A method to process multicast stream and network equipment

A technology of network equipment and processing method, which is applied to data exchange networks, devices that provide special services in branches, details of data exchange, etc., can solve problems such as inability to receive data, and achieve the effect of reducing requirements, reducing bandwidth burden, and reducing costs.

Active Publication Date: 2010-06-30
HEWLETT-PACKARD ENTERPRISE DEV LP
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

In IP multicast, the source host only sends one copy of data, and the destination address in this data is the address of the multicast group, and all receivers in the multicast group can receive the same data copy, but only the multicast group Only the receivers in the network can receive the data, and other hosts in the network cannot receive the data because they are not in the multicast group

Method used

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  • A method to process multicast stream and network equipment
  • A method to process multicast stream and network equipment
  • A method to process multicast stream and network equipment

Examples

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Embodiment Construction

[0041] The core idea of ​​the multicast flow processing method of the present invention and the network device applying the method is: the network device associates the session and the multicast flow between the network device and the storage device, and after the network device receives the multicast flow of the signal source device, , converting the multicast stream into a unicast stream according to the association relationship and sending it to the storage device for storage.

[0042] Here, the signal source device only needs to be used as a multicast source, and the related processing of the storage stream is performed on the network device.

[0043] Below, the present invention will be described in detail by taking a specific network structure in which the network device is a layer-3 device (such as a layer-3 switch, a layer-3 router, etc.), and the session between the network device and the storage device is an ISCSI session as an example.

[0044] The multicast network...

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Abstract

The disclosed process method for multicast flow comprises: S1. Creating dialogue between the network device and storage device; S2. Combining the dialogue with multicast in the network device; and S3. Converting the multicast flow into a single-cast flow to send to the storage device according to former relation. This invention reduces chain bandwidth load and requirement on signal source device,and decreases cost efficiently.

Description

technical field [0001] The invention relates to multicast technology, in particular to a processing method and a network device for writing multicast streams into a storage device. Background technique [0002] IP multicast refers to sending data packets to a certain subset of nodes in the network on an IP network. This subset is called a multicast group (Multicast Group), and the multicast group address uses a class D IP address. In IP multicast, the source host only sends one copy of data, and the destination address in this data is the address of the multicast group, and all receivers in the multicast group can receive the same data copy, but only the multicast group Only the receivers in the network can receive the data, and other hosts in the network cannot receive the data because they are not in the multicast group. [0003] Internet Small Computer System Interface (Internet Small Computer System Interface, ISCSI) protocol is to use Transmission Control Protocol (Tra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/02H04L12/18H04L12/56H04L29/06
CPCH04L12/18H04L45/16
Inventor 周迪
Owner HEWLETT-PACKARD ENTERPRISE DEV LP
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