Abstract: A sample processing apparatus (100) and a use method therefor. The sample processing apparatus (100) comprises a uniform mixing mechanism (130) and a magnetic attraction mechanism (140). The sample processing apparatus (100) further comprises at least one of a sample tube (110) and a reaction tube (120). The uniform mixing mechanism (130) is configured to perform uniform mixing processing on a biological sample in the sample tube (110) and/or a biological sample in the reaction tube (120). The magnetic attraction mechanism (140) comprises a magnet (141). The magnet (141) can move relative to the sample tube (110) and/or the reaction tube (120), so as to perform magnetic attraction processing on the biological sample in the sample tube (110) and/or the biological sample in the reaction tube (120).

Abstract: An automatic extraction device and a use method therefor. The automatic extraction device comprises a sample processing apparatus (100), a portal frame (200), a consumable assembly (300), and a pipetting apparatus (400). The sample processing apparatus (100) comprises a uniform mixing mechanism (130) and a magnetic attraction mechanism (140), which are respectively used for performing uniform mixing processing and magnetic attraction processing on a biological sample. The portal frame (200) comprises a base (201) and a moving beam (202) capable of moving relative to the base (201). The sample processing apparatus (100) and the consumable assembly (300) are provided on the base (201). The pipetting apparatus (400) is provided on the moving beam (202) for implementing a pipetting operation between the consumable assembly (300) and the sample processing apparatus (100).

Abstract: Provided is a message encapsulation and de-encapsulation method and device, a storage medium, and an electronic device. The message encapsulation method includes: encapsulating a bit indexed explicit replication (BIER) header in an IPv6 extended header of an IPv6 message in combination with a generic fragmentation header (GFH), a generic encapsulating security payload (GESP), or a generic authentication header (GAH). The problem in the related art of how to combine a GFH mechanism with a BIER header encapsulated in an IPv6 extended header can be solved; when the BIER header is encapsulated in the IPv6 extended header, the BIER header can be combined with the GFH/GESP/GAH, thereby simply and efficiently realizing fragmentation, encapsulating security and authentication functions of a BIER multicast message.

Abstract: Provided in the embodiments of the present disclosure are a data processing method and apparatus, a storage medium, and an electronic apparatus. The data processing method includes: receiving a multicast packet requiring Service Function Chaining (SFC) processing; encapsulating the multicast packet to obtain a target packet after encapsulation, wherein the target packet comprises an SFC path indication and an egress device-based Bit Indexed Explicit Replication (BIER) header; and sending the target packet to at least one Service Function Forwarder (SFF) according to the SFC path indication, wherein a last-hop SFF is used for sending the multicast packet to at least one egress device according to the egress device-based BIER header, so that the target packet reaches the egress device.

Abstract: A multicast traffic transmission method includes: detecting (S201) whether a transmission link between a designed forwarder (DF) and a traffic reception device is abnormal; and when the transmission link between the DF and the traffic reception device is abnormal, sending (S202) a first request to a backup designed forwarder (BDF). A packet of the first request includes a protection mark and address information about the traffic reception device, and the first request is used for requesting the BDF to forward traffic to the traffic reception device.

Abstract: Disclosed are a method and a device for automatically implementing IOAM encapsulation, and a storage medium. The method comprises: sending, at an IOAM ingress node, a first message carrying IOAM configuration request information to an IOAM centralized configuration point; receiving, at the IOAM ingress node, a second message carrying IOAM configuration information of IOAM transmission nodes sent from the IOAM centralized configuration point; and performing, at the IOAM ingress node, IOAM encapsulation on a service data message according to the IOAM configuration information of the IOAM transmission nodes.

Abstract: The present disclosure relates to an information processing method, comprising: encapsulating, in a link layer discovery protocol data unit (LLDPDU), bit indexed explicit replication (BIER) bit string length information of a first node; and sending to a second node the LLDPDU, wherein the second node is an adjacent node of the first node, and the BIER bit string length information of the first node is used to forward BIER traffic. The present disclosure also relates to an information processing device.

Abstract: A multicast traffic transmission method includes: detecting (S201) whether a transmission link between a designed forwarder (DF) and a traffic reception device is abnormal; and when the transmission link between the DF and the traffic reception device is abnormal, sending (S202) a first request to a backup designed forwarder (BDF). A packet of the first request includes a protection mark and address information about the traffic reception device, and the first request is used for requesting the BDF to forward traffic to the traffic reception device.

Abstract: Disclosed are a method and a device for automatically implementing IOAM encapsulation, and a storage medium. The method comprises: sending, at an IOAM ingress node, a first message carrying IOAM configuration request information to an IOAM centralized configuration point; receiving, at the IOAM ingress node, a second message carrying IOAM configuration information of IOAM transmission nodes sent from the IOAM centralized configuration point; and performing, at the IOAM ingress node, IOAM encapsulation on a service data message according to the IOAM configuration information of the IOAM transmission nodes.

Abstract: A service node capability processing method and apparatus, a service classifier and service controller are described. The method includes: determining an exchange information set of service nodes on a service function chaining for processing a data packet, wherein the exchange information set includes an intersection of capabilities of the service nodes on the service function chaining; and encapsulating the exchange information set in the data packet, wherein the exchange information set is used for the service nodes to read a processing result which is obtained by processing capability corresponding to the intersection of the capabilities of the service nodes and which is encapsulated in the data packet. In such a fashion, the problem in the related technology is addressed that the blind information exchange causes the waste of resources since the information exchange between nodes is untargeted, and consequentially effectively avoids the waste of field resources by invalid information exchange.

Abstract: The present disclosure relates to an information processing method, comprising: encapsulating, in a link layer discovery protocol data unit (LLDPDU), bit indexed explicit replication (BIER) bit string length information of a first node; and sending to a second node the LLDPDU, wherein the second node is an adjacent node of the first node, and the BIER bit string length information of the first node is used to forward BIER traffic. The present disclosure also relates to an information processing device.

Abstract: The embodiment of the present document provides a collaboration method in a distributed resilient network interconnected system, including: a link aggregation control protocol (LACP) system receiving system parameters notified by a distributed relay control protocol (DRCP) system, and using the system parameters of the DRCP system as system negotiation parameters of the LACP system. The embodiments of the present document further provide a link aggregation control protocol (LACP) system, wherein the LACP system includes a receiving module and a controlling module, the receiving module is configured to receive system parameters notified by a distributed relay control protocol (DRCP) system; the controlling module is configured to take the system parameters of the DRCP system as system negotiation parameters of the LACP system. The embodiment of the present document achieves a collaboration between the LACP system and the DRCP system.

Abstract: Disclosed are a method and system for information interaction between systems in a same portal in a distributed resilient network interconnection, wherein the method is applied to each system in an portal in a link aggregation group, including: sending a distributed relay control protocol (DRCP) message through an intra-portal interface, wherein at least system information of a present system is carried; after receiving a DRCP message sent by an adjacent system, if it is determined that the present system and the adjacent system can form one portal in the distributed resilient network interconnection, determining an operational Key value of the present system. The system includes: a sending state machine, a receiving state machine, a negotiating state machine, a synchronizing state machine and a periodic sending state machine.

Abstract: Provided are a method and device for negotiating a traffic path in an LAG, wherein the method includes that an aggregation port acquires indication information, wherein the indication information is used for indicating one or more groups of services or sessions needing to be borne by the aggregation ports, each group of the services or sessions includes one or more services or sessions; the aggregation port determines multiple groups of services or sessions to be borne, and/or services or sessions currently being borne by the aggregation port; an aggregation group portal to which the aggregation port belongs, performs traffic distribution according to services or sessions currently being borne by each aggregation port which belongs to the aggregation group portal. It is solved the problem in the related art that the same service or session cannot be transmitted bi-directionally on the same path, thus implementing the protection on the interconnect interface.

Abstract: A service node capability processing method and apparatus, a service classifier and service controller are described. The method includes: determining an exchange information set of service nodes on a service function chaining for processing a data packet, wherein the exchange information set includes an intersection of capabilities of the service nodes on the service function chaining; and encapsulating the exchange information set in the data packet, wherein the exchange information set is used for the service nodes to read a processing result which is obtained by processing capability corresponding to the intersection of the capabilities of the service nodes and which is encapsulated in the data packet. In such a fashion, the problem in the related technology is addressed that the blind information exchange causes the waste of resources since the information exchange between nodes is untargeted, and consequentially effectively avoids the waste of field resources by invalid information exchange.

Abstract: A method and device for distributed link aggregation group service handover are disclosed in the present document. The method includes: when an unavailable port appears in a distributed link aggregation intra-end system, the intra-end system determining a service currently corresponding to the unavailable port as a service to be handed over; or, when an unavailable intra-end system appears in a distributed link aggregation portal, an adjacent intra-end system of the intra-end system determining a service currently corresponding to the unavailable intra-end system as a service to be handed over; and the intra-end system that determines the service to be handed over determining a backup port of the service according to a port sequence configured for the service in advance, canceling a corresponding relationship between the service and the unavailable port, and establishing a corresponding relationship between the service and the backup port.

Abstract: The disclosure provides a method and system for implementing a resilient network interface and interconnection. The method includes: aggregating one or multiple aggregation ports on one or multiple nodes into one DLAG; and implementing a distributed resilient network interface by the DLAG. Through the disclosure, the problem that the existing ring network and other protection technologies cannot ensure normal transmission of traffic in an arbitrary network is solved, thereby effectively ensuring normal operation of a service in the network and improving the reliability of the network interface and the utilization rate of the link.

Abstract: A method, system and controlling bridge (CB) for acquiring port extension (PE) topology information, and a method and system for processing an upstream port, wherein, the method for acquiring the port extension (PE) topology information includes: a CB receiving a link layer discovery protocol (LLDP) message sent by the PE, and perceiving an attachment of the PE; the CB receiving Extended Port Create message sent by the PE, and instantiating corresponding instantiated ports inside the CB. By adopting the above-mentioned technical scheme, the topology information of the PE connected to the CB can be obtained and a channel for forwarding data can be established, effectively.

Abstract: Disclosed are a multicast data forwarding method and device supporting a virtual terminal. The method includes: a bridge forwarding module receiving multicast data sent by an end station and determining output ports; when a certain output port is the same with the input port of the multicast data and the input port has enabled reflective relay function, not carrying Ingress extended channel identifier (Ingress_E-CID) in the forwarded message information or the value of the Ingress_E-CID being zero. By modifying the source port filtering mechanism, the present invention enables a Port Extender (PE) supporting the virtual terminal technology to transmit and receive data normally while multicasting.

Abstract: The embodiment of the present document provides a collaboration method in a distributed resilient network interconnected system, including: a link aggregation control protocol (LACP) system receiving system parameters notified by a distributed relay control protocol (DRCP) system, and using the system parameters of the DRCP system as system negotiation parameters of the LACP system. The embodiments of the present document further provide a link aggregation control protocol (LACP) system, wherein the LACP system includes a receiving module and a controlling module, the receiving module is configured to receive system parameters notified by a distributed relay control protocol (DRCP) system; the controlling module is configured to take the system parameters of the DRCP system as system negotiation parameters of the LACP system.