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US 11,108,734 B2Granted
Error indication processing and system, and device
AssigneeHuawei Technologies Co., Ltd.
InventorsYu Yin, Caixia Qi
Life of this patent
Estimating the term…
Abstract
The present disclosure provides an error indication processing method and system, and a device, and relates to the field of communications technologies, to resolve a problem that normal transmission of a service data packet is affected due to an inconsistency between contexts of an access node and a user plane network element in a next generation mobile communications network.
Claims20
An error indication processing method, wherein the method comprises:
- receiving, by a forwarding node, an error indication message sent by an access node, wherein the error indication message comprises a tunnel endpoint identifier (TEID) of the access node and an Internet Protocol (IP) address of the access node, and wherein the TEID in a tunneling protocol header in the error indication message is an invalid TEID;
- and
- sending, by the forwarding node, the error indication message to a first user plane network element based on the invalid TEID, wherein the error indication message is used to instruct the first user plane network element to send an error notification message to a control plane network element, wherein the error indication message is a message sent by the access node to the forwarding node after the access node receives a service data packet sent by a second user plane network element, but does not find a context corresponding to the TEID of the access node and the IP address of the access node;
- and the service data packet comprises the TEID of the access node and the IP address of the access node.
1 more element
A forwarding node, wherein the forwarding node comprises:
- a transceiver configured to:
- receive an error indication message sent by an access node, wherein the error indication message comprises a tunnel endpoint identifier (TEID) of the access node and an Internet Protocol (IP) address of the access node, and the TEID in a tunneling protocol header in the error indication message is an invalid TEID;
- and
- send the error indication message to a first user plane network element based on the invalid TEID in the error indication message received by the transceiver, wherein the error indication message is used to instruct the first user plane network element to send an error notification message to a control plane network element, wherein the error indication message is a message sent by the access node to the forwarding node after the access node receives a service data packet sent by a second user plane network element, but does not find a context corresponding to the TEID of the access node and the IP address of the access node;
- and the service data packet comprises the TEID of the access node and the IP address of the access node.
2 more elements
A user plane network element, wherein the user plane network element comprises:
- a transceiver configured to:
- receive an error indication message sent by a forwarding node, wherein the error indication message comprises a tunnel endpoint identifier (TEID) of an access node and an Internet Protocol (IP) address of the access node, and the TEID in a tunneling protocol header in the error indication message is an invalid TEID, wherein the error indication message is a message sent by the access node to the forwarding node after the access node receives a service data packet sent by a second user plane network element, but does not find a context corresponding to the TEID of the access node and the IP address of the access node;
- and the service data packet comprises the TEID of the access node and the IP address of the access node;
- and
- send an error notification message to a control plane network element based on the error indication message, wherein the error notification message carries the TEID of the access node and the IP address of the access node, or carries a context identifier corresponding to the TEID of the access node and the IP address of the access node.
2 more elements
A control plane network element, wherein the control plane network element comprises:
- a transceiver configured to receive an error notification message sent by a first user plane network element, wherein the error notification message carries a tunnel endpoint identifier (TEID) of an access node and an Internet Protocol (IP) address of the access node, wherein the error notification message is in response to that the first user plane network element receives an error indication message from a forwarding node after the access node receives a service data packet, but does not find a context corresponding to the TEID of the access node and the IP address of the access node, and the service data packet comprises the TEID of the access node and the IP address of the access node;
- and
- at least one processor;
- and
- a non-transitory computer-readable storage medium coupled to the at least one processor and storing programming instructions for execution by the at least one processor, wherein the programming instructions instruct the at least one processor to:
- query, based on the TEID of the access node and the IP address of the access node, the context corresponding to the TEID of the access node and the IP address of the access node;
- and
- determine the access node and a second user plane network element based on information comprised in the context;
- and
- re-establish a context that is in the access node and that corresponds to the TEID of the access node and the IP address of the access node, or delete a context that is in the second user plane network element and that corresponds to the TEID of the access node and the IP address of the access node.
7 more elements
A control plane network element, wherein the control plane network element comprises:
- a transceiver configured to receive an error notification message sent by a first user plane network element, wherein the error notification message carries a context identifier, wherein the error notification message is in response to that the first user plane network element receives an error indication message from a forwarding node after an access node receives a service data packet, but does not find a context corresponding to a tunnel endpoint identifier (TEID) of the access node and an Internet Protocol (IP) address of the access node, and the service data packet comprises the TEID of the access node and the IP address of the access node;
- and
- at least one processor;
- and
- a non-transitory computer-readable storage medium coupled to the at least one processor and storing programming instructions for execution by the at least one processor, wherein the programming instructions instruct the at least one processor to:
- query, based on the context identifier, a context corresponding to the context identifier;
- determine the access node and a second user plane network element based on information comprised in the context;
- and
- re-establish a context that is in the access node and that corresponds to the TEID of the access node and the address of the access node, or delete a context that is in the second user plane network element and that corresponds to the TEID of the access node and the IP address of the access node.
6 more elements
An error indication processing system, comprising:
- a forwarding node;
- a first user plane network element;
- and
- a control plane network element, wherein:
- the forwarding node is configured to:
- receive an error indication message from an access node, wherein the error indication message comprises a tunnel endpoint identifier (TEID) of the access node and an Internet Protocol (IP) address of the access node, and the TEID in a tunneling protocol header in the error indication message is an invalid TEID, and
- send the error indication message to the first user plane network element based on the invalid TEID in the error indication message, wherein the error indication message is a message sent by the access node to the forwarding node after the access node receives a service data packet, but does not find a context corresponding to the TEID of the access node and the IP address of the access node;
- and the service data packet comprises the TEID of the access node and the IP address of the access node;
- the first user plane network element is configured to:
- receive the error indication message from the forwarding node;
- and
- send an error notification message to the control plane network element based on the error indication message, wherein the error notification message carries the TEID of the access node and the IP address of the access node, or carries a context identifier corresponding to the TEID of the access node and the IP address of the access node;
- and
- the control plane network element is configured to:
- receive the error notification message sent by the first user plane network element;
- and
- process, according to a first preset processing policy, the context corresponding to the TEID of the access node and the IP address of the access node, or process, according to a second preset processing policy, a context corresponding to the context identifier.
14 more elements
An error indication processing method, wherein the method comprises:
- receiving, by a forwarding node, an error indication message sent by an access node, wherein the error indication message comprises a tunnel endpoint identifier (TEID) of the access node and an Internet Protocol (IP) address of the access node, and wherein the TEID in a tunneling protocol header in the error indication message is an invalid TEID;
- and
- sending, by the forwarding node, the error indication message to a first user plane network element based on the invalid TEID, wherein the error indication message is used to instruct the first user plane network element to send an error notification message to a control plane network element, wherein the error indication message is a message sent by the access node to the forwarding node after the access node receives a service data packet, but does not find a context corresponding to the TEID of the access node and the IP address of the access node;
- and the service data packet comprises the TEID of the access node and the IP address of the access node;
- receiving, by the first user plane network element, the error indication message;
- and
- sending, by the first user plane network element, the error notification message to the control plane network element based on the error indication message, wherein the error notification message carries the TEID of the access node and the IP address of the access node, or carries a context identifier corresponding to the TED of the access node and the IP address of the access node;
- receiving, by the control plane network element, the error notification message sent by the first user plane network element;
- and
- processing, by the control plane network element, according to a first preset processing policy, the context corresponding to the TEID of the access node and the IP address of the access node, or processing, by the control plane network element, according to a second preset processing policy, a context corresponding to the context identifier.
7 more elements
Dependencies are inferred from the claim text.