Client/server adaptation scheme for communications traffic

A client and adaptation layer technology, applied in the field of mapping protocols, can solve problems such as incapable client service encapsulation, low bandwidth efficiency, and non-existent identification

Inactive Publication Date: 2010-12-22
BRITISH TELECOMM PLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to obtain an Ethernet type, an application is submitted to the IEEE Ethernet standard body, which is a time-consuming process
[0008] Therefore, the problem is that client traffic cannot be encapsulated in bearer-level Ethernet unless an Ethernet type already exists for that client traffic type
However, this can lead to a bandwidth-inefficient mapping scheme
[0010] Conventionally, it is not possible for an Ethernet frame to carry more than one type of client traffic in its payload, since there is no mechanism to identify the type of client traffic involved

Method used

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  • Client/server adaptation scheme for communications traffic
  • Client/server adaptation scheme for communications traffic
  • Client/server adaptation scheme for communications traffic

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Embodiment Construction

[0072] The best mode of the present invention will now be described. Those of ordinary skill in the art will appreciate that the description of the present invention has been simplified for clarity and that the description of the invention may omit explicit reference to features that are obvious and known to those of ordinary skill in the art and are essential to the practice of the invention. , such features are implicitly included in the description of the present invention. The description may also omit mentioning alternative features that are functionally equivalent to those described herein, and where such alternatives are known to those of ordinary skill in the art, their inclusion is also implied by reference.

[0073] Figure 1A A communication system 10 is shown that includes a bearer network 22 configured to transport one or more types of communication data using an Ethernet communication protocol. In the communication system 10 , a communication link 20 is establis...

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Abstract

A communications network provides a carrier Ethernet service without requiring the client signal to be identified by an Ethertype in a carrier Ethernet frame. A plurality of differing types of client signals can thus be encapsulated within the same carrier Ethernet service channel by using a generic framing procedure adaptation layer. The client signals are adapted for encapsulation within the carrier Ethernet frames by mapping the client signal within a generic framing procedure adaptation layer signal and then by mapping the generic framing procedure adaptation layer signal into the carrier Ethernet signal. As the client signal is identified within said generic framing procedure signal only a generic framing signal Ethertype is required. The mapping protocol enables a single Ethernet frame to carry a plurality of client signals.

Description

technical field [0001] The present invention relates to a method of adapting client communication traffic to be encapsulated within a bearer class Ethernet by providing an appropriate client / server adaptation mapping protocol for traffic in a communication network, and related aspects thereof. [0002] In particular but not exclusively, the present invention relates to a mapping protocol for mapping multiple different types of client traffic into Ethernet traffic for transmission over an Ethernet bearer network, which eliminates the need for individual Ethernet types To identify different types of client services. Background technique [0003] Ethernet was originally conceived as a connectionless packet-based communication protocol for local area networks where each packet consisted of an Ethernet frame. Here, the term "packet" refers to a unit of data at any layer of the protocol stack, before or after transmission, while the term "frame" refers to a data link (network acc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46
CPCH04L12/4633
Inventor 尼尔·哈里森艾伦·麦奎尔
Owner BRITISH TELECOMM PLC
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