A small form-factor device implementing protocol conversion

A small, protocol translation technology, applied in the direction of coupling devices, two-part connection devices, data exchange through path configuration, etc., can solve the problems of no teaching protocol translation, no teaching, etc.

Inactive Publication Date: 2008-02-27
RAD DATA COMMUNICATIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, Engel et al. do not teach the use of such transceiver modules for low-rate TDM links
Furthermore, Engel et al. do not teach protocol translation in this setup

Method used

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  • A small form-factor device implementing protocol conversion
  • A small form-factor device implementing protocol conversion
  • A small form-factor device implementing protocol conversion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] As previously mentioned, the invention can be exemplified by any small form factor (eg, SFF, SFP, GBIC, etc.). The high-speed network is usually 100Mbit / s or 1Gbit / s Ethernet, 155 or 622Mbit / s SONET / SDH or ATM with the same speed, but can also have other speeds or can be composed of any packet-oriented or frame-oriented high-speed network composition. Low-rate TDM links are typically T1, E1, T3, or E3, but can be any synchronous serial digital network of appropriate rate.

[0050] In a first embodiment, Ethernet frames are transmitted over long distances over a TDM link or network. The small transceiver module is connected to an appropriate port of a standard Ethernet (eg 10Mbit / s, 100Mbit / s or 1Gbit / s Ethernet) switch connected to the first Ethernet. Inside the small module, Ethernet frames are encoded into framed or unframed T1 or E1 bit streams using HDLC, Ethernet over LAPS, or GFP. This bit stream is then encoded with an appropriate line code (eg, AMI, B8ZS, HDB...

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Abstract

A small form-factor transceiver module performs protocol translation, in addition to the conventional electrical and / or optical transmission media conversion. Such protocol conversion may enable transport of traffic from limited-range primary networks over long-range secondary networks, such as extension of Ethernet networks over low-rate TDM links. Additionally, such protocol conversion may enable interworking between different networks of differing technologies, such as transport of ATM traffic over Ethernet networks. The transceiver module may be a Small Form Factor transceiver (SFF), Small Form Factor pluggable module (SFP), Gigabit Interface Converter (GBIC) or any similar small form-factor module consisting of a housing, internal electronic circuitry and optionally optical components, and associated electrical or optical connectors. The transceiver module performs protocol translation by means of an integral protocol translation unit that performs standards-based or proprietary conversion between network protocols.

Description

technical field [0001] The present invention relates generally to the field of digital communication networks such as Ethernet, ATM, SONET / SDH, IP, MPLS and low speed TDM networks, and more particularly to facilitating the interconnection of these networks. More specifically, the present invention consists of small devices capable of standards-based or proprietary interworking between different types of networks, such as transporting Ethernet frames, IP packets or ATM cells over TDM links , or transport ATM or TDM traffic over Ethernet, IP or MPLS networks. Background technique [0002] With the explosive growth of the data transmission rate of the backbone network, the edge switch needs to provide more and more branch lines, and thus needs more and more ports. For example, a 10Mit / s Ethernet hub usually only has 4 or 8 ports, while a Gigabit Ethernet (GbE-IEEE 802.3z) switch usually has 48 or 60 ports. Therefore, there is a need to miniaturize the physical interface inclu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH01R31/065H01R23/025H01R24/64H01R2201/04H04L29/06068H04L69/08H04L12/66H04L12/28
Inventor 雨果·西尔贝曼雅各布·斯坦
Owner RAD DATA COMMUNICATIONS
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