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Method for modem to learn business permanent virtual circuit and DSLAM (Digital Subscriber Line Access Multiplexer)

A modem and virtual circuit technology, applied in electrical components, telephone communication, transmission systems, etc., can solve the problems of learning PVC confusion and only learning, and achieve the effect of improving compatibility and achieving simplicity

Inactive Publication Date: 2011-07-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method and DSLAM for Modem to learn business PVC, to overcome the defect that existing Modem learns PVC is chaotic or only learns non-business PVC

Method used

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  • Method for modem to learn business permanent virtual circuit and DSLAM (Digital Subscriber Line Access Multiplexer)
  • Method for modem to learn business permanent virtual circuit and DSLAM (Digital Subscriber Line Access Multiplexer)
  • Method for modem to learn business permanent virtual circuit and DSLAM (Digital Subscriber Line Access Multiplexer)

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Embodiment Construction

[0041] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0042] Such as figure 2 As mentioned, in this embodiment, the method for the Modem to learn the service PVC includes:

[0043] Step 10, DSLAM closes all PVCs pre-configured on the port between it and the above-mentioned Modem;

[0044] In this way, it can be guaranteed that the downlink data flow will not be sent to the Modem;

[0045] Step 20, the DSLAM initiates a chain establishment process to the above-mentioned Modem;

[0046] Step 30, after establishing the link successfully, the DSLAM opens the service PVC preset in all the above-mentioned PVCs for communicating with the above-mentioned Modem, and sends a data packet to the above-mentioned Modem through the service PV...

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Abstract

The invention relates to a method for a modem to learn a service permanent virtual circuit (PVC) and a DSLAM (Digital Subscriber Line Access Multiplexer). The method comprises the following steps: the DSLAM closes all PVCs preconfigured on a port between the DSLAM and the modem and initiates a link establishment flow to the modem; after link establishment is succeeded, the DSLAM opens the service PVC used for communicating with the modem in all the PVCs and sends a data packet through the business PVC; and the modem learns the service PVC through the received data packet. The method is easy to realize and can support a DSL terminal automatically configured with the PVC to effectively, preferentially and automatically configure the required service PVC. Meanwhile, a DSL (Digital Subscriber Line) terminal for supporting and fixing multiple PVCs can also support the access of multiple PVCs, so that the preferable and automatic configuration and local / terminal compatibility requirements for the service PVC are simply and effectively met.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a method for a modem to learn a permanent virtual circuit (PVC) and a DSLAM (Digital Subscriber Line Access Multiplexer). Background technique [0002] With the rapid development and popularization of the Internet, some hot applications such as IPTV (Internet TV), VOIP (Voice over Internet Protocol, Internet telephony), video surveillance, conference TV, high-speed Internet access and other value-added services are continuously launched, personal and business users There is an increasing demand for broadband access. Among the current broadband access technologies, the digital subscriber loop (xDigital Subscribe Line, referred to as xDSL) technology can make full use of existing copper wire resources, allowing users to enjoy exclusive and stable bandwidth, and has the advantages of good confidentiality and increasingly mature performance. Advantages, has bec...

Claims

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Application Information

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IPC IPC(8): H04M11/06H04L29/06
Inventor 吴洲
Owner ZTE CORP
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