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Business function chain processing method and device

A technology for business functions and processing methods, applied in the field of business function chain processing methods and devices, can solve the problems of data traffic forwarding failure, inability to send packets directly to user terminals, and no solutions are proposed, so as to improve the success rate and improve The effect of data forwarding performance

Active Publication Date: 2019-07-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the SFC manages multiple CPE devices, and the SFC is not directly connected to the user terminal, the SFC cannot directly send the processed packets to the user terminal.
[0014] For the problem in related technologies that SFC does not send the forwarding table created by it to the forwarding device, resulting in the failure of data traffic forwarding, no effective solution has been proposed so far.

Method used

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  • Business function chain processing method and device
  • Business function chain processing method and device
  • Business function chain processing method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] Figure 9 It is a schematic diagram of message interaction and forwarding table distribution according to preferred embodiment 1 of the present invention, please refer to Figure 9 , the process can include the following steps:

[0087] Step S902, the user configures the forwarding table delivery switch to be forwarded by the forwarding device;

[0088] The process of outbound traffic processing (that is, processing the data traffic sent from the internal network to the external network), specifically includes:

[0089] Step S904, the intranet terminal sends a message to access the Internet, and after passing through a series of network devices, it arrives at such Figure 9 The forwarding device shown

[0090] Step S906, the forwarding device (router) receives the message, searches the forwarding table, but does not find the corresponding forwarding table item, then sends the message to the service classification component, and sends it to the SFC node after being pr...

Embodiment 2

[0106] Figure 12 is a schematic diagram of message interaction according to preferred embodiment 2 of the present invention, please refer to Figure 12 , the process can include the following steps:

[0107] Step S1202, the user configures the loopback flag to be on.

[0108] The process of outbound traffic processing (that is, processing the data traffic sent from the internal network to the external network), specifically includes:

[0109] Step S1204, the intranet terminal sends a message to access the Internet, and after passing through a series of network devices, it reaches the forwarding device as shown in the figure;

[0110] Step S1206, the router receives the message, sends the message to the service classification component, after being processed by the component, sets the loopback flag in the Network Service Header of the metadata, and sends it to the SFC node;

[0111] In step S1208, the SFC node checks the forwarding table according to the received message, b...

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Abstract

The invention discloses a business function chain processing method and device. Wherein, the method includes: the service function chain (SFC) receives the message sent by the forwarding device; the SFC generates a forwarding table corresponding to the message; when the state of the pre-set forwarding table delivery switch is on, the SFC will forward The report is sent to the forwarding device, so that when the forwarding device receives the message, it can forward the message according to the forwarding table, wherein the forwarding table delivery switch is used to indicate whether the SFC sends the forwarding table to the forwarding device. Through the present invention, the effect of improving the success rate of SFC forwarding data is achieved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and device for processing a service function chain. Background technique [0002] SFC (Service Function Chaining, business function chain) is a network technology that is currently being researched and standardized. Since the data center network has developed into an overlay network, the edge of the network has become the dividing point between the virtual network and the physical network. The edge of the network is a server or a ToR, and it may also be a gateway. However, the Overlay technology does not solve all problems. There are still a lot of Middleware in the data center, such as firewalls / load balancers. [0003] This deployment model of the data center requires that the virtual firewall / load balancer can be deployed arbitrarily in the network, that is, it has nothing to do with the network topology. This creates a new problem: how to flexibly process traffic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/701H04L45/74
CPCH04L12/6418H04L45/306H04L45/38H04L45/745H04L61/5014H04L45/54H04L45/64H04L61/256
Inventor 孟伟王翠吴波范亮
Owner ZTE CORP
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