CN101789913B - Proxy service device using temporary storage management and data transmission load balance and method thereof - Google Patents
Proxy service device using temporary storage management and data transmission load balance and method thereof Download PDFInfo
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Abstract
The invention discloses a proxy service device using temporary storage management and data transmission load balance and a method thereof. A torrent file detector detects an original torrent file from an external domain. A point-to-point acting server control unit modifies the original torrent file to generate a modified torrent file, and transfers the modified torrent file to a terminal machine in an internal domain. An internal point-to-point tracking server receives inquiry information, and replies to the terminal machine according to response information. A temporary storage device is used for storing the shared content temporarily. An external stimulated point-to-point engine loads the original torrent file. An internal stimulated point-to-point engine checks whether the temporary storage device has the shared content according to the request information; if the device has the shared content, the shared content is read from the temporary storage device and is transferred to the terminal machine. Aiming at the original torrent file, a network address converting unit executes a network address converting program.
Description
Technical field
The present invention relates generally to point-to-point communication agency service (peer-to-peer proxy service) technology, and the point-to-point agent service device and the method for management and data transmission load balance got in particularly a kind of utilization soon.
Background technology
In recent years; Using the point-to-point communication technology to carry out application that file shares receives widely and using; For example bit-torrent (BitTorrent is called for short BT) and electric mule communication protocols such as (eMule), the user can obtain the file of wanting by other user's downloads on the world-wide web easily, and the point to point network technology is with conventional download mode difference; Traditional downloading mode is normally uploaded frequency range by a user through it and is shared file to other users; And when downloading this user who shares file more for a long time, can cause Internet resources and the system resource of sharing end to be critical, and each to download the assigned download frequency range of the user that holds also more little.Under the point-to-point communication Technical Architecture; With the bit-torrent is example; The user of each file in download also plays the part of the role who shares file simultaneously, therefore gets over for a long time when downloading the same user who shares file, and the download frequency range that the user of each download end can obtain is just big more; Because uploading of task is dispersed to each and downloads the user, the resource that has therefore solved when in the past being uploaded by single user consumes problem in a large number.
Yet the line number that uses this point-to-point communication The Application of Technology service to be produced comes manyly more than other application services, therefore causes great burden for the network address that is widely used in general small-to-medium business or family (IP) Wireless Router.Network address Wireless Router has used network address translation (Network Address Translation; NAT) technology; Computer in the in-house network territory (private network) that network address Wireless Router is connected all uses internal network address (private IP) to come addressing; When the computer in the in-house network territory need connect the computer of external network domain (public network); Network packet can convert internal network address to external outside network address (public IP) address via the NAT technology in the Wireless Router of the network address, so network address Wireless Router can be considered a kind of network gateway (NAT gateway).In the process of this conversion; Network gateway can be set up a network address translation table (NAT Translation Table) in order to the internal network address that writes down each network connectivity and the corresponding relation of outside network address, comprises coming source network address (source IP), comes source port (source port), the purpose network address (destination IP), destination interface (destination port), mixes the network address (mangled IP), mixes the information such as sign of port (mangledport) and other line.
Point-to-point download service has a variety of forms, wherein a kind of modal point-to-point download that is referred to as bit-torrent formula (bit-stream based).In the point-to-point download of bit-torrent formula, externally have one on the network and be responsible for providing bit seed file (.torrent) to supply the common people to download to several servers.The bit seed is the original used address of bit-torrent.This seed file is that a point-to-point file is downloaded ultra description document, is responsible for description relevant for can downloading the related data of certain file that carries out through point-to-point mode, and comprise one or several pins to the information of point-to-point tracking server (tracker).Through point-to-point tracking server, can know have which computer can participate in point-to-point sharing on the network with the computer of point-to-point mode file in download.Shared with the computer inventory that desiring the computer of file in download subsequently provides according to point-to-point tracking server again inquires respectively whether to have required file fragment.
Fig. 1 is the example of the network address translation table content in the display network address translation process.When user's operational network application program; Each grouping all can convert proper data through tabling look-up to; Wherein a computer 121 in an in-house network territory 120 is carried out the down load application of a simulation bit-torrent formula (BT-like); To an external point that is positioned at an external network 110 point tracking server 111 is inquired the computerized information that can share file data fragments according to the torrent file of being downloaded (torrent file) 101; Then according to the line of this information foundation with computer 112 and computer 113; Set up back computer 121 at line and inquire whether computers 112 and computer 113 have required file data fragments, and require to download the file data fragments of being shared to computer 112 and computer 113.Connect external network domain 110 and safeguard a network address translation table 131 according to the line situation in in-house network territory 120 with a network gateway 130 in in-house network territory 120; Comprising the bit-torrent link information of computer 121 with computer 112 and computer 121 and computer 113, the network connectivity of other all turnover network gateways 130 also all need carry out the action of network address translation.Because each in the computer in in-house network territory and the combination between each computer in external network domain, all can produce one even a plurality of network address translation respective items on network address translation table 131 when externally carrying out point-to-point download service.This conversion table can become to look very fast when carrying out point-to-point down load application; Cause the memory of network gateway 130 to be consumed apace, cause the load of network gateway 130 to increase the weight of because each network packet of being accepted all must be carried out tabling look-up of network address translation simultaneously; Especially faster or grouping number is more for a long time when the contained line number last speeds of download more, line of network address translation table 131; To cause the usefulness of network gateway 130 obviously to descend, and the line number that is wherein produced with the service of point-to-point communication The Application of Technology account for the most at high proportion.
Summary of the invention
According to the described a kind of network gateway device of one embodiment of the invention; Be connected between an external network domain and the in-house network territory; Comprise a point-to-point ultra description document detector; Detection is from an original point-to-point ultra description document in said external net territory, and above-mentioned original point-to-point ultra description document comprises the information of being shared file fragment and any is to the point tracking server address; One point-to-point acting server control unit; Become above-mentioned internal network address to revise point-to-point ultra description document the above-mentioned point-to-point tracking server address modification of being write down in the above-mentioned original point-to-point ultra description document, and the point-to-point ultra description document of above-mentioned modification is transferred to one first computer in the above-mentioned in-house network territory to produce one; One internal point can produce a download record sheet according to the inquiry of above-mentioned first computer and share computer-list with one the point tracking server, sends a solicited message, and replys above-mentioned first computer according to the response of being received; One memory element is above-mentionedly shared file fragment in order to store; The point-to-point user side of a pair of outer simulation, setting its network address is the said external network address, is written into above-mentioned original point-to-point ultra description document; And the point-to-point user side of simulation in a pair of; Setting its network address is above-mentioned internal network address; Can carry out one first an inner interrogator and a load balance program according to above-mentioned solicited message; Reply above-mentioned internal point to the point tracking server according to the response of above-mentioned load balance program; Check according to the request of above-mentioned first computer whether above-mentioned memory element has the quilt that above-mentioned first computer asks and share file fragment, have quilt that above-mentioned first computer asks when sharing file fragment at above-mentioned memory element, the quilt that above-mentioned first computer is asked is shared file fragment and from above-mentioned memory element, is taken out and send to above-mentioned first computer.
According to the described a kind of Point-to-point Communication Method that temporary storage management and the point-to-point agency service of data transmission load balance are provided in a network gateway device of one embodiment of the invention; Wherein above-mentioned network gateway device is connected between an external network domain and the in-house network territory; Comprise: detect the original point-to-point ultra description document from said external net territory, above-mentioned original point-to-point ultra description document comprises the information of being shared file fragment and any is to the point tracking server address; Above-mentioned original point-to-point ultra description document is written into the point-to-point user side of a pair of outer simulation; Become above-mentioned internal network address to revise point-to-point ultra description document the above-mentioned point-to-point tracking server address modification of being write down in the above-mentioned original point-to-point ultra description document to produce one; The point-to-point ultra description document of above-mentioned modification is transferred to the computer in the above-mentioned in-house network territory; Reception is from the inquiry of aforementioned calculation machine; Produce a download record sheet and share computer-list with one; Carry out an inner interrogator; Carry out a load balance program; And reply the aforementioned calculation machine according to the response of above-mentioned load balance program.
According to the described a kind of Point-to-point Communication Method that temporary storage management and the point-to-point agency service of data transmission load balance are provided in a network gateway device of another embodiment of the present invention; Wherein above-mentioned network gateway device is connected between an external network domain and the in-house network territory, comprising: receive the inquiry from a computer in said external net territory; Obtain a download record sheet, and share a computer-list and an inner computer information list; And share file fragment, above-mentioned Download History table and shade rule according to the aforementioned calculation machine quilt that file fragment information, a memory element stores being shared of being inquired and calculate one first and have block information, and will above-mentioned first have the block information answer and give the aforementioned calculation machine.
About other additional characteristic and advantages of the present invention, part will open in implementation method, partly can obviously be observed from implementation method and obtained, part then can be by acquistion in the implementation process.Characteristic of the present invention and advantage can be achieved by pointed key element and the combined method of dependent claims patent declaration scope.
Foregoing invention content and ensuing implementation method are merely example of the present invention and explanation, and so it is not in order to limiting scope of the present invention, so protection scope of the present invention is as the criterion when looking the appended claims person of defining.
Description of drawings
Fig. 1 is the example of the network address translation table content in the display network address translation process.
Fig. 2 shows according to the said Point-to-point Communication Method that temporary storage management and the point-to-point agency service of data transmission load balance are provided in a network gateway device of one embodiment of the invention.
Fig. 3 shows according to the said Point-to-point Communication Method flow chart that temporary storage management and the point-to-point agency service of data transmission load balance internally are provided in a network gateway device of one embodiment of the invention.
Fig. 4 shows according to the said Point-to-point Communication Method flow chart that temporary storage management and the point-to-point agency service of data transmission load balance externally are provided in a network gateway device of one embodiment of the invention.
[main element symbol description]
101,202～original point-to-point ultra description document;
110,210～external network domain;
112～113,121,211,212,221～224～computer;
120,220～in-house network territory;
130,230～network gateway;
131,238～network address translation table;
The point-to-point ultra description document of 202～modification;
111,211～external point is to the point tracking server;
231～point-to-point ultra description document detector;
232～point-to-point acting server control unit;
233～internal point is to the point tracking server;
234～internally simulate point-to-point user side;
235～memory element;
236～externally simulate point-to-point user side; And
237～network address translation unit.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, hereinafter is special lifts some preferred embodiments, and conjunction with figs., elaborates as follows:
Fig. 2 shows according to the said Point-to-point Communication Method that temporary storage management and the point-to-point agency service of data transmission load balance (peer-to-peer proxy service) are provided in a network gateway device of one embodiment of the invention.In this embodiment; One network gateway 230 is connected between an external network domain 210 and the in-house network territory 220; And have an outside network address 140.96.115.210 and an internal network address 192.168.0.1; And network gateway 230 has used point-to-point agency service; Give the related elements of this point-to-point agency service to go to handle the network connectivity of point-to-point classification, network gateway 230 comprise the point-to-point acting server control unit of a point-to-point ultra description document detector 231, one 232, an internal point to point tracking server 233, a pair of in the point-to-point user side of simulation 234, a memory element 235, a pair of outer point-to-point user side 236 of simulation and a network address translation unit 237.Framework compared to Fig. 1; Network address translation table 238 among Fig. 2 just no longer need write down and safeguard numerous point-to-point link information; Therefore can significantly reduce the link information that is write down in the network address translation table 238; In addition, more point-to-pointly shared file fragment and stored, made internally more efficient with external point-to-point download through what memory element 235 will be downloaded.
According to Fig. 2; Network address translation unit 237 produces an inner computer information list when network gateway 230 starts; The network bandwidth information of all computers in the record in-house network territory 220, upload network use amount information, pass network use amount information and respond (ping) ability information down, and at any time to except point-to-point communication packet (datagram) all from or the packet that is sent to external network domain 210 carry out a network address translation program.
When the computer 221 in the in-house network territory 220 is attempted to carry out point-to-point line; Can download an original point-to-point ultra description document 201 from external network domain 210; Original point-to-point ultra description document 201 comprises the information of being shared file fragment and any is to the point tracking server address; Point-to-point ultra description document detector 231 in the network gateway 230 can be tackled original point-to-point ultra description document 201; And it is transferred to point-to-point acting server control unit 232; Point-to-point acting server control unit 232 transfers to the point-to-point user side 236 of external simulation with original point-to-point ultra description document 201, is the address of internal point to point tracking server 233 with the point-to-point tracking server address modification of being write down in the original point-to-point ultra description document 201 again, is the internal network address 192.168.0.1 of network gateway 230; Revise point-to-point ultra description document 202 to produce one, will revise point-to-point ultra description document 202 then and transfer to computer 221.After externally the point-to-point user side 236 of simulation is received original point-to-point ultra description document 201, be written into original point-to-point ultra description document 201.
The above-mentioned first inner interrogator can according to above-mentioned Download History table find out have in the in-house network territory 220 which computer possibly have the quilt that will inquire share file fragment, inquire to these computers then; Or above-mentioned first inner interrogator can according to above-mentioned inner computer information list in in-house network territory 220 at present all computers inquire.Above-mentioned load balance program can be according to the network bandwidth information in the above-mentioned inner computer information list, upload network use amount information, pass network use amount information or respond ability information and select the above-mentioned computer of sharing in the computer-list down; According to the file owning amount information in the above-mentioned Download History table or download time information select the above-mentioned computer of sharing in the computer-list; Or adopt round-robin scheduling (round-robin scheduling) to select the above-mentioned computer of sharing in the computer-list, then respond with the computer network address of picking out.
Scheme 1:
Internally the point-to-point user side 234 of simulation requires the point-to-point user side 236 of the external simulation quilt that downloading computer 221 is asked from said external net territory to share file fragment; Externally the point-to-point user side 236 of simulation begins to carry out download action according to original point-to-point ultra description document 201; This download action comprises that in the point-to-point tracking server 211 inquiry external network domain 210 in outside, having earlier which computer to have the quilt that computer 221 asked shares file fragment; The quilt of according to the result who inquires computer 221 being asked is then shared file fragment and is downloaded to memory element 235; Send a response of accomplish downloading at last and give the internally point-to-point user side 234 of simulation, internally simulate quilt that point-to-point user side 234 asked computer 221 again and share file fragment and from memory element 235, take out and send to computer 221.
Scheme 2:
The quilt that the downloaded computer 221 that the point-to-point user side 234 of internal simulation is picked out from above-mentioned load balance program is asked is shared file fragment to memory element 235, and then the quilt that computer 221 is asked is shared file fragment from memory element 235, take out and send to computer 221.
According to Fig. 2; When the quilt of once downloading when 212 desires of the computer in the external network domain 210 download in-house network territory is shared file fragment; Can why share file fragment to the point-to-point user side 236 inquiry quilts that it had of external simulation earlier; Externally the point-to-point user side 236 of simulation is obtained the information that the whole quilts that had in the in-house network territory 220 are shared file fragment from above-mentioned Download History table; Whole quilts of being stored in this information and the memory element 235 are shared the information of file fragment and done a logic OR computing (OR); Again the result of logic OR computing and a shade rule are carried out logic and operation (AND) and obtain one first and have block information, and have block information with above-mentioned first and reply and give computer 212.Above-mentioned shade rule can be " keep external network domain 210 in the most rare data " or " give up in the in-house network territory 220 no longer the data of needs ".
Has data downloaded that computer 212 is desired if first has the point-to-point user side 236 of the external simulation of block information indication; Computer 212 can further carry out point-to-point line to point-to-point user side 236 requests of external simulation and download; After externally the point-to-point user side 236 of simulation is received this request; Earlier whether inspection memory element 235 has the quilt that computer 212 asked and shares file fragment; If have, the quilt of then computer 212 being asked is shared file fragment and from memory element 235, is taken out and send to computer 212.If do not have; Then require the point-to-point user side 234 of internally simulation to carry out one second inner interrogator; The above-mentioned second inner interrogator is shared file fragment according to there being which computer to have the quilt that computer 212 asked in above-mentioned Download History table or the above-mentioned inner computer information list inquiry in-house network territory 220; And according to the inquiry the result upgrade above-mentioned Download History table and the above-mentioned computer-list of sharing; Internally the point-to-point user side 234 of simulation is carried out above-mentioned load balance program again and is selected the lighter computer of transfer of data load from the above-mentioned computer-list of sharing then; If pointing out to have no in the in-house network territory 220 computer to have the quilt that computer 212 asked, the response of above-mentioned load balance program shares file fragment; Then from above-mentioned Download History table, obtain the information that the whole quilts that had in the in-house network territory 220 are shared file fragment; The whole quilts that had in this information and the memory element are shared the information of file fragment and done a logic OR computing (OR), again the result of logic OR computing and above-mentioned shade rule are carried out logic and operation (AND) and obtain one second and have block information, and have block information with above-mentioned second and reply and give computer 212; If the response of above-mentioned load balance program points out in the in-house network territory that 220 have computer (at least one in computer 221, computer 222, computer 223 and the computer 224) to have the quilt that computer 212 asked to share file fragment; The quilt of then being asked from these downloaded computers 212 is shared file fragment to memory element 235, and the quilt of then computer 212 being asked is shared file fragment and from memory element 235, taken out and send to computer 212.
Above-mentioned load balance program can be set and cancellation is shared the action that computer-list is selected to above-mentioned via a user; Directly with the above-mentioned network address of sharing the computer in the computer-list as response; Meaning is the function that network gateway 230 has been cancelled data transmission load balance, but still temporary storage management and point-to-point agency service are provided.And network gateway 230 can be asked to write data but capacity when having expired at memory element 235; From the data that memory element 235 is stored, eliminate modal in the external network domain 210, exist in the memory element 235 at most or in-house network territory 220 in the modal file fragment of being shared, and network gateway 230 can be regularly according to above-mentioned Download History table with above-mentioned share computer-list with in-house network territory 220 no longer the data of needs from memory element 235, delete.
In other embodiments, network gateway 230 can have a plurality of internal network address, and makes internal point can use different internal network address to represent the network address for it to point tracking server 233 respectively with the point-to-point user side 234 of internal simulation.
Fig. 3 shows according to the said Point-to-point Communication Method flow chart that temporary storage management and the point-to-point agency service of data transmission load balance internally are provided in a network gateway device of one embodiment of the invention.When point-to-point ultra description document detector 231 detects original point-to-point ultra description document 201 (step S101); Can original point-to-point ultra description document 201 be transferred to point-to-point acting server control unit 232; Point-to-point acting server control unit 232 directly transfers to the point-to-point user side 236 of external simulation with original point-to-point ultra description document 201; Let the point-to-point user side 236 of external simulation be written into original point-to-point ultra description document 201 (step S102); Point-to-point acting server control unit 232 is revised original point-to-point ultra description document 201 again and is revised point-to-point ultra description document 202 (step S103) to produce; To revise point-to-point ultra description document commentaries on classics 202 then and deliver to the computer 221 (step S104) in in-house network territory 220; After computer 221 is received the point-to-point ultra description document 202 of modification; Transmit an inquiry message to network gateway device 230; When network gateway device 230 is received above-mentioned inquiry message (step S105), by internal point point tracking server 233 is produced one and download record sheet and share computer-list (step S106) with one, the above-mentioned network address of having write down the point-to-point user side 234 of internal simulation in the computer-list of sharing; Be the internal network address 192.168.0.1 of network gateway device 230, and above-mentioned Download History table record computerized information, have fileinfo, download time and file owning amount information.And then by point-to-point user side 234 execution of internal simulation one inner interrogator (step S107); Above-mentioned inner interrogator comprises according to having which computer to have corresponding to the quilt of above-mentioned second solicited message in above-mentioned Download History table or the above-mentioned inner computer information list inquiry in-house network territory 220 shares file fragment, and upgrades above-mentioned Download History table and the above-mentioned computer-list of sharing according to the result of inquiry.Then; Internally the point-to-point user side 234 of simulation is carried out a load balance program (step S108) again; According to round-robin scheduling mode or file owning amount, download time, network bandwidth, upload the network use amount, pass information such as network use amount and response ability down and select the lighter computer of transfer of data load from the above-mentioned computer-list of sharing; Add above-mentioned internal network address 192.168.0.1 with the network address of the computer picked out then; The point-to-point user side 234 of the promptly internal simulation of meaning also has corresponding to the quilt of above-mentioned first solicited message shares file fragment, replys computer 221 (step S109), after computer 221 receives that this responds; Can transmit a solicited message to network gateway device 230 again; After network gateway device 230 is received above-mentioned solicited message (step S110), can share file fragment (step S111) by whether having corresponding to the quilt of above-mentioned solicited message in the point-to-point user side 234 inspection memory elements 235 of internal simulation, if having; To share file fragment corresponding to the quilt of above-mentioned solicited message and from memory element 235, take out and send to computer 221 (step S112), flow process finishes; If do not have; There are two schemes to select: selection scheme 1; Then begin to share file fragment corresponding to the quilt of above-mentioned solicited message according to original point-to-point ultra description document 201 and be downloaded to memory element 235 (step S113) from external network domain by the point-to-point user side 236 of external simulation; And then will share file fragment corresponding to the quilt of above-mentioned solicited message and from memory element 235, take out and send to computer 221 (step S114), flow process finishes; Selection scheme 2; The downloaded that the point-to-point user side 234 of then internal simulation is picked out from above-mentioned load balance program is shared file fragment to memory element 235 (step S115) corresponding to the quilt of above-mentioned solicited message; And then will share file fragment corresponding to the quilt of above-mentioned solicited message and from memory element 235, take out and send to computer 221 (step S116), flow process finishes.
Fig. 4 shows according to the said Point-to-point Communication Method flow chart that temporary storage management and the point-to-point agency service of data transmission load balance externally are provided in a network gateway device of one embodiment of the invention.In this embodiment; Computer 221 carries out point-to-point communication through Point-to-point Communication Method as shown in Figure 3; At this moment; Be positioned at the information that the computer 212 of external network domain 210 can be provided point tracking server 211 through external point; See an external challenges message off to network gateway device 230; When network gateway device 230 is received said external inquiry message, externally simulate point-to-point user side 236 and from above-mentioned Download History table, obtain the information that the whole quilts that had in the in-house network territory 220 are shared file fragment, the information that this information and the memory element 235 interior whole quilts that had are shared file fragment is done a logic OR computing (OR); Again the result of logic OR computing and a shade rule are carried out logic and operation (AND) and obtain one first and have block information (step S201), and have block information with above-mentioned first and reply and give computer 212 (step S202).Above-mentioned shade rule can be " keep external network domain 210 in the most rare data " or " give up in the in-house network territory 220 no longer the data of needs ".
When the described Point-to-point Communication Method of Fig. 3 and Fig. 4 also is included in and desires to write data to memory element 235 and find that but the capacity of memory element 235 has been expired, from memory element 235, eliminate modal in the external network domain 210, exist in the memory element 235 at most or in-house network territory 220 in modally shared file fragment.And regularly according to above-mentioned Download History table with above-mentioned share computer-list with in-house network territory 220 no longer the data of needs from memory element 235, delete.
Above-mentioned load balance program can be set and cancellation is shared the action that computer-list is selected to above-mentioned via a user; Directly with the above-mentioned network address of sharing the computer in the computer-list as response; Meaning is the function that network gateway 230 has been cancelled data transmission load balance, but still temporary storage management and point-to-point agency service are provided.
In other embodiments, network gateway 230 can have a plurality of internal network address, and makes internal point can use different internal network address to represent the network address for it to point tracking server 233 respectively with the point-to-point user side 234 of internal simulation.
Though the present invention with example openly as above; Right its is not in order to limiting scope of the present invention, and those skilled in the art are not breaking away from the spirit and scope of the present invention; When can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the appended claims person of defining.
Claims (47)
1. a network gateway device is connected between an external network domain and the in-house network territory, comprising:
One point-to-point ultra description document detector detects from an original point-to-point ultra description document that is positioned at said external net territory, and above-mentioned original point-to-point ultra description document comprises the information of being shared file fragment and any is to the point tracking server address;
One point-to-point acting server control unit; Become an internal network address to revise point-to-point ultra description document the above-mentioned point-to-point tracking server address modification of being write down in the above-mentioned original point-to-point ultra description document, and the point-to-point ultra description document of above-mentioned modification is transferred to one first computer in the above-mentioned in-house network territory to produce one;
One internal point can produce a download record sheet according to the inquiry of above-mentioned first computer and share computer-list with one the point tracking server, sends a solicited message, and replys above-mentioned first computer according to the response of being received;
One memory element is above-mentionedly shared file fragment in order to store;
The point-to-point user side of a pair of outer simulation, setting its network address is an outside network address, is written into above-mentioned original point-to-point ultra description document; And
The point-to-point user side of simulation in a pair of; Setting its network address is above-mentioned internal network address; Can carry out one first an inner interrogator and a load balance program according to above-mentioned solicited message; Reply above-mentioned internal point to the point tracking server according to the response of above-mentioned load balance program; Check according to the request of above-mentioned first computer whether above-mentioned memory element has the quilt that above-mentioned first computer asks and share file fragment, have quilt that above-mentioned first computer asks when sharing file fragment at above-mentioned memory element, the quilt that above-mentioned first computer is asked is shared file fragment and from above-mentioned memory element, is taken out and send to above-mentioned first computer.
2. network gateway device as claimed in claim 1; Wherein above-mentioned Download History table record computerized information, have fileinfo or download time, and the above-mentioned computer-list record of sharing is shared file fragment and is arranged in the network address of the computer in above-mentioned in-house network territory.
3. network gateway device as claimed in claim 1, wherein above-mentioned Download History table record file owning amount information, and the above-mentioned computer-list record shared is shared file fragment and is arranged in the network address of the computer in above-mentioned in-house network territory.
4. network gateway device as claimed in claim 1, wherein above-mentioned memory element are also stored the above-mentioned fragment position of file fragment, above-mentioned clip size and the above-mentioned value of life period of being shared file fragment of being shared file fragment shared.
5. network gateway device as claimed in claim 1; Also comprise a network address translation unit; Produce an inner computer information list, above-mentioned inner computer information list write down all computers in the above-mentioned in-house network territory network bandwidth information, upload network use amount information, pass network use amount information or respond ability information down.
6. network gateway device as claimed in claim 5; The wherein above-mentioned first inner interrogator comprises according to above-mentioned Download History table or above-mentioned inner computer information list inquires that the quilt whether computer in the above-mentioned in-house network territory has above-mentioned first computer to ask shares file fragment, and upgrades above-mentioned Download History table and the above-mentioned computer-list of sharing.
7. network gateway device as claimed in claim 1, wherein above-mentioned load balance program is selected the above-mentioned computer of sharing in the computer-list according to round-robin scheduling, serves as to respond content with the network address of the computer picked out.
8. network gateway device as claimed in claim 1; Wherein above-mentioned load balance program according to the file owning amount information in the above-mentioned Download History table or download time information select the above-mentioned computer of sharing in the computer-list, serve as to respond content with the network address of the computer picked out.
9. network gateway device as claimed in claim 5; Wherein above-mentioned load balance program according to the network bandwidth information in the above-mentioned inner computer information list, upload network use amount information, pass network use amount information or respond ability information and select the above-mentioned computer of sharing in the computer-list down, serve as to respond content with the network address of the computer picked out.
10. network gateway device as claimed in claim 1, wherein above-mentioned load balance program can be set and cancellation carried out by a user, and serves as to respond content with the network address of the above-mentioned computer of sharing in the computer-list to be write down.
11. network gateway device as claimed in claim 1; The point-to-point user side of wherein above-mentioned internal simulation does not have quilt that above-mentioned first computer asks when sharing file fragment in above-mentioned memory element; Require the point-to-point user side of above-mentioned external simulation to download the quilt that above-mentioned first computer asks from said external net territory and share file fragment to above-mentioned memory element, and the quilt that above-mentioned first computer is asked is shared file fragment from above-mentioned memory element, take out and send to above-mentioned first computer.
12. network gateway device as claimed in claim 1; The point-to-point user side of wherein above-mentioned internal simulation does not have quilt that above-mentioned first computer asks when sharing file fragment at above-mentioned memory element; Download the quilt that above-mentioned first computer asks according to the response of above-mentioned load balance program and share file fragment to above-mentioned memory element, and the quilt that above-mentioned first computer is asked is shared file fragment from above-mentioned memory element, take out and send to above-mentioned first computer.
13. network gateway device as claimed in claim 1; The point-to-point user side of wherein above-mentioned external simulation is also shared file fragment information, above-mentioned memory element, above-mentioned Download History table and shade rule calculating one first according to the quilt of inquiring from one second computer in said external net territory and is had block information; And have block information with above-mentioned first and reply and to give above-mentioned second computer, wherein above-mentioned shade rule be following one of them:
Keep the most rare data in the said external net territory; And
Give up the no longer data of needs of above-mentioned in-house network territory.
14. network gateway device as claimed in claim 13; The point-to-point user side of wherein above-mentioned external simulation also receives the request from above-mentioned second computer; Check whether above-mentioned memory element has the quilt that above-mentioned second computer asks and share file fragment; Have quilt that above-mentioned second computer asks when sharing file fragment at above-mentioned memory element, the quilt that above-mentioned second computer is asked is shared file fragment and from above-mentioned memory element, is taken out and send to above-mentioned second computer.
15. network gateway device as claimed in claim 14; The point-to-point user side of wherein above-mentioned external simulation does not have quilt that above-mentioned second computer asks when sharing file fragment at above-mentioned memory element, requires the point-to-point user side of above-mentioned internal simulation to carry out one second inner interrogator and above-mentioned load balance program.
16. network gateway device as claimed in claim 15; The point-to-point user side of wherein above-mentioned external simulation is indicated when having no computer to have quilt that above-mentioned second computer asks in the above-mentioned in-house network territory to share file fragment in the response of above-mentioned load balance program; Calculate one second according to above-mentioned memory element, above-mentioned Download History table and above-mentioned shade rule and have block information, and will above-mentioned second have the block information answer and give above-mentioned second computer.
17. network gateway device as claimed in claim 15; The point-to-point user side of wherein above-mentioned external simulation is indicated when having computer to have quilt that above-mentioned second computer asks in the above-mentioned in-house network territory to share file fragment in the response of above-mentioned load balance program; Download the quilt that above-mentioned second computer asks according to the response of above-mentioned load balance program and share file fragment to above-mentioned memory element, and the quilt that above-mentioned second computer is asked is shared file fragment from above-mentioned memory element, take out and send to above-mentioned second computer.
18. network gateway device as claimed in claim 15; The wherein above-mentioned second inner interrogator comprises according to above-mentioned Download History table or above-mentioned inner computer information list inquires that the quilt whether computer in the above-mentioned in-house network territory has above-mentioned second computer to ask shares file fragment, and upgrades above-mentioned Download History table and the above-mentioned computer-list of sharing.
19. network gateway device as claimed in claim 1 writes above-mentioned memory element with data but above-mentioned memory element capacity when having expired in desire, eliminates the data that meet a rule of elimination in the above-mentioned memory element, above-mentioned rule of elimination be following one of them:
Eliminate modal data in the said external net territory;
Eliminate the data exist in the above-mentioned memory element at most; And
Eliminate modal data in the above-mentioned in-house network territory.
20. network gateway device as claimed in claim 1, also regularly according to above-mentioned Download History table with above-mentioned share computer-list with above-mentioned in-house network territory no longer the data of needs from above-mentioned memory element, delete.
21. the Point-to-point Communication Method that temporary storage management and the point-to-point agency service of data transmission load balance are provided in a network gateway device, wherein above-mentioned network gateway device are connected between an external network domain and the in-house network territory, comprising:
Detection is from an original point-to-point ultra description document in said external net territory, and above-mentioned original point-to-point ultra description document comprises the information of being shared file fragment and any is to the point tracking server address;
Above-mentioned original point-to-point ultra description document is written into the point-to-point user side of a pair of outer simulation;
Become an internal network address to revise point-to-point ultra description document the above-mentioned point-to-point tracking server address modification of being write down in the above-mentioned original point-to-point ultra description document to produce one;
The point-to-point ultra description document of above-mentioned modification is transferred to the computer in the above-mentioned in-house network territory;
Reception is from the inquiry of aforementioned calculation machine;
Produce a download record sheet and share computer-list with one;
Carry out an inner interrogator;
Carry out a load balance program; And
The aforementioned calculation machine is replied in response according to above-mentioned load balance program.
22. Point-to-point Communication Method as claimed in claim 21; Wherein above-mentioned Download History table record computerized information, have fileinfo or download time, and the above-mentioned computer-list record of sharing is shared file fragment and is arranged in the network address of the computer in above-mentioned in-house network territory.
23. Point-to-point Communication Method as claimed in claim 21, wherein above-mentioned Download History table record file owning amount information, and the above-mentioned computer-list record shared is shared file fragment and is arranged in the network address of the computer in above-mentioned in-house network territory.
24. Point-to-point Communication Method as claimed in claim 21; Also comprise from a network address translation unit of above-mentioned network gateway device and obtain an inner computer information list, wherein above-mentioned inner computer information list write down all computers in the above-mentioned in-house network territory network bandwidth information, upload network use amount information, pass network use amount information and respond ability information down.
25. Point-to-point Communication Method as claimed in claim 24; Wherein above-mentioned inner interrogator comprises according to above-mentioned Download History table or above-mentioned inner computer information list inquiring whether the computer in the above-mentioned in-house network territory has the quilt of inquiring corresponding to the aforementioned calculation machine to share file fragment, and upgrades above-mentioned Download History table and the above-mentioned computer-list of sharing.
26. Point-to-point Communication Method as claimed in claim 21, wherein above-mentioned load balance program is selected the above-mentioned computer of sharing in the computer-list according to round-robin scheduling, serves as to respond content with the network address of the computer picked out.
27. Point-to-point Communication Method as claimed in claim 21; Wherein above-mentioned load balance program according to the file owning amount information in the above-mentioned Download History table or download time information select the above-mentioned computer of sharing in the computer-list, serve as to respond content with the network address of the computer picked out.
28. Point-to-point Communication Method as claimed in claim 24; Wherein above-mentioned load balance program according to the network bandwidth information in the above-mentioned inner computer information list, upload network use amount information, pass network use amount information or respond ability information and select the above-mentioned computer of sharing in the computer-list down, serve as to respond content with the network address and the above-mentioned internal network address of the computer picked out.
29. Point-to-point Communication Method as claimed in claim 21, wherein above-mentioned load balance program can be set and cancellation carried out by a user, and serves as to respond content with the network address of the above-mentioned computer of sharing in the computer-list to be write down.
30. Point-to-point Communication Method as claimed in claim 21; Also comprise the request of reception from the aforementioned calculation machine; Check whether a memory element has the quilt that the aforementioned calculation machine asked and share file fragment; And having quilt that the aforementioned calculation machine asked when sharing file fragment at above-mentioned memory element, the quilt that the aforementioned calculation machine is asked is shared file fragment and from above-mentioned memory element, is taken out and send to the aforementioned calculation machine.
31. Point-to-point Communication Method as claimed in claim 30; Also be included in above-mentioned memory element and do not have quilt that the aforementioned calculation machine asked when sharing file fragment; Share file fragment to above-mentioned memory element through the point-to-point user side of the above-mentioned external simulation quilt that download aforementioned calculation machine is asked from said external net territory, and the quilt that the aforementioned calculation machine is asked is shared file fragment from above-mentioned memory element, take out and send to the aforementioned calculation machine.
32. Point-to-point Communication Method as claimed in claim 30; Also be included in above-mentioned memory element and do not have quilt that the aforementioned calculation machine asked when sharing file fragment; The response quilt that download aforementioned calculation machine is asked from above-mentioned in-house network territory according to above-mentioned load balance program is shared file fragment to above-mentioned memory element, and the quilt that the aforementioned calculation machine is asked is shared file fragment from above-mentioned memory element, take out and send to the aforementioned calculation machine.
33. Point-to-point Communication Method as claimed in claim 30; Be included in also that above-mentioned memory element is asked to write data but capacity when having expired; From the data of being stored, select the data that meet a rule of elimination and eliminate, wherein above-mentioned rule of elimination be following one of them:
Eliminate modal data in the said external net territory;
Eliminate the data exist in the above-mentioned memory element at most; And
Eliminate modal data in the above-mentioned in-house network territory.
34. Point-to-point Communication Method as claimed in claim 30, also comprise regularly according to above-mentioned Download History table with above-mentioned share computer-list with above-mentioned in-house network territory no longer the data of needs from above-mentioned memory element, delete.
35. the Point-to-point Communication Method that storage administration and the point-to-point agency service of data transmission load balance are provided in a network gateway device, wherein above-mentioned network gateway device are connected between an external network domain and the in-house network territory, comprising:
Reception is from the inquiry of a computer in said external net territory;
Obtain a download record sheet, and share a computer-list and an inner computer information list; And
Sharing file fragment, above-mentioned Download History table and shade rule according to the aforementioned calculation machine quilt that file fragment information, a memory element stores being shared of being inquired calculates one first and has block information; And have block information with above-mentioned first and reply the aforementioned calculation machine that gives, wherein above-mentioned shade rule be following one of them:
Keep the most rare data in the said external net territory; And
Give up the no longer data of needs of above-mentioned in-house network territory.
36. Point-to-point Communication Method as claimed in claim 35, has fileinfo or download time at wherein above-mentioned Download History table record computerized information; The above-mentioned computer-list record shared is shared file fragment and is arranged in the network address of the computer in above-mentioned in-house network territory; Above-mentioned inner computer information list write down all computers in the above-mentioned in-house network territory network bandwidth information, upload network use amount information, pass network use amount information or respond ability information down.
37. Point-to-point Communication Method as claimed in claim 35, wherein above-mentioned Download History table record file owning amount information; The above-mentioned computer-list record shared is shared file fragment and is arranged in the network address of the computer in above-mentioned in-house network territory; Above-mentioned inner computer information list write down all computers in the above-mentioned in-house network territory network bandwidth information, upload network use amount information, pass network use amount information or respond ability information down.
38. Point-to-point Communication Method as claimed in claim 35; Also comprise the request of reception from the aforementioned calculation machine; Check whether above-mentioned memory element has the quilt that the aforementioned calculation machine asked and share file fragment; Have quilt that the aforementioned calculation machine asked when sharing file fragment at above-mentioned memory element, the quilt that the aforementioned calculation machine is asked is shared file fragment and from above-mentioned memory element, is taken out and send to the aforementioned calculation machine.
39. Point-to-point Communication Method as claimed in claim 38; Also be included in above-mentioned memory element and do not have quilt that the aforementioned calculation machine asked when sharing file fragment; Carry out an inner interrogator and a load balance program; And indicate when having no computer to have quilt that the aforementioned calculation machine asked in the above-mentioned in-house network territory to share file fragment in the response of above-mentioned load balance program; Calculate one second according to above-mentioned memory element, above-mentioned Download History table and above-mentioned shade rule and have block information, have block information with above-mentioned second and reply the aforementioned calculation machine that gives.
40. Point-to-point Communication Method as claimed in claim 39; When the response that also is included in above-mentioned load balance program is indicated and is had computer to have quilt that the aforementioned calculation machine asked in the above-mentioned in-house network territory to share file fragment; Quilt according to the response download aforementioned calculation machine of above-mentioned load balance program is asked is shared file fragment to above-mentioned memory element, and the quilt that the aforementioned calculation machine is asked is shared file fragment from above-mentioned memory element, take out and send to the aforementioned calculation machine.
41. Point-to-point Communication Method as claimed in claim 39; Wherein above-mentioned inner interrogator comprises according to above-mentioned Download History table or above-mentioned inner computer information list inquires that the quilt whether computer in the above-mentioned in-house network territory has the aforementioned calculation machine to be asked shares file fragment, and upgrades above-mentioned Download History table and the above-mentioned computer-list of sharing.
42. Point-to-point Communication Method as claimed in claim 39, wherein above-mentioned load balance program is selected the above-mentioned computer of sharing in the computer-list according to round-robin scheduling, serves as to respond content with the network address of the computer picked out.
43. Point-to-point Communication Method as claimed in claim 39; Wherein above-mentioned load balance program according to the file owning amount information in the above-mentioned Download History table or download time information select the above-mentioned computer of sharing in the computer-list, serve as to respond content with the network address of the computer picked out.
44. Point-to-point Communication Method as claimed in claim 39; Wherein above-mentioned load balance program according to the network bandwidth information in the above-mentioned inner computer information list, upload network use amount information, pass network use amount information or respond ability information and select the above-mentioned computer of sharing in the computer-list down, serve as to respond content with the network address of the computer picked out and an internal network address of above-mentioned network gateway device.
45. Point-to-point Communication Method as claimed in claim 39, wherein above-mentioned load balance program can be set and cancellation carried out by a user, and serves as to respond content with the network address of the above-mentioned computer of sharing in the computer-list to be write down.
46. Point-to-point Communication Method as claimed in claim 35; Be included in also that above-mentioned memory element is asked to write data but capacity when having expired; From the data of being stored, select the data that meet a rule of elimination and eliminate, wherein above-mentioned rule of elimination be following one of them:
Eliminate modal data in the said external net territory;
Eliminate the data exist in the above-mentioned memory element at most; And
Eliminate modal data in the above-mentioned in-house network territory.
47. Point-to-point Communication Method as claimed in claim 35, also comprise regularly according to above-mentioned Download History table with above-mentioned share computer-list with above-mentioned in-house network territory no longer the data of needs from above-mentioned memory element, delete.
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| CN2009100029668A CN101789913B (en) | 2009-01-23 | 2009-01-23 | Proxy service device using temporary storage management and data transmission load balance and method thereof |
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| CN101068211A (en) * | 2007-06-27 | 2007-11-07 | 中兴通讯股份有限公司 | Point-to-point flow optimizing method and system |
| CN101257615A (en) * | 2007-10-25 | 2008-09-03 | 复旦大学 | User VCR operation method and stream medium distributing based on video dividing technique |
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| CN101068211A (en) * | 2007-06-27 | 2007-11-07 | 中兴通讯股份有限公司 | Point-to-point flow optimizing method and system |
| CN101257615A (en) * | 2007-10-25 | 2008-09-03 | 复旦大学 | User VCR operation method and stream medium distributing based on video dividing technique |
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