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Method for transmitting service stream in flexible ethernet and apparatus

專(zhuān)利號(hào)
US11178066B2
公開(kāi)日期
2021-11-16
申請(qǐng)人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Qiwen Zhong; Qiuyou Wu
IPC分類(lèi)
H04L12/911; H04L12/801; H04L12/857; H04L12/811; H04L12/869; H04L12/851
技術(shù)領(lǐng)域
timeslot,physical,connection,table,overhead,management,channel,group,virtual,in
地域： Shenzhen

摘要

Embodiments provide a method for transmitting a service stream in a flexible Ethernet and an apparatus. The method includes: obtaining a to-be-transmitted service stream, where the service stream is to be transmitted by using a target virtual connection supported by a physical connection group between a transmit end and a receive end, the physical connection group includes multiple physical connections and supports at least one virtual connection, and the target virtual connection is any one of the at least one virtual connection; determining, from total bandwidth resources of the multiple physical connections and according to timeslot configuration tables used by the multiple physical connections, a timeslot bandwidth resource that belongs to the target virtual connection; and transmitting the service stream to the receive end by using the timeslot bandwidth resource that belongs to the target virtual connection.

說(shuō)明書(shū)

Optionally, in an embodiment, the management channel is further used to negotiate a change of the timeslot configuration table based on the protocol packet.

It should be understood that the management channel being further used to negotiate a change of the timeslot configuration table based on the protocol packet may include the following. When the timeslot configuration table changes, the transmit end sends a request packet over the management channel, where the request packet carries the content of the changed timeslot configuration table. The transmit end receives a response packet from the receive end, where the response packet is used to instruct the receive end to determine the change of the timeslot configuration table. Alternatively, the transmit end receives a response packet from the receive end, where the response packet is used to instruct the receive end to deny the change of the timeslot configuration table. In this case, the transmit end may send a request packet again before an acknowledgment is received from the receive end.

Table 4 shows a format of a protocol packet transmitted over a management channel. Client ID Label for Slot o is used to indicate an identifier of a virtual connection to which a timeslot o of a current physical connection belongs. Likewise, Client ID Label for Slot m is used to indicate an identifier of a virtual connection to which a timeslot m of the current physical connection belongs. In addition, a field that is used to indicate a start location and an end location of the packet, a CRC check field, or the like may be further added into the packet. This is not specifically limited in this embodiment of the present invention.

權(quán)利要求

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