Interface conversion device and stream control implementing method
An interface conversion and interface technology, applied in the field of communication, can solve problems such as traffic congestion, other channel blocking, and the inability of flow control information to be transmitted on the data channel.
Inactive Publication Date: 2015-05-20
ZTE CORP
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Problems solved by technology
If the interface conversion unit is not channelized, all its processing resources are shared. Obviously, such indirect transmission of flow control information is unreliable, and the flow control of a certain channel will cause other channels to be blocked.
[0005] However, due to the different interface standards, such as figure 1 figure 2 As shown, the flow control information is directly transmitted and the flow control information is converted into a flow control message / unpacked flow control message, such as image 3 The shown interface conversion device converts the flow control frame of the CSIX interface into a data message of the SPI4 interface, and uses the data channel to transmit the flow control information. In this way, in the case of a large flow rate of the data channel, it is converted into the flow control information of the data message format Unable to transmit on the data channel, and then unable to perform flow control operations according to the flow control information, resulting in traffic congestion
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[0033] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0034] Figure 4 is a structural block diagram of an interface conversion device according to an embodiment of the present invention, such as Figure 4 As shown, the interface conversion device includes: a flow control state capture module 20, a flow control conversion module 40, and a flow control control module 50. The above structure is described in detail below:
[0035] The flow control state capture module 20 is used to capture the first flow control information of the first interface; the flow control conversion module 40 is connected to the flow control state capture module 20 and is used to convert the first flow control information captured by the flow control state capture module 20 into...
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The invention discloses an interface conversion device and a stream control implementing method. The device comprises a stream control state capturing module, a stream control conversion module and a stream control module, wherein the stream control state capturing module is used to capture the first stream control information of a first interface; the stream control conversion module is used to convert the first stream control information to second stream control information with the format supported by a second interface connected with the first interface; and the stream control module is used to control the second interface according to the second stream control information. By using the device of the invention, stream control information can be transmitted fast and efficiently.
Description
technical field [0001] The present invention relates to the communication field, in particular to an interface conversion device and a flow control implementation method. Background technique [0002] At present, data communication equipment / network equipment that supports large capacity and smooth expansion is mostly implemented by using a distributed switching fabric (Switch Fabric), using network processors or multi-core processors and switching chips. Each switching node in the whole system communicates through the large-capacity central switching node, and smoothly expands capacity by increasing the number of switching nodes. [0003] Due to the imbalance and burst of traffic in the system, the central switching node and each switching node transmit flow control information between each node through a set of flow control mechanism. Each switching node needs to respond to the flow control information in time, and control the switching node according to the flow control ...
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IPC IPC(8): H04L29/10H04L12/931
Inventor 郑海树时有姚俊朱震宇
Owner ZTE CORP