Multicast message scheduling method and device
A scheduling method and a scheduling device technology, applied in the computer field, can solve the problems of lack, prone to deadlock, and scheduling method prone to deadlock, etc., and achieve the effect of avoiding deadlock.
Active Publication Date: 2014-10-15
DAWNING INFORMATION IND BEIJING +1
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[0003] For multicast packets, in most implementations, it is always necessary to wait for all the destination ports of the same group to respond before sending them. When multiple multicast packets are waiting to be sent at the same time, and the same destination port belongs to multiple multicast groups, deadlock is prone to occur.
[0004] The disadvantage of the existing technology is that the existing multicast packet scheduling method is prone to deadlock, and the existing technology lacks a simple and easy-to-implement solution to avoid deadlock
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[0022] In order to make the technical solutions and advantages in the embodiments of the present invention clearer, the exemplary embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, and Not an exhaustive list of all embodiments.
[0023] The inventor noticed during the invention process that in most current implementations, the structures and systems adopted by unicast packets and multicast packets are independent, and each has its own network, which consumes a lot of resources. Moreover, in the realization of multicast packets, in most cases, the destination port of the same group should respond before sending. When multiple multicast packets are waiting to be sent at the same time, and the same destination port belongs to multiple multicast groups, it is easy to occur deadlock.
[0024] In view of the above...
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The invention provides a multicast message scheduling method and device. The multicast message scheduling method comprises determining that a received message to be sent is a multicast message; determining a plurality of output ports which are contained in a multicast group according to the number of the multicast group of the multicast message; sending a connection request to the output ports when the output ports are idle and corresponding receiving port comprise the multicast message which is sent to the output ports; scheduling the multicast message to the output ports to be sent after responses of the output ports are obtained; recording the output ports that the connection request is not sent to and repeating the process until the multicast message is sent to every present output port contained in the multicast group. According to the multicast message scheduling method and device, the deadlock of the multicast message can be avoided.
Description
technical field [0001] The invention relates to the field of computer technology, in particular to a multicast message scheduling method and device. Background technique [0002] In most current implementations, the structures and systems adopted by unicast packets and multicast packets are independent, and each has its own network. [0003] For multicast packets, in most implementations, it is always necessary to wait for all the destination ports of the same group to respond before sending them. When multiple multicast packets are waiting to be sent at the same time, and the same destination port belongs to multiple multicast groups, deadlock is prone to occur. . [0004] The disadvantage of the prior art is that the existing multicast packet scheduling method is prone to deadlock, and the prior art lacks a simple and easy-to-implement solution for avoiding the deadlock. Contents of the invention [0005] Embodiments of the present invention provide a method and device...
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Inventor 刘兴奎杨晓君杨磊
Owner DAWNING INFORMATION IND BEIJING