CN108521427A - I-CSCF servers based on Heterogeneous Computing and method - Google Patents
I-CSCF servers based on Heterogeneous Computing and method Download PDFInfo
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- CN108521427A CN108521427A CN201810353994.3A CN201810353994A CN108521427A CN 108521427 A CN108521427 A CN 108521427A CN 201810353994 A CN201810353994 A CN 201810353994A CN 108521427 A CN108521427 A CN 108521427A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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Abstract
The present invention discloses I CSCF servers and method based on Heterogeneous Computing, is related to the communications field, configures a fpga chip in I CSCF servers, FPGA is as isomery accelerator and its CPU parallel processing information；I CSCF servers are connect with P CSCF in IMS systems, user is received and initiates registration or call request message；When user equipment initiates to register, I CSCF servers obtain the addresses S CSCF of user data and user attaching from HSS network element, and local is stored in after encrypting user information by FPGA；When user's call request, FPGA decrypts user information, obtains the addresses S CSCF of user data and user attaching, and is forwarded to S CSCF in IMS systems and completes user's call request.The present invention both can guarantee the safety of data storage, while reduce system CPU loss, improve the reliability of I CSCF servers.
Description
Technical field
The present invention relates to the communications field, specifically a kind of I-CSCF servers and method based on Heterogeneous Computing.
Background technology
I-CSCF servers are IMS (IP Multimedia Subsystem, IP multimedia subsystem) network core lists
Member inquires home subscriber server HSS during Dialog processing, some user is retrieved as from HSS servers and provides service
The addresses S-CSCF, and according to the addresses S-CSCF obtained from HSS, the SIP request that will come from other networks be routed to S-CSCF
Abundant IMS business functions are realized in address.Home subscriber server HSS (Home Subscriber Server) is IMS systems
The important component of middle control layer.HSS supports the primary user data library of the IMS network entity for handling calling/session,
HSS can handle user's identification, number and address information；User security information；User's location information；User's inventory information.
Heterogeneous Computing is primarily referred to as forming computing system using the computing unit (CPU, GPU, FPGA etc.) of different systems
Mode.Proprietary computing unit working frequency is relatively low, but have higher computation capability, overall performance and power consumption compared with
It is low.
In the ims network, when user initiates session, I-CSCF servers can be by the S-CSCF address dates of user attaching
It is stored in local with user information, data storage cannot get safeguard protection, be easy to be tampered.Therefore it can pass through encrypted side
Protection is encrypted to end-user listening data in formula, ensures that user data is stored in local safety.Simultaneously because data encryption
Consume very much CPU with decryption is energy, especially in large scale call is concurrent, frequently reads data, system CPU rising is led
Alarm is caused, call loss occurs.In view of above-mentioned technical problem, the present invention considers the Heterogeneous Computing of FPGA being introduced into I-CSCF servers
In, come solve data storage safety problem and I-CSCF servers in the excessively high problem of CPU power consumption.
Invention content
The present invention is directed to the demand and shortcoming of current technology development, provides a kind of I-CSCF clothes based on Heterogeneous Computing
Business device and method.
I-CSCF servers of the present invention based on Heterogeneous Computing solve the technical solution of above-mentioned technical problem use such as
Under：The I-CSCF servers based on Heterogeneous Computing, system structure include an I-CSCF servers, HSS network element, P-CSCF
Network element, S-CSCF network elements, wherein a fpga chip is configured in the I-CSCF servers, the fpga chip adds as isomery
Fast device, be connected parallel processing information with the CPU of the I-CSCF servers；
The I-CSCF servers are connect with the P-CSCF network elements, and the P-CSCF network elements initiate note for receiving user
Volume or call request message, and it is forwarded to the I-CSCF servers；The I-CSCF servers connect with the S-CSCF network elements
Connect letter；
The I-CSCF servers are connect with the HSS network element；When user equipment initiates registration, the I-CSCF servers
The addresses S-CSCF of user data and user attaching are obtained from HSS network element, the fpga chip carries out above-mentioned user information
Computations complete the secure storage of data；When user's call request, user information is decrypted the fpga chip, obtains
The addresses S-CSCF of user data and user attaching are taken, and user information after decryption is forwarded in the S-CSCF network elements and is completed
User's call request.
Specifically, the I-CSCF servers are connect by SH interfaces with the HSS network element, and handles and receive from HSS
The SH interface messages of network element.
Specifically, the fpga chip is connected by PCIe interface with the CPU of the I-CSCF servers, initiated in user
Registration and when call request, the FGPA chips are by the addresses S-CSCF of the user data and user service that are obtained from HSS network element
It is encrypted or is decrypted calculating, completes the secure storage of data.
Specifically, when user equipment (UE) initiates to register, the P-CSCF network elements receive the Register message of UE, by this
Message is sent to the I-CSCF servers；The I-CSCF servers are received from the initial of the P-CSCF network elements
Register message carries the IMPU of calling subscribe, and UDR message is sent to the HSS network element, obtains user data and user returns
The addresses S-CSCF of category, and above-mentioned user information is called in OpenCL api interfaces to the fpga chip and is encrypted, it will
Encrypted data is stored in local.
Specifically, when a user initiates a call, the P-CSCF network elements receive the initial invite message of UE, and this is disappeared
Breath is sent to the I-CSCF servers；The I-CSCF servers receive the initial invite message from P-CSCF network elements,
The IMPU for carrying calling subscribe inquires the addresses S-CSCF of user attaching, calls OpenCL api interfaces to the fpga chip
In be decrypted, obtain the addresses S-CSCF belonging to user and user data, then user message after decryption be forwarded to the S-
Originating side call is completed in CSCF network elements；
In callee side, the I-CSCF servers receive in IMS systems after the message related to calls of SIP AS, according to called
IMPU is called and is decrypted in OpenCL api interfaces to the fpga chip, obtains the addresses S-CSCF belonging to user and use
After user data, then user information after decryption is forwarded in the S-CSCF network elements and completes callee side calling.
The invention also provides the I-CSCF methods based on Heterogeneous Computing, specific implementation process includes：It is taken in I-CSCF
A fpga chip is configured in business device, fpga chip is as isomery accelerator, and be connected parallel place with the CPU of the I-CSCF servers
Manage information；
The I-CSCF servers are connect with P-CSCF network elements in IMS systems, P-CSCF network elements can receive user's hair
Registration or call request message are played, and is transmitted to the I-CSCF servers；Simultaneously by the I-CSCF servers and IMS systems
Middle HSS network element connection, when user equipment initiates to register, the I-CSCF servers obtain user data from the HSS network element
With the addresses S-CSCF of user attaching, and the user information of acquisition is encrypted by the fpga chip, and will be after encryption
User information is being locally stored；When user's call request, fpga chip carries out user information in the I-CSCF servers
Decryption, obtains the addresses S-CSCF of user data and user attaching, and user information after decryption is forwarded to S- in IMS systems
CSCF network elements complete user's call request.
Specifically, the I-CSCF servers are connect by SH interfaces with the HSS network element, and handles and receive from HSS
The SH interface messages of network element.
Specifically, the fpga chip is connected by PCIe interface with the CPU of the I-CSCF servers, initiated in user
When registration and call request, the addresses S-CSCF of the user data obtained from HSS network element and user service can be encrypted
Or decryption calculates, and completes the secure storage of data.
Specifically, when user equipment (UE) initiates to register, the P-CSCF network elements receive the Register message of UE, by this
Message is sent to the I-CSCF servers；The I-CSCF servers are received from the initial of the P-CSCF network elements
Register message carries the IMPU of calling subscribe, and UDR message is sent to the HSS network element, obtains user data and user returns
The addresses S-CSCF of category, and above-mentioned user information is called in OpenCL api interfaces to the fpga chip and is encrypted, it will
Encrypted data is stored in local.
Specifically, when a user initiates a call, the P-CSCF network elements receive the initial invite message of UE, and this is disappeared
Breath is sent to the I-CSCF servers；The I-CSCF servers receive the initial invite from the P-CSCF network elements and disappear
Breath, carries the IMPU of calling subscribe, inquires the addresses S-CSCF of user attaching, calls OpenCL api interfaces to the FPGA cores
It is decrypted in piece, obtains the addresses S-CSCF belonging to user and user data, then user message after decryption is forwarded to described
S-CSCF network elements complete originating side call；
In callee side, the I-CSCF servers receive in IMS systems after the message related to calls of SIP AS, according to called
IMPU is called and is decrypted in OpenCL api interfaces to the fpga chip, obtains the addresses S-CSCF belonging to user and use
After user data, then user information after decryption is forwarded to the S-CSCF network elements and completes callee side calling.
I-CSCF servers and method of the present invention based on Heterogeneous Computing, the beneficial effect having compared with prior art
Fruit is：The Heterogeneous Computing of fpga chip is introduced in the data-storage system in I-CSCF servers by the present invention, FPGA conducts
Isomery accelerator is connected with the CPU of I-CSCF, initiates registration in user and when call request, the user data that will be obtained from HSS
It is encrypted or is decrypted calculating with the addresses S-CSCF of user service, completes the secure storage of data, both can guarantee that data store
Safety, while the Heterogeneous Computing parallel processing capability based on FPGA can reduce system CPU, prevent call loss, increase
Percent of call completed improves the reliability of entire I-CSCF servers.
Specific implementation mode
The technical issues of to make technical scheme of the present invention, solving and technique effect are more clearly understood, below in conjunction with tool
Body embodiment is checked technical scheme of the present invention, is completely described, it is clear that described embodiment is only this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those skilled in the art are not doing
All embodiments obtained under the premise of going out creative work, all within protection scope of the present invention.
Embodiment
The present embodiment propose the I-CSCF servers based on Heterogeneous Computing, system structure include an I-CSCF servers,
HSS network element, P-CSCF network elements, S-CSCF network elements, wherein a fpga chip is configured in the I-CSCF servers, it is described
Fpga chip is as isomery accelerator, and be connected parallel processing information with the CPU of the I-CSCF servers；
The P-CSCF network elements are connect with I-CSCF servers, and P-CSCF network elements initiate registration or calling for receiving user
Request message, and it is forwarded to I-CSCF servers；The I-CSCF servers are connect with HSS network element, and user equipment initiates registration
When, I-CSCF servers obtain the addresses S-CSCF of user data and user attaching from HSS network element, will be above-mentioned by fpga chip
Calculating is encrypted in user information, completes the secure storage of data；When user's call request, the fpga chip of I-CSCF servers
User information is decrypted, obtains the addresses S-CSCF of user data and user attaching, and user information after decryption is forwarded
To completion user's call request in S-CSCF.
Here, I-CSCF servers are IMS (IP Multimedia Subsystem, IP multimedia subsystem) systems
Network core unit has been explained in meaning background technology.HSS network element is home subscriber server HSS, meaning background skill
It has been explained in art.P-CSCF (Proxy-Call Session Control Funtion) network element agent call session control work(
Can, it is first contact node (in signaling plane) of user in IMS, it is an outbound/inbound from the perspective of SIP
Sip proxy server.P-CSCF execute function include：The SIP registration received from UE request is forwarded to determine to by UE home domain names
Fixed I-CSCF；From the sip message that UE is received to S-CSCF, the name of the server is initiated to register by P-CSCF in the UE for forwarding
It is obtained when regulation.S-CSCF network elements are the core places of IMS, it is located at home network.I-CSCF servers can be to initiate registration
The user of request distributes or one S-CSCF network element of selection, as registrar；S-CSCF disappears to the registration request from UE
Breath is handled.
It is connect with HSS network element by SH interfaces in addition, the I-CSCF servers may be used, and handles to receive and come from
The SH interface messages of HSS network element；The fpga chip is connected by PCIe interface with the CPU of the I-CSCF servers, in user
When initiating registration and call request, the fpga chip can be by the S- of the user data and user service that are obtained from HSS network element
The addresses CSCF are encrypted or decrypt calculating, complete the secure storage of data, improve the reliability of entire I-CSCF servers.
I-CSCF server of the present embodiment based on Heterogeneous Computing, when user equipment (UE) initiates to register, P-CSCF network elements
The Register message for receiving UE, sends the message to I-CSCF servers, and I-CSCF servers are received from P-CSCF nets
The Initial R egister message of member, carries the IMPU of calling subscribe, and sending UDR (User Data Request) to HSS network element disappears
Breath obtains the addresses S-CSCF of user data and user attaching, and above-mentioned user information is called OpenCL api interfaces extremely
It is encrypted in fpga chip, encrypted data is stored in local.
When a user initiates a call, P-CSCF network elements receive the initial invite message of UE, and send the message to I-
In CSCF servers, I-CSCF servers receive the initial invite message from P-CSCF network elements, carry calling subscribe's
IMPU inquires the addresses S-CSCF of user attaching, calls and is decrypted in OpenCL api interfaces to fpga chip, obtains user
The affiliated addresses S-CSCF and user data, then user message after decryption is forwarded in S-CSCF and completes originating side call；
In callee side, I-CSCF servers receive in IMS systems after the message related to calls of SIP AS, according to called IMPU,
It calls and is decrypted in OpenCL api interfaces to fpga chip, after obtaining the addresses S-CSCF and the user data belonging to user,
User information after decryption is forwarded in S-CSCF again and completes callee side calling.
IMPU (IP Multimedia Public Identity) is IP multimedia public identity, the public mark of IP multimedias
It is the two kinds of identity used by IP multimedia subsystem (IMS) to know (IMPU) and IP multimedia private identity (IMPI).
P-CSCF (Proxy-Call Session Control Funtion) network element Proxy Call Session Control Function is
First contact node (in signaling plane) of user in IMS systems is mainly responsible for during processing multimedia call session
Signaling controls.
SIP (Session Initiation Protocol, session initiation protocol) is by IETF (Internet
Engineering Task Force, internet engineering task group) formulate multimedia communication protocol.AS(Application
Server, application server), it is the application layer equipment for being located at top layer in IMS systems.Pass through mark between SIP AS and I-CSCF
Quasi- Session Initiation Protocol interacts, and then realizes the triggering and execution of various network services.
The present embodiment also proposed the I-CSCF methods based on Heterogeneous Computing, and technical solution is based on different with above-described embodiment
The I-CSCF servers that structure calculates can be referred to mutually, and realization process includes：A FPGA is configured in I-CSCF servers
Chip, fpga chip is as isomery accelerator, and be connected parallel processing information with the CPU of the I-CSCF servers；
The I-CSCF servers are connect with P-CSCF network elements in IMS systems, P-CSCF network elements can receive user's hair
Registration or call request message are played, and is transmitted to I-CSCF servers；It simultaneously will be in the I-CSCF servers and IMS systems
HSS network element connects, and when user equipment initiates to register, I-CSCF servers obtain user data and user attaching from HSS network element
The addresses S-CSCF, and the user information of acquisition is encrypted by the fpga chip, and user information will exist after encryption
It is locally stored；When user's call request, user information is decrypted fpga chip in I-CSCF servers, obtains number of users
According to the addresses S-CSCF with user attaching, and user information after decryption is forwarded to S-CSCF network elements in IMS systems and completes user
Call request.
Here, where S-CSCF is the core of IMS, it is located at home network, as registrar, to the note from UE
Volume request message is handled, but when UE is in session, and S-CSCF handles the session status in network.
Also, I-CSCF method of the present embodiment based on Heterogeneous Computing, the I-CSCF servers, which may be used, passes through SH
Interface is connect with HSS network element, and is handled and received the SH interface messages from HSS network element；The fpga chip, which uses, passes through PCIe
Interface is connected with the CPU of the I-CSCF servers, when user initiates registration and call request, can will be obtained from HSS network element
User data and the addresses S-CSCF of user service be encrypted or decrypt calculating, complete the secure storage of data, improve whole
The reliability of a I-CSCF servers.
Using I-CSCF method of the present embodiment based on Heterogeneous Computing, when user equipment (UE) initiates to register, P-CSCF nets
Member receives the Register message of UE, sends the message to I-CSCF servers, and I-CSCF servers are received from P-CSCF
The Initial R egister message of network element, carries the IMPU of calling subscribe, and UDR (User Data Request) is sent to HSS network element
Message obtains the addresses S-CSCF of user data and user attaching, and above-mentioned user information is called OpenCL api interfaces extremely
It is encrypted in fpga chip, encrypted data is stored in local.
Using I-CSCF method of the present embodiment based on Heterogeneous Computing, when a user initiates a call, P-CSCF network elements receive
The initial invite message of UE, and send the message in I-CSCF servers, I-CSCF servers are received from P-CSCF
The initial invite message of network element, carries the IMPU of calling subscribe, inquires the addresses S-CSCF of user attaching, calls OpenCL
Be decrypted in api interface to fpga chip, obtain user belonging to the addresses S-CSCF and user data, then will decryption after user
Message is forwarded to the addresses S-CSCF and completes originating side call；
In callee side, I-CSCF servers receive in IMS systems after the message related to calls of SIP AS, according to called IMPU,
It calls and is decrypted in OpenCL api interfaces to fpga chip, after obtaining the addresses S-CSCF and the user data belonging to user,
User information after decryption is forwarded to the addresses S-CSCF again and completes callee side calling.
Use above specific case elaborates the principle of the present invention and embodiment, these embodiments are
It is used to help understand core of the invention technology contents, the protection domain being not intended to restrict the invention, technical side of the invention
Case is not limited in above-mentioned specific implementation mode.Based on the above-mentioned specific embodiment of the present invention, those skilled in the art
Without departing from the principle of the present invention, any improvement and modification to made by the present invention should all fall into the special of the present invention
Sharp protection domain.
Claims (10)
1. the I-CSCF servers based on Heterogeneous Computing, which is characterized in that its system structure includes an I-CSCF servers, HSS
Network element, P-CSCF network elements, S-CSCF network elements, wherein a fpga chip, the fpga chip are configured in the I-CSCF servers
As isomery accelerator, be connected parallel processing information with the CPU of the I-CSCF servers；
The I-CSCF servers are connect with the P-CSCF network elements, the P-CSCF network elements for receive user initiate registration or
Call request message, and it is forwarded to the I-CSCF servers；The I-CSCF servers connect logical with the S-CSCF network elements
Letter；
The I-CSCF servers are connect with the HSS network element；User equipment initiate registration when, the I-CSCF servers from
The addresses S-CSCF of user data and user attaching are obtained in HSS network element, the fpga chip is added above-mentioned user information
The secure storage of data is completed in close calculating；When user's call request, user information is decrypted the fpga chip, obtains
The addresses S-CSCF of user data and user attaching, and user information after decryption is forwarded in the S-CSCF network elements and completes to use
Family call request.
2. the I-CSCF servers based on Heterogeneous Computing according to claim 1, which is characterized in that the I-CSCF servers
It is connect with the HSS network element by SH interfaces, and handles and receive the SH interface messages from HSS network element.
3. the I-CSCF servers based on Heterogeneous Computing according to claim 2, which is characterized in that the fpga chip passes through
PCIe interface is connected with the CPU of the I-CSCF servers, and when user initiates registration and call request, the FGPA chips will
The addresses S-CSCF of the user data and user service that are obtained from HSS network element are encrypted or decrypt calculating, complete the peace of data
Full storage.
4. the I-CSCF servers based on Heterogeneous Computing according to claim 3, which is characterized in that when user equipment (UE) is initiated
When registration, the P-CSCF network elements receive the Register message of UE, send the message to the I-CSCF servers；It is described
I-CSCF servers receive the Initial R egister message from the P-CSCF network elements, carry the IMPU of calling subscribe, to institute
It states HSS network element and sends UDR message, obtain the addresses S-CSCF of user data and user attaching, and above-mentioned user information is called
It is encrypted in OpenCL api interfaces to the fpga chip, encrypted data is stored in local.
5. the I-CSCF servers based on Heterogeneous Computing according to claim 4, which is characterized in that when user initiates to call
When, the P-CSCF network elements receive the initial invite message of UE, and send the message to the I-CSCF servers；It is described
I-CSCF servers receive the initial invite message from P-CSCF network elements, carry the IMPU of calling subscribe, and inquiry user returns
The addresses S-CSCF of category are called and are decrypted in OpenCL api interfaces to the fpga chip, and the S- belonging to user is obtained
The addresses CSCF and user data, then user message after decryption is forwarded in the S-CSCF network elements and completes originating side call；
In callee side, the I-CSCF servers receive in IMS systems after the message related to calls of SIP AS, according to called IMPU,
It calls and is decrypted in OpenCL api interfaces to the fpga chip, obtain the addresses S-CSCF belonging to user and user data
Afterwards, then user information after decryption is forwarded in the S-CSCF network elements and completes callee side calling.
6. the I-CSCF methods based on Heterogeneous Computing, which is characterized in that configure a fpga chip, FPGA in I-CSCF servers
Chip is as isomery accelerator, and be connected parallel processing information with the CPU of the I-CSCF servers；
The I-CSCF servers are connect with P-CSCF network elements in IMS systems, P-CSCF network elements can receive user and initiate note
Volume or call request message, and it is transmitted to the I-CSCF servers；It simultaneously will be in the I-CSCF servers and IMS systems
HSS network element connect, when user equipment initiate register when, the I-CSCF servers from the HSS network element obtain user data and
The addresses S-CSCF of user attaching, and the user information of acquisition is encrypted by the fpga chip, and will be used after encryption
Family information is being locally stored；When user's call request, fpga chip solves user information in the I-CSCF servers
It is close, the addresses S-CSCF of user data and user attaching are obtained, and user information after decryption is forwarded to S-CSCF in IMS systems
Network element completes user's call request.
7. the I-CSCF methods based on Heterogeneous Computing according to claim 6, which is characterized in that the I-CSCF servers are logical
It crosses SH interfaces to connect with the HSS network element, and handles and receive the SH interface messages from HSS network element.
8. the I-CSCF methods based on Heterogeneous Computing according to claim 7, which is characterized in that the fpga chip passes through
PCIe interface is connected with the CPU of the I-CSCF servers, initiates registration in user and when call request, can will be from HSS nets
The addresses S-CSCF of user data and user service that member obtains are encrypted or decrypt calculating, complete the secure storage of data.
9. the I-CSCF methods based on Heterogeneous Computing according to claim 8, which is characterized in that when user equipment (UE) initiates to note
When volume, the P-CSCF network elements receive the Register message of UE, send the message to the I-CSCF servers；The I-
CSCF servers receive the Initial R egister message from the P-CSCF network elements, carry the IMPU of calling subscribe, to described
HSS network element sends UDR message, obtains the addresses S-CSCF of user data and user attaching, and above-mentioned user information is called
It is encrypted in OpenCL api interfaces to the fpga chip, encrypted data is stored in local.
10. the I-CSCF methods based on Heterogeneous Computing according to claim 9, which is characterized in that when a user initiates a call,
The P-CSCF network elements receive the initial invite message of UE, and send the message to the I-CSCF servers；The I-
CSCF servers receive the initial invite message from the P-CSCF network elements, carry the IMPU of calling subscribe, inquire user
The addresses S-CSCF of ownership are called and are decrypted in OpenCL api interfaces to the fpga chip, and the S- belonging to user is obtained
The addresses CSCF and user data, then user message after decryption is forwarded to the S-CSCF network elements and completes originating side call；
In callee side, the I-CSCF servers receive in IMS systems after the message related to calls of SIP AS, according to called IMPU,
It calls and is decrypted in OpenCL api interfaces to the fpga chip, obtain the addresses S-CSCF belonging to user and user data
Afterwards, then user information after decryption is forwarded to the S-CSCF network elements and completes callee side calling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810353994.3A CN108521427A (en) | 2018-04-19 | 2018-04-19 | I-CSCF servers based on Heterogeneous Computing and method |
Applications Claiming Priority (1)
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