, a simple taxonomy for collaborative environments is useful. Unlike in other more general taxonomies [18, 40, 62, 75] our focus is on floor control ....

Rajagopalan B (1993) Consensus and control in wide-area group communication. AT&T Bell Laboratories, Holmdel, NJ 07733-3030, Oct

....diversity of collaboration styles, it appears difficult to arrive at a canonical, allencompassing conference control protocol or application. Rather more promising appear attempts to distill common, underlying control functions and allow combining these in appropriate ways. The agreement protocols [25, 26] formalizes the problem of agreeing on shared state and modifying it based on voting rules. If eventual consistency is desired, some form of reliable multicast is necessary, an area where many protocols have been proposed [ 28,29] For distributing state, reliable multicast has to deal gracefully ....

B. Rajagopalan, "Consensus and control in wide-area group communication." unpublished memorandum, Nov. 1993.

....of collaboration styles, it appears difficult to arrive at a canonical, all encompassing conference control protocol or application. Rather more promising appear attempts to distill common, underlying control functions and allow combining these in appropriate ways. The agreement protocols [24,25] formalizes the problem of agreeing on shared state and modifying it based on voting rules. If eventual consistency is desired, some form of reliable multicast is necessary, an area where many protocols have been proposed [26 28] For distributing state, reliable multicast has to deal gracefully ....

B. Rajagopalan, "Consensus and control in wide-area group communication." unpublished memorandum, Nov. 1993.

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B. Rajagopalan. Consensus and control in wide-area group communication. Technical report, AT&T Bell Laboratories, Holmdel, NJ 07733-3030, Oct. 1993.

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