WO2010145594A1

WO2010145594A1 - Method and device for transmitting data

Info

Publication number: WO2010145594A1
Application number: PCT/CN2010/074627
Authority: WO
Inventors: 孙巨揆; 马文凯
Original assignee: 中兴通讯股份有限公司
Priority date: 2009-10-21
Filing date: 2010-06-28
Publication date: 2010-12-23
Also published as: CN101674145B; CN101674145A

Abstract

The present invention discloses a method and a device for transmitting data which are used to implement data transmission in an optical network and save resources. The said method includes the following steps: multiplexing service data in each service channel into a path of service data including identifiers of each channel; encapsulating the path of service data into multiple Generic Framing Procedure (GFP) frames according to the service channel identifiers, where each frame corresponds to one service channel identifier; mapping the multiple GFP frames to each Optical Transport Network (OTN) frame channel respectively; multiplexing the GFP frame data of multiple OTN frame channels into a path of GFP frame data including the identifiers of the OTN frame channels; decapsulating a path of GFP frame data into a path of service data; and according to the identifiers of the OTN frame channels, demultiplexing a path of service data into multiple paths of service data, which are then demapped to each service channel. By the present invention, the FPGA logic resource is saved.

Description

Method and device

Wood field

This relates to the field of communications and, in particular, to methods and apparatus. Background

Picking up the wood to the plural is the long-term pattern of the city, and seeing, especially (PO) may be the ideal solution for God. In each connection, PO is different because of the low cost, transparency, and so on. The original PO wood of the model (AT), the PO wood of the e (he e), and the current general (PO) PO have promoted the rapidity of the wood. Near East

(T) The new generation of GPO, which increases the uplink and downlink rates to 2.5Gb/s, is packaged in the General Procedures (Ge e cFam g oced, GFP), and more effectively supports, including, and each, video and Each of the scorpions, Cheng Education, and so on.

(OT) is the direction of the communication wood, all customers, including the synchronization string () AT GFP and other nuclear power in the OT. How to package customers for wood in OT

wood. The mapping of GFP is done by storing the GFP line in the O k (pass road sheep) in the Middle East. GFP is mediated by GFP-mediated GFP.

At present, there are many, and in particular, the above schemes, which map GFP of each channel and each sheep to OT and map it to each channel in the mapping direction, in each channel OT and each channel, also sheep The GFP maps the rows and sends them to each channel and to each channel. The solution is that GFP mapping and demapping are used for each client and each. If you connect multiple clients and each, you need to have multiple GFP mappings and solutions. Arrays (PGs), the amount of resources occupied by customers and the increase of each other's multiple times, resulting in FPGA resources are tight. content

The methods and devices provided herein are present and resources.

Method, including

Each of the channels will be taught and taught, and each road will be taught by each channel.

And each channel encapsulates the road and teaches into multiple GFP, where GFP mediates each channel and

Map multiple GFP to each T channel separately.

The length of the GFP is fixed, and the steps of encapsulating the GFP into multiple GFPs include the fact that the GFP is not satisfied, and the space is generated to fill the GFP.

The length of GFP is fixed, and each channel on each channel is taught and taught. The method includes the definition and the length of each channel is not less than the length of GFP.

The steps of teaching each of the various channels and teaching each other include satisfying the results and teaching on each channel and teaching each other.

The above method includes the mapping of the gamma GFP to the OT channel and the generation of the null mapping to the OT channel.

Method, including

Multi-OT channel GFP-based GFP, road GFP including OT channel

Road GFP line decapsulation, get the road and teach

The OT channel will divide the road and teach each other more and teach each other, mapping to Each channel.

a device for mapping GFP to T, including

Xia Yong, who will teach each other on each channel and teach each other, including roads and teachings, including each channel.

Encapsulation mode, which encapsulates each channel into multiple GFP, where GFP mediates each channel and

Points, which map multiple GFP to each OT channel.

The upper device includes a register, and each channel is connected, and

Interacting with each channel

The length of GFP is fixed, and it is in the first memory and the teaching is not less than the length of GFP. It will satisfy the result of the first memory and teach each way.

The upper device includes a second memory, an OT channel connection,

The GFP is specific to the OT channel.

The upper device includes a rate, a second register and a medium OT channel connection, and a second memory of the second GFP, which generates an empty map to the OT channel.

Device, including

For summer use, it will multi-OT channel GFP into GFP, road GFP including OT channel

Package mode, its GFP line decapsulation, get the road and teach

Points, its OT channel will be more and more decomposed and taught, and mapped to each channel.

In this mapping, there will be more and more teaching and teaching, and only need to encapsulate the module and package the teaching into GFP, and then map to the OT channel. In the mapping, only the encapsulated GFP line decapsulation is required. Ben In the middle and multiple channels, one package mode and one package mode, and the same package mode and decapsulation mode multi-T channel. The FPGA only needs to encapsulate the functions of the module and the dielectric module, and the FPGA resources.

The main method flow of GFP mapping to OT

2 power of the main device 200

3 power of the device 200

4 Forces Median GFP mapping to OT Method flow Flow

6 power of the main device 600

7力本 Medium device 600

The preferred way of this

In this mapping, there will be more and more teaching and teaching, and only need to encapsulate the modules and package them into GFP, and then map them to the T channel. In the mapping, only one package GFP line decapsulation is required. Ben

In the middle and multiple channels, one package mode and one package mode, the same package mode and decapsulation mode multi-OT channel. The FPGA only needs to encapsulate the function of the module and the package module, and the FPGA resources.

1, the main method of mapping GFP to OT is as follows. Step 101 Steps and teaches each channel on each channel, and each channel includes each channel.

Step 102 and each channel encapsulates the path and encapsulates into multiple GFP, wherein GFP mediates each channel.

Step 103 maps multiple GFP to each T channel.

This is provided for mapping GFP to OT device 200, 2, which includes 201, package mode 202, and section 203.

The 201st is to teach each of the various channels and teach each other, and the roads and the teachings include each channel. Hugh, the 201st way is to each of the various channels on each channel, each channel and each channel 1 of each channel 1 and each of the 10 and each channel 2 of the 10 and each channel 2 and so on.

The package module 202 is rooted and each channel encapsulates each channel into multiple GFP, where GFP mediates each channel. The teachings of each channel may be encapsulated into multiple or multiple GFP. The package mode 202 encapsulates each channel in the GFP portion of the letter C).

Section 203 maps multiple GFP to each OT channel. Since each channel OT channel is 吋, each channel in the first 203 GFP maps GFP to the OT channel.

The device 200 includes a register 204, 3, and the interface 204 is connected to each channel, and is taught. The length of the GFP is fixed, and whether the teaching in the 201st memory 204 is not less than the length of the GFP will satisfy the results of the memory 204 and teach each other.

In the result of the no memory 204, the teachings may not be done. Or the result is the first memory of the memory 204, and then the result of the no memory 204 is taught.

The device 200 includes a second memory 205, and the second memory 205 is connected to the OT channel, and the GFP of the first portion 203 is connected to the OT channel.

The device 200 includes a rate 206, which is connected to the second memory 205 and the OT channel. When the GFP is in the second memory 205, an empty mapping is generated to the OT channel. GFP will be in the second memory 205 The GFP in the memory 205 is mapped to the OT channel. Rate 206 is the rate at which the OT channel is controlled, and.

4. The process of mapping the median GFP to the OT is as follows. Step 401 The buffer 204 receives and saves each channel.

Step 402: Before step 201, and in the memory 204 of each channel, whether there is enough and teach, if any, step 403, otherwise, not in the memory 204, step 405. Whether there is a foot or not means whether each of them meets the fixed length of GFP. If it is satisfied, there is a sufficient amount of teaching, otherwise there is no enough to teach. If the length of GFP is not fixed, the steps can be omitted, directly. Step 403

In step 403, the 201st memory 204 and each of the special package modules 202 are provided. The length of the GFP is fixed, and the length of the 201 GFP is stored in the buffer 204, and the length of each GFP is doubled. And each of them comes with a variety of channels.

Step 404 encapsulates the modulo 202 received and teaches each packet to obtain GFP. Step 406

Step 405, the second step is to introduce each channel and each channel, step 402

Step 406 Encapsulation Mode 202 GFP Part 203 Step 407 Part 203 GFP in each channel OT channel, GFP is sent to the second memory 205 of the OT channel. Step 408 The second memory 205 receives the GFP save.

Step 409 Rate 206 Whether there is GFP in the second memory 205, if yes, step 410, otherwise step 411

Step 410 Rate 206 GFP is mapped to the OT channel.

Step 411 Rate 206 generates an empty map to the OT channel.

In step 402, there is no foot in the 201st memory 204. And teach each, the memory 204. In the 201st, all the registers 204 are over, and the memory 204 is taught in each

. Alternatively, the 201st memory 204 has no foot and is taught, and an empty (d) is generated to fill and teach the length to satisfy the length of the GFP.

The above describes the mapping, phase, and the provided mapping.

5, the flow of the main method of GFP to the demapping of each teaching

Step 501: GFP of the multi-T channel is formed into GFP, and the GFP includes the OT channel.

Step 502: The GFP line is decapsulated, and the way is obtained and taught.

Step 503 The OT channel divides the road and teaches each other and maps them to each channel.

6. The apparatus 600 for demapping multiple GFP to and teaching each includes

The second 601 is to GFP the multi-OT channel into GFP, and the GFP includes the OT channel. GFP has an OT channel. The second 601 way is to multi-OT channel GFP into GFP.

The package module 602 is decapsulated on the GFP line, and the road is obtained and taught. The second minute 603 maps the road and teaches each of the OT channels to each other and maps them to each channel of the OT channel.

The device 600 includes a third register 604, 7 as shown. The third register 604 is connected to the OT channel, in GFP. The second 601 third register 604 is GFP-pathed.

The device 600 includes a register 605, and the interface 605 is connected to each channel, and the channels are mapped to each channel.

8, the method of demapping multiple GFP to each teaching Under the process

Step 801 The third register 604 receives the GFP save on the T channel. Step 802: GFP, encapsulation mode 602 in the third register 604 of the second 601 front OT channel

Step 803: The GFP line received by the package module 602 is decapsulated, and is taught and taught, and the second score is 603. Each teaches each channel of the OT channel.

Step 804, the second point 603, and each of the channels in the teaching, will be taught to each of the channels 605. The memory 605 is directed to each channel and taught.

Step 805, the second 601 will act as the OT channel, and the first OT channel, step 802.

Before the second 601, whether the complete GFP is full in the third memory 604, if yes, then in step 801, the stored GFP in the third memory 604 is not moved. 805 The software in this software can be stored in , , and etc.

In this mapping, there will be more and more teaching and teaching. It is only necessary to encapsulate the modules and package them into GFP, and then map them to the OT channel. In the mapping, only the encapsulation mode GFP line decapsulation is required. Ben

In the middle and multiple channels, the package mode and the package mode, the same package mode and the decapsulation mode multi-OT channel. The FPGA only needs to encapsulate the function of the module and the package module, and the FPGA resources.

Of course, the wood in this field can be different from the spirit of the line. If the repair of this book is in this

The requirements and their equivalents are also included in the wood.

Usability In the present invention, multiple channels are packaged and packaged, and the same package mode and decapsulation mode are multi-T channels. The FPGA only needs to encapsulate the functions of the module and the dielectric module, and the FPGA resources.

Claims

Claim

1, the method, which includes

And each channel encapsulates the road and each teaching into a multi-purpose procedure (GFP), in which GFP intervenes each channel and

Map multiple GFP to each (OT) channel.

2. The method of claim 1, wherein the length of the GFP is fixed, and the step of encapsulating the GFP into a plurality of GFP includes occupying a length that does not satisfy the GFP, and generating an empty space to fill the GFP.

3. The method of claim 1, wherein

4. The method of requirement 1, the method near GFP mapping to the OT channel, generating an empty mapping to the OT channel.

5, the method, which includes

General procedure (GFP) for multiple (OT) channels into GFP, GFP including OT channels

Road GFP line decapsulation, get the road and teach

The OT channel divides the road and teaches each other and maps them to each channel.

6, the device, which includes

In summer, it will teach each other and teach each other, and each road will be taught by each channel. Encapsulation mode, which encapsulates the channels and teaches each CDMA into multiple channels, where GFP mediates each channel and

Points, which map multiple GFP to each T channel.

7. The device of claim 6, the device includes a register, and each channel is connected, and each channel is taught.

8. The device of requirement 6, the device includes a second memory, and the OT channel is connected, and its GFP is specially connected to the OT channel.

9. A device of claim 8, the device comprising a rate, a second register and a OT channel connection, and a second register of the element GFP, generating an empty map to the OT channel.

10, the device, which includes

Package mode, its GFP line decapsulation, get the road and teach