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Data center two-layer interconnection method and device

A layer-2 interconnection and data center technology, applied in the field of communication, can solve the problem of large-scale MAC addresses, etc., and achieve the effect of reducing the scale and solving the problem of excessive scale

Inactive Publication Date: 2012-02-15
NEW H3C TECH CO LTD
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  • Abstract
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Problems solved by technology

[0009] In view of this, the present invention provides a data center two-layer interconnection method, which can solve the problem of excessive MAC address scale

Method used

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  • Data center two-layer interconnection method and device
  • Data center two-layer interconnection method and device
  • Data center two-layer interconnection method and device

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and examples.

[0029] The main idea of ​​the present invention is: enable MAC forced forwarding (MFF) on the edge equipment of data center site; According to the MFF mechanism agent forwards the ARP request and the ARP response from inside the data center site or from the remote data center site, and according to The received ARP response records the corresponding ARP information; when receiving a service message from within the data center site or from a remote data center site, modify and proxy forward the service according to the ARP information corresponding to the destination IP address of the service message packets to realize Layer 2 interconnection of data centers.

[0030] Here, the main function of MFF is to implement ARP proxy: the Etherne...

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Abstract

The invention provides a data center two-layer interconnection method and a device. The method comprises the following steps of: previously enabling MAC-MFF (Media Access Control-Forced Forwarding) on edge equipment, forwarding an ARP (Address Resolution Protocol) request and ARP response according to an MFF mechanism proxy and learning ARP information according to received ARP response; and amending a source MAC address of a service message into an MAC address of the edge equipment when the service message is received, searching the corresponding ARP information according to a destination IP (Internet Protocol) address of the service message, amending the destination MAC address of the service message according to the searched ARP information, and forwarding the amended service message. By adopting the method and the device, the problem of overlarge MAC address scale during data center two-layer interconnection can be solved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for two-layer interconnection of a data center. Background technique [0002] The traditional Internet data center (IDC) mainly sells bandwidth and cabinet space, hosts hosting, provides services such as network connectivity, and provides infrastructure services in units of computer rooms. With the rapid development of the IT industry and the explosive growth of user traffic, the operator IDC is facing unprecedented difficulties, such as: limited space resources, unbalanced development of high-end and low-end computer rooms, low utilization of hardware resources, construction And operating costs are high, the business structure is single, business competition and technology development pressure are high, etc. [0003] At present, the only way to solve the plight of operators is to implement cloud computing services, improve equipment utilizatio...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/08H04L29/12
CPCH04L61/103H04L12/462H04L49/602
Inventor 李蔚
Owner NEW H3C TECH CO LTD
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