CN106507224B - Method and related device for acquiring target file - Google Patents

Abstract

The embodiment of the present invention discloses a method and a related device for acquiring a target file. In the embodiment of the present invention, the OLT receives the acquisition request message sent by the ONU; the acquisition request message includes the identification information of the target file; the OLT retrieves the information from the storage space of the OLT according to the identification information of the target file Obtain the target file, and send a request response message to the ONU; the request response message includes the target file. In the embodiment of the present invention, a storage space is added to the OLT. If a target file is stored in the storage space, the OLT can directly return the target file to the user without accessing the network to obtain it, thereby effectively shortening the access path and significantly improving the access efficiency.

Description

A kind of method and related device for obtaining target file

technical field

The present invention relates to the field of communication technologies, and in particular, to a method for acquiring a target file and a related device.

Background technique

A network disk is a network storage system that can provide online storage, access, backup, sharing and other resource management services, that is, a network disk can be regarded as a hard disk or U disk placed on the network. After users apply for their own online storage account in the online storage, no matter where they are, they can access or manage the resources stored in their online storage account through online login.

In the prior art, taking Baidu cloud network disk as an example, after a user accesses a video file on the Internet, the user actively caches the file in the personal cloud space provided by Baidu. In fact, the user's cloud space is stored in Baidu's IDC room server. When the user needs to access the file again, the path to obtain the file is: initiate an access request through the user device, go through the router and the optical fiber line provided by the operator, and then reach Baidu's computer room server, and then obtain it from Baidu's computer room server. It can be seen that in the application process of the existing network disk, the path for the user to obtain the required file is relatively long, and the access speed is relatively slow.

Therefore, there is an urgent need for a method that can efficiently obtain files required by users.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a method and a related device for determining an acquisition target file, which are used to solve the technical problems in the prior art that a user needs to acquire a target file with a long path and a relatively slow access speed.

A method for obtaining a target file provided by an embodiment of the present invention includes:

The optical line terminal OLT receives the acquisition request message sent by the optical network unit ONU; the acquisition request message includes the identification information of the target file; the OLT acquires the information from the storage space of the OLT according to the identification information of the target file. the target file; the OLT sends a request response message to the ONU; the request response message includes the target file.

Further, the OLT obtains the target file from the storage space of the OLT according to the identification information of the target file, comprising: the OLT determining the storage space of the OLT according to the type of the obtaining request message The query area used to obtain the target file in the OLT; the OLT obtains the target file from the query area according to the identification information of the target file.

Further, the identification information of the ONU is also included in the acquisition request message; the OLT determines the marked area corresponding to the identification information of the ONU in the storage space of the OLT according to the identification information of the ONU;

The OLT determines, according to the type of the acquisition request message, a query area in the storage space for acquiring the target file, including:

When the acquisition request message is the first acquisition request message, the OLT determines that the query area for acquiring the target file in the storage space of the OLT is a marked area corresponding to the identification information of the ONU; The first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

In the case where the acquisition request message is the second acquisition request message, the OLT determines that the query area in the storage space of the OLT for acquiring the target file is outside the marked area corresponding to the identification information of the ONU The second acquisition request message is sent when the ONU determines that the comparison result between the identification information of the target file and the stored identification information is different.

Further, also comprise the identification information of described ONU in the described acquisition request message; Described OLT determines according to the identification information of described ONU, the marked area corresponding to the identification information of described ONU in the storage space of described OLT and sharing area;

The OLT determines, according to the type of the acquisition request message, a query area in the storage space of the OLT for acquiring the target file, including:

In the case where the acquisition request message is the first acquisition request message, the OLT determines that the query area used to acquire the target file in the storage space of the OLT is the marked area corresponding to the identification information of the ONU and the Shared area; The first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

In the case where the acquisition request message is the second acquisition request message, the OLT determines that the query area in the storage space of the OLT for acquiring the target file is outside the marked area corresponding to the identification information of the ONU The second acquisition request message is sent when the ONU determines that the comparison result between the identification information of the target file and the stored identification information is different.

Further, described in the situation that described obtaining request message is the second obtaining request message, described OLT determines in the storage space of described OLT that the query area for obtaining described target file is the identification information with described ONU. After the storage space outside the corresponding marked area, it also includes:

If the OLT acquires the target file from a storage space other than the marked area corresponding to the identification information of the ONU, the target file is stored in an area other than the storage area corresponding to the identification information of the ONU to shared area; or,

If the OLT determines that the storage space other than the marked area corresponding to the identification information of the ONU does not include the target file, obtain the target file through the network, and store the target file in the identifier corresponding to the ONU. The marked area corresponding to the information.

Further, the request response message also includes instruction information, and the instruction information is used to instruct the ONU to store the identification information of the target file in the resource space of the ONU, and the resource space of the ONU is used to store identification information.

An embodiment of the present invention also provides a method for acquiring a target file, the method comprising: an optical network unit ONU receiving an access request message of a target file sent by a user; the access request message includes identification information of the target file; Described ONU compares the identification information of described target file with stored identification information, and sends acquisition request message to optical line terminal OLT according to comparison result; Described ONU receives the request response that described OLT sends according to described acquisition request message message; the request response message includes the target file; the ONU sends the target file to the user.

Further, the ONU compares the identification information of the target file with the stored identification information, and sends an acquisition request message to the OLT according to the comparison result, including: the ONU determines that the identification information of the target file is stored with the stored identification information. When the comparison result of the identification information is the same, the acquisition request message sent to the OLT is the first acquisition request message; The ONU determines that the comparison result of the identification information of the target file and the stored identification information is not. In the same case, the acquisition request message sent to the OLT is the second acquisition request message.

Further, when the acquisition request message is the second acquisition request message, the request response message received by the ONU also includes indication information; the indication information is used to instruct the ONU to convert the target file to the ONU. The identification information of the ONU is stored in the resource space of the ONU, and the resource space is used to store the identification information.

Further, before the ONU receives the access request message of the target file sent by the user, it also includes: the ONU sends a registration request message to the OLT; the registration request message includes the identification information of the ONU; Described registration request message is used to make described OLT allocate the marking area corresponding to the identification information of described ONU; Described ONU receives the resource allocation message that described OLT sends according to described registration request message, and establishes according to described resource allocation message The resource space of the ONU; the resource space is used to store identification information.

An embodiment of the present invention further provides an optical line terminal OLT, including: a receiving module for receiving an acquisition request message sent by an optical network unit ONU; the acquisition request message includes identification information of a target file; a processing module for Obtain the target file from the storage space of the OLT according to the identification information of the target file; a sending module is configured to send a request response message to the ONU; the request response message includes the target file.

Further, the processing module is specifically configured to: determine, according to the type of the acquisition request message, a query area used to acquire the target file in the storage space of the OLT; Obtain the target file in the query area.

Further, the acquisition request message also includes the identification information of the ONU; the processing module is also used for: according to the identification information of the ONU, determine that the storage space of the OLT corresponds to the identification information of the ONU the marked area;

In the case that the acquisition request message is the first acquisition request message, determine that the query area used to acquire the target file in the storage space of the OLT is a marked area corresponding to the identification information of the ONU; the first An acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

In the case that the acquisition request message is the second acquisition request message, determine that the query area in the storage space of the OLT for acquiring the target file is a storage space other than the marked area corresponding to the identification information of the ONU The second acquisition request message is sent when the ONU determines that the comparison result between the identification information of the target file and the stored identification information is not the same.

Further, the acquisition request message also includes the identification information of the ONU; the processing module is also used for: according to the identification information of the ONU, determine that the storage space of the OLT corresponds to the identification information of the ONU marked areas and shared areas;

In the case that the acquisition request message is the first acquisition request message, it is determined that the query area for acquiring the target file in the storage space of the OLT is a marked area and a shared area corresponding to the identification information of the ONU; The first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

In the case that the acquisition request message is the second acquisition request message, determine that the query area in the storage space of the OLT for acquiring the target file is a storage space other than the marked area corresponding to the identification information of the ONU The second acquisition request message is sent when the ONU determines that the comparison result between the identification information of the target file and the stored identification information is not the same.

Further, the processing module is also used for: if the target file is obtained from the storage space outside the marked area corresponding to the identification information of the ONU, then the target file is corresponding to the identification information of the ONU from the target file. areas other than the storage area of to the shared area; or,

If it is determined that the storage space other than the marked area corresponding to the identification information of the ONU does not include the target file, obtain the target file through the network, and store the target file in a storage space corresponding to the identification information of the ONU marked area.

Further, the request response message also includes indication information, and the indication information is used to instruct the ONU to store the identification information of the target file in the resource space of the ONU, and the resource space is used to store the identification information. .

An embodiment of the present invention also provides an optical network unit ONU, where the ONU includes: a receiving module for receiving an access request message of a target file sent by a user; the access request message includes identification information of the target file; receiving a request response message sent by the optical line terminal OLT according to the acquisition request message; the request response message includes the target file; a processing module configured to compare the identification information of the target file with the stored identification information , and send an obtaining request message to the OLT through a sending module according to the comparison result; the sending module is configured to send the obtaining request message to the OLT, and send the target file to the user.

Further, the processing module is specifically used to: determine that the comparison result between the identification information of the target file and the stored identification information is the same, and the acquisition request message sent to the OLT by the sending module is the first. an acquisition request message; if it is determined that the comparison result between the identification information of the target file and the stored identification information is different, the acquisition request message sent to the OLT by the sending module is the second acquisition request message.

Further, when the acquisition request message is a second acquisition request message, the request response message received by the receiving module also includes indication information; the indication information is used to instruct the ONU to The identification information of the file is stored in the resource space of the ONU, and the resource space is used to store the identification information.

Further, the sending module is also used to: send a registration request message to the OLT; the registration request message includes the identification information of the ONU; the registration request message is used to make the OLT allocate and the ONU The marking area corresponding to the identification information; the receiving module is further configured to: receive the resource allocation message sent by the OLT according to the registration request message, and establish the resource space of the ONU according to the resource allocation message; the resource Space is used to store identification information.

In the above-mentioned embodiment of the present invention, the OLT receives the acquisition request message sent by the ONU; the acquisition request message includes the identification information of the target file; The target file is acquired in the space, and a request response message is sent to the ONU; the request response message includes the target file. In the embodiment of the present invention, a storage space is added to the OLT. If a target file is stored in the storage space, the OLT can directly return the target file to the user without accessing the network to obtain it, thereby effectively shortening the access path and significantly improving the access efficiency.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of a system architecture to which an embodiment of the present invention is applicable;

2 is a schematic diagram of a storage space of an OLT provided by an embodiment of the present invention;

3 is a schematic diagram of a method for obtaining a target file according to Embodiment 1 of the present invention;

4 is a schematic diagram of a method for obtaining a target file according to Embodiment 2 of the present invention;

5 is a schematic structural diagram of an OLT according to Embodiment 3 of the present invention;

FIG. 6 is a schematic structural diagram of an ONU according to Embodiment 4 of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

A system architecture involved in the embodiments of the present invention may include an Internet server, an OLT (optical line terminal, optical line terminal), multiple ONUs (Optical Network Unit, optical network unit), and multiple users. The user can communicate with the corresponding ONU, the ONU can communicate with the OLT, and the OLT can communicate with the Internet server. 1 is a schematic diagram of a system architecture involved in an embodiment of the present invention. The system architecture may include an Internet server 101, an OLT102, an ONU1031, an ONU1032, an ONU1033, a user 1041, a user 1042, a user 1043, a user 1044, a user 1045, and a user 1046 . Among them, user 1041 and user 1042 can communicate with ONU1031, user 1043 and user 1044 can communicate with ONU1032, user 1045 and user 1046 can communicate with ONU1033, ONU1031, ONU1032 and ONU1033 can communicate with OLT102, and OLT102 can communicate with the Internet The server 101 communicates.

The user in this embodiment of the present invention may be a mobile device with a communication function, such as a smart phone, a tablet computer, and the like.

In the embodiment of the present invention, a storage device is installed on the existing OLT, and an intelligent management function is added, so that the OLT can manage the data placed by multiple users, so that users accessing through the same OLT can read data from the storage device of the OLT. Fetch files to save backbone network bandwidth. Correspondingly, the storage access capability is provided on the ONU, and the actual storage location of the storage can be located locally on the ONU or stored on the storage device on the OLT side. Further, when the network is idle, the OLT device directly accesses the files on the Internet through the backbone network, and caches them on its own storage device. When the user needs to access, it directly accesses the files through the ONU, providing better response speed.

Specifically, in the embodiment of the present invention, a storage space is added to the OLT, and to facilitate query, the OLT allocates a corresponding storage space to each ONU that initiates a registration request message. As shown in FIG. 2 , it is a schematic diagram of the storage space of the corresponding OLT 102 in FIG. 1 . The ONU1031, the ONU1032, and the ONU1033 all initiate a registration request message to the OLT102, wherein the registration request message carries the identification information of each ONU. OLT102 allocates the first marked area corresponding to the identification information of ONU1031 according to the registration request message of ONU1031 received; OLT102 allocates the second marked area corresponding to the identification information of ONU1032 according to the received registration request message of ONU1032; OLT102 according to the received The registration request message of the ONU1033 allocates a third marked area corresponding to the identification information of the ONU1033.

Further, in order to better realize information sharing, a shared area is also set in the storage space of the OLT, and the shared area has a corresponding relationship with the identification information of ONU1031, ONU1032, and ONU1033. The storage space of the OLT may also include areas that have not yet been allocated.

In this embodiment of the present invention, the capacities of the first marked area, the second marked area, the third marked area, and the shared area may be the same or different. actual configuration.

In the embodiment of the present invention, a resource space is added in the ONU, and the resource space is used for storing identification information. Specifically, the process of establishing the resource space by the ONU 1031 is used as an example for description here. After the OLT102 allocates the corresponding first marked area to the ONU1031 according to the registration request message, it returns a resource allocation message to the ONU1031. After receiving the resource allocation message, the ONU1031 establishes a resource space corresponding to the first marked area in the OLT102, and the resource space can be used for Identification information of files accessed by user 1041 and user 1042 is stored.

In the following, various stages of initiating an access request by a user will be introduced in detail with reference to FIG. 1 , and a process of establishing the correspondence between the identification information stored in the resource space of the ONU and the files in the OLT storage space will be described in detail.

(1) Stage 1

This stage is the initial stage, that is, the identification information has not been stored in the resource space of the ONU, and the file has not been stored in the storage space of the OLT.

For example, the user 1041 sends a request message to the ONU 1031 for wanting to access the file a. After receiving the request message, the ONU 1031 queries the identification information stored in the resource space, and sends a second acquisition request message to the OLT 102 if it is determined that there is no identification information identical to the identification information of the file a. After the OLT 102 receives the second acquisition request message, it can query the entire storage space to determine whether there is a file corresponding to the identification information of the file a, that is, the file a, in the storage space; A storage space outside the marked area. At this time, if it is determined that the file a does not exist in the storage space, the OLT102 accesses the Internet server 101 through the network, and after acquiring the file a from the Internet server 101, the file a is stored in the first marked area corresponding to the identification information of the ONU 1031, A request response message is returned to the ONU 1031, and the request response message includes the file a, and may also include an indication message. After receiving the request response message, the ONU1031 sends the file a in the request response message to the user 1041, and stores the identification information of the file a in the resource space of the ONU1031 according to the instruction information, thereby establishing the identification information in the resource space of the ONU1031 and the identification information in the resource space of the ONU1031. Correspondence between files in the first identification area.

(2) Stage 2

This stage is a stage in which the user accesses the files stored in the storage space of the OLT on the basis of the first stage.

After the first stage, the user 1041 sends a request message to the ONU 1031 to access the file a again, or the user 1042 sends a request message to the ONU 1031 to access the file a. After receiving the request message, the ONU 1031 queries the identifier stored in the resource space. information, and if it is determined that the same identification information as the identification information of the file a exists, a first acquisition request message is sent to the OLT 102 . After receiving the first acquisition request message, the OLT 102 may query the entire storage space to determine whether the file a exists in the storage space. Preferably, the OLT 102 can only query the first marked area and the shared area corresponding to the identification information of the ONU 1031 according to the identification information of the file a in the first acquisition request message, so that the workload of the query can be effectively saved, and the efficiency of acquiring the file a can be improved. efficiency. After the OLT 102 obtains the file a from the first marked area, it returns a request response message to the ONU 1031, and at this time, the request response message may only include the file a. After receiving the request response message, the ONU 1031 sends the file a to the user 1041.

(3) Stage three

This stage is the stage in which the OLT stores files in the shared area.

After Phase 1 or Phase 2, user 1043 or user 1044 initiates a request message to ONU 1032 to access file a. After receiving the request message, ONU 1032 queries the identification information stored in the resource space, and after determining that there is no identification with file a In the case of identification information with the same information, a second acquisition request message is sent to the OLT 102 . After receiving the second acquisition request message, the OLT 102 may query the entire storage space to determine whether the file a exists in the storage space. Preferably, since there is no file a in the second marked area corresponding to the identification information of the ONU1032, in order to save the workload of the query, the OLT102 can only query the identification information of the file a in the second acquisition request message according to the identification information of the ONU1032. In the storage space other than the second marked area corresponding to the identification information, upon query, OLT102 obtains file a from the first marked area, and returns a request response message to ONU1032. At this time, the request response message includes file a, and may also include Indication message. After receiving the request response message, the ONU 1032 sends the file a in the request response message to the user 1043 or 1044, and stores the identification information of the file a in the resource space of the ONU 1032 according to the instruction information.

In the above process, OLT102 obtains file a from the first marked area corresponding to the identification information of ONU1031, indicating that file a is a file that multiple users connected by ONU1031 and ONU1032 can access. At this time, OLT102 can convert file a from The first marked area is stored in the shared area, so that when the user connected to ONU1032 initiates a request message for accessing file a, OLT102 can directly query the storage area (including the second marked area and the shared area) corresponding to the identification information of ONU1032 , to obtain file a. Compared with querying the storage space outside the second marked area, the workload of query can be effectively saved, and the efficiency of obtaining file a can be improved. Moreover, the correspondence between the identification information in the resource space of the ONU 1032 and the files in the shared area is established through the above method.

(4) Stage Four

After the third stage, the user 1045 or the user 1046 initiates a request message to the ONU 1033 to access the file a. After receiving the request message, the ONU 1033 queries the identification information stored in the resource space, and determines that there is no identification that is identical to the identification information of the file a. In the case of information, a second acquisition request message is sent to the OLT 102 . After receiving the second acquisition request message, the OLT 102 may query the entire storage space to determine whether the file a exists in the storage space. Preferably, the OLT 102 can also only query the storage space other than the third marked area corresponding to the identification information of the ONU 1033, so as to save the workload of the query. After inquiring, the OLT 102 sends a request response message to the ONU 1033 after acquiring the file a from the shared area. At this time, the request response message includes the file a, and may also include an indication message. After receiving the request response message, the ONU1033 sends the file a in the request response message to the user 1045 or 1046, and stores the identification information of the file a in the resource space according to the instruction information, and establishes the identification information and sharing in the resource space of the ONU1033. Correspondence between files in a zone.

Preferably, in order to ensure that the user can obtain the target file more quickly and smoothly, each ONU may also store part of the initial content of the file corresponding to each identification information in its resource space. Taking a video file as an example, assuming that the video file is 300M, the first 30M of the video file can be stored in the ONU, and the last 270M can be stored in the storage space of the OLT. When the user sends a request message to the ONU to access the video, the ONU According to the request message, send an acquisition request message to the OLT, and send the stored 30M video file to the user, so as to respond to the user's access request faster. After obtaining the 270M video file sent by the OLT, the 270M video file is sent to the user, so that the user can watch the video smoothly, which effectively avoids the slow communication in the initial stage of the communication process. The problem.

The method for acquiring a target file provided by the embodiment of the present invention involves at least a communication process among the OLT, the ONU, and the user. The embodiments of the present invention are introduced from the perspectives of the OLT and the ONU, respectively.

3 is a schematic diagram of a method for obtaining a target file provided by Embodiment 1 of the present invention. The method is based on the perspective of the OLT, and specifically includes:

Step 301, the OLT receives the acquisition request message sent by the ONU; the acquisition request message includes the identification information of the target file;

Step 302, the OLT obtains the target file from the storage space of the OLT according to the identification information of the target file;

Step 303, the OLT sends a request response message to the ONU; the request response message includes the target file.

In this embodiment of the present invention, in step 301, the acquisition request message may be a first acquisition request message or a second acquisition request message, wherein the first acquisition request message and the second acquisition request message may be identified by setting different identifiers. To distinguish, for example, an identification bit can be added in the acquisition request message, and the identification bit can be set to 0 or 1. It can be assumed that when the identification bit is 0, the acquisition request message is the first acquisition request message, and when the identification bit is 1, the acquisition request message is obtained. The request message is the second acquisition request message.

In step 302, the OLT determines a query area in the storage space of the OLT for obtaining the target file according to the type of the obtaining request message, and then obtains the query area from the query area according to the identification information of the target file. describe the target file.

In the embodiment of the present invention, if the storage space in the OLT is allocated differently, the determined query areas are also different. The following describes the query area determined by the OLT in two ways.

method one:

The OLT allocates a corresponding marked area to the ONU according to the identification information of the ONU, that is, each ONU registered on the OLT corresponds to a marked area.

Specifically, after receiving the acquisition request message sent by the ONU, the OLT determines that the acquisition request message is the first acquisition request message by judging the value of the identification bit, and determines that the storage space of the OLT is used to acquire the acquisition request message. The query area of the target file is a marked area corresponding to the identification information of the ONU. After receiving the acquisition request message sent by the ONU, the OLT determines, by judging the value of the identification bit, that the acquisition request message is the second acquisition request message, and determines the storage space of the OLT for acquiring the target file. The query area is a storage space other than the marked area corresponding to the identification information of the ONU.

Method two:

The OLT allocates a corresponding marked area to the ONU according to the identification information of the ONU, that is, each ONU registered on the OLT corresponds to a marked area. Moreover, the storage space of the OLT also includes a shared area.

After receiving the acquisition request message sent by the ONU, the OLT determines, by judging the value of the flag bit, that the acquisition request message is the first acquisition request message, and determines the storage space of the OLT for acquiring the target file. The query area is a marked area and a shared area corresponding to the identification information of the ONU. After receiving the acquisition request message sent by the ONU, the OLT determines that the acquisition request message is the second acquisition request message by judging the value of the identification bit, and the OLT determines that the storage space of the OLT is used to acquire the target file. The query area is a storage space other than the marked area corresponding to the ONU identification information.

In the embodiment of the present invention, if the ONU determines that the identification information of the target file is the same as the identification information stored in the resource space, it means that the target file is stored in the marked area and the shared area corresponding to the identification information of the ONU in the OLT. The OLT sends the first acquisition request message. According to the identification information in the first acquisition request message, the OLT specifically queries the marked area and the shared area corresponding to the identification information of the ONU, thereby effectively saving the workload of the query and improving the efficiency of acquiring the target file.

In the embodiment of the present invention, if the ONU determines that the identification information of the target file is different from the identification information stored in the resource space, it means that the target file is not stored in the marked area corresponding to the identification information of the ONU in the OLT. The OLT sends a second acquisition request message. According to the identification information in the second acquisition request message, the OLT specifically queries the storage space of the OLT for areas other than the marked area corresponding to the identification information of the ONU, thereby saving the workload of the query and improving the efficiency of acquiring the target file .

In this embodiment of the present invention, when the acquisition request message is the second acquisition request message, if the OLT acquires the target file from a storage space other than the marked area corresponding to the ONU identification information, the target file is The file is stored in the shared area from the area outside the storage area corresponding to the identification information of the ONU; or, if the OLT determines that the storage space outside the marked area corresponding to the identification information of the ONU does not include the target file, Then, the target file is acquired through the network, and the target file is stored in the marked area corresponding to the identification information of the ONU.

In step 303, the request response message sent by the OLT to the ONU may further include indication information, where the indication information is used to instruct the ONU to store the identification information of the target file in the resource space.

In the embodiment of the present invention, a storage space is added to the OLT. If a target file is stored in the storage space, the OLT can directly return the target file to the ONU, and then return the target file to the user through the ONU without accessing the network to obtain it, thereby effectively shortening the The access path is improved, and the access efficiency is obviously improved.

4 is a schematic diagram of a method for obtaining a target file according to Embodiment 2 of the present invention. The method is based on the perspective of the ONU, and specifically includes:

Step 401, ONU receives the access request message of the described target file sent by the user; The access request message includes the identification information of the described target file;

Step 402, the ONU compares the identification information of the target file with the identification information stored in the resource space, and sends an acquisition request message to the OLT according to the comparison result;

Step 403, the ONU receives the request response message sent by the OLT according to the acquisition request message; the request response message includes the target file;

Step 404, the ONU sends the target file to the user.

In this embodiment of the present invention, in step 402, the ONU compares the identification information of the target file with the identification information stored in the resource space, and if the identification information of the target file is the same as the identification information stored in the resource space, it sends a message to the OLT. The first acquisition request message; if the identification information of the target file is different from the identification information stored in the resource space, a second acquisition request message is sent to the OLT.

In step 403, when the acquisition request message is a second acquisition request message, the request response message received by the ONU further includes indication information, where the indication information is used to instruct the ONU to The identification information of the target file is stored in the resource space.

In the embodiment of the present invention, when the ONU adds a resource space, and the ONU determines that the identification information of the target file is the same as the identification information in the resource space, the ONU sends an acquisition request message to the OLT. If the storage space of the OLT stores the target file, then The OLT can directly return the target file to the ONU, and then return it to the user through the ONU, without accessing the network to obtain it, thereby effectively shortening the access path and significantly improving the access efficiency.

In the above-mentioned embodiment of the present invention, the OLT receives the acquisition request message sent by the ONU; the acquisition request message includes the identification information of the target file; The target file is obtained in the space, and a request response message is sent to the ONU; the request response message includes the target file. In the embodiment of the present invention, a storage space is added to the OLT. If a target file is stored in the storage space, the OLT can directly return the target file to the user without accessing the network to obtain it, thereby effectively shortening the access path and significantly improving the access efficiency.

For the above method flow, an embodiment of the present invention further provides an OLT, and the specific content of the OLT may be implemented with reference to the above method.

FIG. 5 is a schematic structural diagram of an OLT provided by an embodiment of the present invention, and the OLT includes:

A receiving module 501 is used to receive an acquisition request message sent by the ONU; the acquisition request message includes the identification information of the target file;

A processing module 502, configured to obtain the target file from the storage space of the OLT according to the identification information of the target file;

The sending module 503 is configured to send a request response message to the ONU; the request response message includes the target file.

Preferably, the processing module 502 is specifically used for:

According to the type of the acquisition request message, determine the query area used to acquire the target file in the storage space of the OLT;

The target file is acquired from the query area according to the identification information of the target file.

Preferably, the acquisition request message also includes the identification information of the ONU;

The processing module 502 is also used for:

According to the identification information of the ONU, determine the marked area corresponding to the identification information of the ONU in the storage space of the OLT;

In the case that the acquisition request message is the first acquisition request message, determine that the query area used to acquire the target file in the storage space of the OLT is a marked area corresponding to the identification information of the ONU; the first An acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

In the case that the acquisition request message is the second acquisition request message, determine that the query area in the storage space of the OLT for acquiring the target file is a storage space other than the marked area corresponding to the identification information of the ONU The second acquisition request message is sent when the ONU determines that the comparison result between the identification information of the target file and the stored identification information is not the same.

Preferably, the acquisition request message also includes the identification information of the ONU;

The processing module 502 is also used for:

According to the identification information of the ONU, determine the marked area and the shared area corresponding to the identification information of the ONU in the storage space of the OLT;

In the case that the acquisition request message is the first acquisition request message, it is determined that the query area for acquiring the target file in the storage space of the OLT is a marked area and a shared area corresponding to the identification information of the ONU; The first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the identification information stored in the resource space is the same;

In the case that the acquisition request message is the second acquisition request message, determine that the query area in the storage space of the OLT for acquiring the target file is a storage space other than the marked area corresponding to the identification information of the ONU The second acquisition request message is sent when the ONU determines that the comparison result between the identification information of the target file and the identification information stored in the resource space is not the same.

Preferably, the processing module 502 is also used for:

If the target file is acquired from a storage space other than the marked area corresponding to the ONU identification information, the target file is stored in the shared storage space from an area other than the storage area corresponding to the ONU identification information area; or,

If it is determined that the storage space other than the marked area corresponding to the identification information of the ONU does not include the target file, obtain the target file through the network, and store the target file in a storage space corresponding to the identification information of the ONU marked area.

Preferably, the request response message further includes indication information, where the indication information is used to instruct the ONU to store the identification information of the target file in the resource space.

For the above method flow, an embodiment of the present invention further provides an ONU, and the specific content of the ONU can be implemented with reference to the above method.

6 shows a schematic structural diagram of an ONU provided by an embodiment of the present invention, and the ONU includes:

A receiving module 601 is configured to receive an access request message of a target file sent by a user; the access request message includes identification information of the target file; receive a request response message sent by the optical line terminal OLT according to the acquisition request message; The target file is included in the request response message;

A processing module 602, for comparing the identification information of the target file with the stored identification information, and sending an acquisition request message to the OLT through the sending module 603 according to the comparison result;

The sending module 603 is configured to send an acquisition request message to the OLT, and send the target file to the user.

Preferably, the processing module 602 is specifically used for:

When it is determined that the comparison result between the identification information of the target file and the stored identification information is the same, the acquisition request message sent to the OLT by the sending module 603 is the first acquisition request message;

When it is determined that the comparison result between the identification information of the target file and the stored identification information is not the same, the acquisition request message sent to the OLT by the sending module 603 is the second acquisition request message.

Preferably, when the acquisition request message is the second acquisition request message, the request response message received by the receiving module 601 further includes indication information; the indication information is used to instruct the ONU to The identification information of the target file is stored in the resource space.

Preferably, the sending module 603 is also used for:

Send a registration request message to the OLT; Include the identification information of the ONU in the registration request message; The registration request message is used to make the OLT allocate a marked area corresponding to the identification information of the ONU;

The receiving module 601 is also used for:

A resource allocation message sent by the OLT according to the registration request message is received, and a resource space is established according to the resource allocation message; the resource space is used for storing the identification information.

From the above it can be seen that:

In the embodiment of the present invention, the OLT receives the acquisition request message sent by the ONU; the acquisition request message includes the identification information of the target file; the OLT retrieves the information from the storage space of the OLT according to the identification information of the target file Obtain the target file, and send a request response message to the ONU; the request response message includes the target file. In the embodiment of the present invention, a storage space is added to the OLT. If a target file is stored in the storage space, the OLT can directly return the target file to the user without accessing the network to obtain it, thereby effectively shortening the access path and significantly improving the access efficiency.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, or as a computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

Although preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of the present invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (14)

1. A method for obtaining a target document, the method comprising:

an optical line terminal OLT receives an acquisition request message sent by an optical network unit ONU; the acquisition request message comprises a target file and identification information of the ONU; the OLT determines a marking area corresponding to the identification information of the ONU in a storage space of the OLT according to the identification information of the ONU; under the condition that the acquisition request message is a first acquisition request message, the OLT determines that a query area for acquiring the target file in a storage space of the OLT is a mark area corresponding to the identification information of the ONU; the first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

when the acquisition request message is a second acquisition request message, the OLT determines that a query area for acquiring the target file in a storage space of the OLT is a storage space outside a mark area corresponding to the identification information of the ONU; the second acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is different; the OLT acquires the target file from the mark area or a storage space outside the mark area according to the identification information of the target file;

the OLT sends a request response message to the ONU; the request response message includes the target file.

2. The method of claim 1, wherein the acquisition request message further includes identification information of the ONU;

the OLT determines a mark area and a shared area corresponding to the identification information of the ONU in a storage space of the OLT according to the identification information of the ONU;

the determining, by the OLT according to the type of the acquisition request message, a query region for acquiring the target file in a storage space of the OLT includes:

under the condition that the acquisition request message is a first acquisition request message, the OLT determines that a query area for acquiring the target file in a storage space of the OLT is a mark area and a shared area corresponding to the identification information of the ONU; the first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

when the acquisition request message is a second acquisition request message, the OLT determines that a query area for acquiring the target file in a storage space of the OLT is a storage space outside a mark area corresponding to the identification information of the ONU; the second acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is different.

3. The method of claim 1, wherein after the OLT determines that an inquiry area for acquiring the target file in the storage space of the OLT is a storage space other than a tag area corresponding to the identification information of the ONU, if the acquisition request message is a second acquisition request message, further comprising:

if the OLT acquires the target file from a storage space outside the mark area corresponding to the identification information of the ONU, storing the target file from an area outside the storage area corresponding to the identification information of the ONU to a shared area; or the like, or, alternatively,

and if the OLT determines that the storage space except the mark area corresponding to the identification information of the ONU does not comprise the target file, acquiring the target file through a network and storing the target file in the mark area corresponding to the identification information of the ONU.

4. The method of claim 1, wherein the request response message further includes indication information, the indication information being used to instruct the ONU to store the identification information of the target file in a resource space of the ONU, the resource space of the ONU being used to store the identification information.

5. A method for obtaining a target document, the method comprising:

an optical network unit ONU receives an access request message of a target file sent by a user; the access request message comprises identification information of the target file;

the ONU determines that the acquisition request message sent to the OLT is a first acquisition request message under the condition that the comparison result of the identification information of the target file and the stored identification information is the same;

the ONU determines that the identification information of the target file is different from the stored identification information in comparison result, and sends an acquisition request message to the OLT as a second acquisition request message;

the ONU receives a request response message sent by the OLT according to the acquisition request message; the request response message comprises the target file;

and the ONU sends the target file to the user.

6. The method according to claim 5, wherein, in case that the acquiring request message is a second acquiring request message, the request response message received by the ONU further includes indication information; the indication information is used for indicating the ONU to store the identification information of the target file into a resource space of the ONU, and the resource space is used for storing the identification information.

7. The method of claim 5, wherein before the ONU receives the access request message of the target file sent by the user, the method further comprises:

the ONU sends a registration request message to the OLT; the registration request message comprises identification information of the ONU; the registration request message is used for enabling the OLT to allocate a mark area corresponding to the identification information of the ONU;

the ONU receives a resource allocation message sent by the OLT according to the registration request message and establishes a resource space of the ONU according to the resource allocation message; the resource space is used for storing identification information.

8. An optical line termination, OLT, comprising:

the receiving module is used for receiving an acquisition request message sent by an optical network unit ONU; the acquisition request message comprises a target file and identification information of the ONU;

the processing module is used for determining a marking area corresponding to the identification information of the ONU in the storage space of the OLT according to the identification information of the ONU;

determining, when the acquisition request message is a first acquisition request message, that an inquiry area for acquiring the target file in a storage space of the OLT is a mark area corresponding to the identification information of the ONU; the first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

determining that an inquiry area for acquiring the target file in a storage space of the OLT is a storage space outside a mark area corresponding to the identification information of the ONU under the condition that the acquisition request message is a second acquisition request message; the second acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is different; the OLT acquires the target file from the mark area or a storage space outside the mark area according to the identification information of the target file; a sending module, configured to send a request response message to the ONU; the request response message includes the target file.

9. The OLT of claim 8, wherein the get request message further includes identification information of the ONU;

the processing module is further configured to:

determining a mark area and a shared area corresponding to the identification information of the ONU in a storage space of the OLT according to the identification information of the ONU;

determining, when the acquisition request message is a first acquisition request message, that an inquiry area for acquiring the target file in a storage space of the OLT is a mark area and a shared area corresponding to the identification information of the ONU; the first acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is the same;

determining that an inquiry area for acquiring the target file in a storage space of the OLT is a storage space outside a mark area corresponding to the identification information of the ONU under the condition that the acquisition request message is a second acquisition request message; the second acquisition request message is sent when the ONU determines that the comparison result of the identification information of the target file and the stored identification information is different.

10. The OLT of claim 8 or 9, wherein the processing module is further configured to:

if the target file is acquired from a storage space outside the mark area corresponding to the identification information of the ONU, storing the target file from an area outside the storage area corresponding to the identification information of the ONU to a shared area; or the like, or, alternatively,

and if the storage space except the mark area corresponding to the identification information of the ONU does not contain the target file, acquiring the target file through a network, and storing the target file in the mark area corresponding to the identification information of the ONU.

11. The OLT of claim 10, wherein the request response message further includes indication information, the indication information instructing the ONU to store identification information of the target file in a resource space of the ONU, the resource space being used to store identification information.

12. An optical network unit, ONU, comprising:

the receiving module is used for receiving an access request message of a target file sent by a user; the access request message comprises identification information of the target file; receiving a request response message sent by the optical line terminal OLT according to the acquisition request message; the request response message comprises the target file;

the processing module is used for determining that the comparison result of the identification information of the target file and the stored identification information is the same, and the acquisition request message sent to the OLT through the sending module is a first acquisition request message;

under the condition that the comparison result of the identification information of the target file and the stored identification information is different, an acquisition request message sent to the OLT through a sending module is a second acquisition request message; the sending module is configured to send an acquisition request message to the OLT, and send the target file to the user.

13. The ONU according to claim 12, wherein in a case that the get request message is a second get request message, the request response message received by the receiving module further includes indication information; the indication information is used for indicating the ONU to store the identification information of the target file into a resource space of the ONU, and the resource space is used for storing the identification information.

14. The ONU of claim 12, wherein the sending module is further configured to:

sending a registration request message to the OLT; the registration request message comprises identification information of the ONU; the registration request message is used for enabling the OLT to allocate a mark area corresponding to the identification information of the ONU;

the receiving module is further configured to:

receiving a resource allocation message sent by the OLT according to the registration request message, and establishing a resource space of the ONU according to the resource allocation message; the resource space is used for storing identification information.

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