| Tachikawa, T. and Takizawa, M., "Selective Total-Ordering Group Communication on Single High-Speed Channel," Proc. of the IEEE ICNP-94 , 1994, pp.212-219. |
....receipt of messages by placing the highest message sequence number received without gaps in its next message. Messages are broadcast within process groups, and each group has its own independent central site. Messages for different groups are not ordered with respect to one another. Takizawa [14, 15] has also investigated ordered group communication protocols on a single high speed channel and over larger networks consisting of groups of processors connected by gateways. Preacknowledgments are used to ensure that buffers do not overflow and to define a total order on messages. The RMP ....
T. Tachikawa and M. Takizawa. Selective totalordering group communication on single highspeed channel. In Proceedings of the 1994 International Conference on Network Protocols, pages 212--219, Boston, MA, October 1994.
....the causally ordered delivery of messages for the processes in the group. First, we would like to discuss the precedence relation among the messages. For two messages m 1 and m 2 , m 1 is referred to precede m 2 at the replica level (m 1 OE m 2 ) if s ik (m 1 ) s jh (m 2 ) As presented in [16, 19], each message m sent by p ik carries the confirmation field ack jh which denotes the sequence number of a message which p ik expects to receive next from p jh (h = 1; l i , j = 1; n j ) The messages can be causally ordered as follows [16] Replica causally oredered (RCO) For ....
Tachikawa, T. and Takizawa, M., "Selective Total-Ordering Group Communication on Single High-Speed Channel," Proc. of the IEEE ICNP-94 , 1994, pp.212-219.
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