WO2006057048A1 - ネットワーク・サービス制御方法 - Google Patents
ネットワーク・サービス制御方法 Download PDFInfo
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- WO2006057048A1 WO2006057048A1 PCT/JP2004/017618 JP2004017618W WO2006057048A1 WO 2006057048 A1 WO2006057048 A1 WO 2006057048A1 JP 2004017618 W JP2004017618 W JP 2004017618W WO 2006057048 A1 WO2006057048 A1 WO 2006057048A1
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- Prior art keywords
- network
- service control
- user
- context
- control method
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
- H04L67/306—User profiles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/085—Retrieval of network configuration; Tracking network configuration history
- H04L41/0853—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information
- H04L41/0856—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information by backing up or archiving configuration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0866—Checking the configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0894—Policy-based network configuration management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5061—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the interaction between service providers and their network customers, e.g. customer relationship management
- H04L41/5067—Customer-centric QoS measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/15—Flow control; Congestion control in relation to multipoint traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/808—User-type aware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
Definitions
- the present invention relates to a technique for controlling a network and a service.
- the terminal of the data destination is determined based on the user's surroundings (time / place, belongings and peripheral devices) and a hypothesis on the user's intention derived from past behavior patterns (hereinafter also referred to as user context).
- user context There are services that change or select the terminal to receive (see, for example, Patent Document 1).
- Patent Document 1 Non-Patent Document 1
- Non-Patent Document 3 Non-Patent Document 3
- Patent Document 5 There is also a technique for managing the relationship between a user and an object read by a reader carried by the user (see, for example, Patent Document 5).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-206670
- Patent Document 2 JP 2004-236198 A
- Patent Document 3 WO04Z073269
- Patent Document 4 Japanese Patent Laid-Open No. 2003-333639
- Patent Document 5 Special Knight P03Z02498
- Non-Patent Document 1 Masafumi Kato, “Ubiquitous Network Deployment Strategy Network and Middleware Utilization of Knowledge”, [online], June 24, 2004, Ubiquitous Networking Forum Ubiquitous Strategy Symposium, Internet ⁇ URL> http: // ww w. Ubiquitous— forum, jpz documents / sympo20040624, index. Html> July 20, 2016, IEICE Real-Time Oriented Ubiquitous Network Workshop Workshop (URON), Internet URL: http: // www. Leice. Org / csZ uron / workshop 2004. html>
- Non-Patent Document 3 Kazuo Imai, "4th Generation Mopile Network and Development to Ubiquitous", [online], July 20, 2004, IEICE Real-Time Oriented Ubiquitous Network Workshop Workshop ( URON), Internet ⁇ URL: http: ZZwww.ieice.o rgZ csZ uronZ workshop 2004.html>
- Non-Patent Document 4 Masafumi Karofuji, "Next generation IP network control based on traffic engineering ,, [online], April 7, 2004, The ATM Forum I CBN2004, Internet URL: http: ZZwww. Atmforum. com / meeting s / icbn04— program. html>
- NW and service control taking into account user status and network (hereinafter also referred to as NW) status, as well as recommended values for the delivery method of content delivered to users, which is a requirement of service providers The technology to do this is not yet considered.
- the basic aim of the present invention is to control NW by automatically taking into account requests from users, network operators, and service providers. It also aims to automatically find a compromise when the three parties have conflicting requirements.
- One of the objects of the present invention is that when providing a communication service such as content distribution, the requirements for the NW are automatically determined using information on the user context and user preferences and recommended information of the service provider. There is a lot to decide.
- One of the objects of the present invention is to dynamically optimize network resource allocation using NW context and NW operation policy when performing NW control that satisfies the determined requirements.
- Another object of the present invention is to provide a technology that reflects the intentions of users and service providers, and at the same time, makes effective use of NW resources.
- the network 'service control method of the present invention comprises:
- the network 'service control method of the present invention includes:
- the network 'service control method further includes
- the network 'service control method of the present invention includes:
- the network context appears in response to at least information regarding network demand trends, information regarding current usage of network resources, information regarding network operation patterns that appear when an abnormality occurs, and control over the network. It contains any one of the information on the network operation pattern.
- the network 'service control method of the present invention includes:
- the service control step includes the user profile and the service profile.
- a first setting step of setting a request condition for the network in preference to either one of the preset conditions when the conditions shown are different is provided.
- the network 'service control method of the present invention includes:
- the second setting step is characterized in that, among conditions registered in the user profile and the service profile, a condition that is more demanding is set as a requirement for the network.
- the second setting step includes a step of setting, as a requirement condition for the network, a condition that is less demanding among conditions registered in the user profile and the service profile.
- the network 'service control method of the present invention includes:
- the second setting step includes
- the network 'service control method of the present invention includes:
- the second setting step is characterized in that a part of the parameters registered in the user profile and the service profile is set as a required condition for the network with reference to some parameters.
- the network 'service control method of the present invention includes:
- the partial parameter is a product set of parameters registered in both the user profile and the service profile.
- the network 'service control method of the present invention includes: In the second setting step, a union of parameters registered in both the user profile and the service profile is set as a request condition to the network.
- the network 'service control method of the present invention includes:
- the network 'service control method of the present invention includes:
- the method includes a step of setting, as a required condition for the network, a value having severe conditions in the common range.
- the network 'service control method of the present invention includes:
- the method includes a step of setting a loose value in the common range as a requirement for the network.
- the network 'service control method of the present invention includes:
- a service control means for generating a request condition of the network, a user context sensing for managing a user context; a process for requesting a user context from the management means;
- the user context sensing / management means notifying the service control means of the requested user context.
- the network service control method of the present invention includes:
- the context management means for managing the user context transmits the user context to the context aware service control means for generating the network request condition.
- the process of carrying out is provided.
- the network 'service control method of the present invention includes:
- a step of performing when a change occurs in the user context is a step of performing when a change occurs in the user context.
- a step of performing every time interval of a fixed period is a step of performing every time interval of a fixed period.
- the network 'service control method of the present invention includes:
- the network 'service control method of the present invention includes:
- the network 'service control method of the present invention includes:
- a step of determining a next check time in which the time interval is extended from the previous check time is provided.
- the network 'service control method of the present invention includes:
- the network 'service control method of the present invention includes:
- Obtaining the user context comprises:
- the electronic tag force The matching force between the acquired identification information and the terminal identification information is derived, and the relationship between the object to which the electronic tag is attached and the owner of the object is A user context.
- the network 'service control method of the present invention includes:
- Obtaining the user context comprises:
- a reader arranged at a predetermined location reads information from the electronic tag of the object to which the electronic tag is attached;
- the network 'service control method of the present invention includes:
- Obtaining the user context comprises:
- a step of acquiring the position information of the object as a user context using a Global Positioning System is provided.
- the network service control method of the present invention includes:
- the electronic tag stores identification information related to the electronic tag and attribute information indicating information related to the object to which the electronic tag is attached.
- the network 'service control method of the present invention includes:
- the network 'service control method of the present invention includes:
- the reading step includes
- the network 'service control method of the present invention includes:
- the reading step includes
- the context management means Based on the identification information of the electronic tag, the attribute information of the object to which the electronic tag is attached is stored, the address of the server is managed, and the identification information is stored in the network address resolution server. Acquiring the address of the server where the attribute information is stored;
- the context management means includes a step of acquiring attribute information from the server using the address of the server.
- the network 'service control method of the present invention includes:
- the reading step includes
- the context management means acquires from the identifier stored in the electronic tag, the attribute information stored in a domain name system server and the address of the server stored;
- the network 'service control method of the present invention includes:
- the identification information and the network address of the server in which the attribute information is stored or the attribute information is stored in the electronic tag, and the identification information to be accessed in order to obtain the network address of the server The network of the network address resolution server Address is stored.
- the network service control method of the present invention includes:
- the network 'service control method of the present invention includes:
- the network service control method of the present invention includes:
- the network service control method of the present invention includes:
- the context management means generating location attribute information from the received identifier.
- the network service control method of the present invention includes:
- the network service control method of the present invention includes:
- the reading step includes
- the network service control method of the present invention includes:
- the reading step includes
- the attribute information of the object to which the electronic tag is attached is stored, the address of the server is managed, and the identification information is stored in the network address resolution server. Acquiring the address of the server where the attribute information is stored;
- the context management means includes a step of acquiring attribute information from the server using the address of the server.
- the network service control method of the present invention includes:
- the reading step includes
- Context management means for managing the user context uses the identifier of the attribute information stored in the electronic tag and stores the address of the server storing the attribute information stored in the domain name system server. A process of acquiring; The context management means for managing
- the network service control method of the present invention includes:
- the electronic tag stores identification information and a network address of a server in which attribute information is stored, or identification information to be accessed to acquire the network address, and a network address of a network address resolution server.
- the network service control method of the present invention includes:
- Obtaining the user context comprises:
- Object Z attribute management database in which context management means for managing the context exists independently of the object Z user relationship management database and information on the relationship between the user and the object stored in the object Z user relationship management database. It is a step of acquiring attribute information of an object stored in the server and managing a user's peripheral situation as a user context from the user, the object, and the attribute information.
- the network 'service control method of the present invention includes:
- Obtaining the user context comprises:
- the context management means for managing the context stores the identification information of the object to which the electronic tag is attached and the attribute information read by the reader by a reader in a single database, and the user is identified from the user, the object, and the attribute information. It is a process that manages the surrounding situation of the user as a user context.
- the network 'service control method of the present invention includes:
- the step of acquiring the user context includes a step of managing a context as a user context by requesting attribute information of an object when the reader reads the electronic tag force information, when the context management means for managing the context reads the electronic tag force information.
- the network 'service control method of the present invention includes:
- the context management means for managing the context requests the attribute information of the object at a predetermined time, A process for managing is provided.
- the network 'service control method of the present invention includes:
- the predetermined time is when a service is requested.
- the network service control method of the present invention includes:
- the predetermined time is a predetermined time
- the network 'service control method of the present invention includes:
- the network control means for allocating the network resources When allocating network resources that satisfy the requirements determined by the context-aware service control means for determining the requirements for the network, the network control means for allocating the network resources sends information media. The process of changing is provided.
- the network 'service control method of the present invention includes:
- Encoding method of information transmitted by the network control means for allocating network resources when allocating network resources that satisfy the requirements determined by the context-aware service control means for determining the requirements for the network The process of changing is provided.
- the present invention uses the user context indicating the user status and the like to control the NW and the service, so that it is highly convenient for the user and can provide the service.
- the user can receive information in the form and format designated in advance by the user according to the location and belongings.
- the requirements for the network are determined in consideration of the user's situation, user preferences, and service provider's recommendations, and the network situation and past operational experience are determined.
- the network resources are dynamically allocated to reflect the intentions of users, network operators, and service providers, and NW resource allocation is dynamically optimized.
- NW resource allocation that satisfies the user's requirements is also made in accordance with the network operator's policy. Therefore, it is possible to obtain a ripple effect that the service request from as many users as possible can be accepted by making effective use of the network.
- the present invention automatically determines the requirements for the network.
- QoS Quality of Service
- the user has to declare various parameters.
- the present invention does not require complicated reporting, and provides optimum QoS according to the location and possession of the user.
- the user's request can be automatically found even if the user does not specify the request according to the situation. t, you can get the effect.
- the present invention can provide QoS considering the recommended value of the service provider. Further, the present invention performs optimal allocation of network resources. Therefore, the present invention makes effective use of network resources and minimizes call loss.
- the present invention adjusts the requirements for the network to loose conditions when the conditions recommended by the service provider are different from the conditions derived from the user profile. Alternatively, the present invention relaxes the requirements on the network upon call loss. By this processing, the present invention can minimize call loss. In other words, the present invention can minimize the occurrence of opportunity loss due to call loss for service providers and network operators. Further, according to the present invention, since the possibility that the user can receive the service is increased, it is possible to obtain high availability for the user.
- FIG. 1 is a conceptual diagram of an embodiment of a network service control system of the present invention.
- FIG. 2 is a conceptual diagram of a network architecture of an embodiment of a network 'service control system of the present invention.
- FIG. 3 is a configuration diagram of an embodiment of a network service control system of the present invention.
- FIG. 4 is a conceptual diagram of an example of a user profile used in an embodiment of a network 'service control system of the present invention.
- FIG. 5 is a conceptual diagram of an example of a user context used in an embodiment of a network 'service control system of the present invention.
- FIG. 6 is a conceptual diagram of an example of a service profile used in an embodiment of a network 'service control system of the present invention.
- FIG. 7 is a conceptual diagram of an example of a network context used in an embodiment of a network service control system of the present invention.
- FIG. 8 is a flowchart of NW request condition extraction operation in an embodiment of the network service control system of the present invention.
- FIG. 9 is a flowchart of the operation of the NW control server in an embodiment of the network 'service control system of the present invention.
- FIG. 10 is a conceptual diagram of NW control according to an embodiment of the network 'service control system of the present invention.
- FIG. 11 is a flowchart of the operation of the context service control logic of the embodiment of the network service control system of the present invention.
- FIG. 12 is a conceptual diagram of context security 'home security, which is a second example of a service provided by an embodiment of a network' service control system of the present invention.
- FIG. 13 is a conceptual diagram of a position and ownership relationship recognition system of an embodiment of a network 'service control system of the present invention.
- FIG. 14 is a conceptual diagram of a position and ownership relationship recognition method of an embodiment of a network 'service control system of the present invention.
- FIG. 15 is a conceptual diagram of a position and ownership relationship recognition system of an embodiment of a network 'service control system of the present invention.
- FIG. 16 is a conceptual diagram of an address resolution technique and a tracking control technique according to an embodiment of a network 'service control system of the present invention.
- Network of the present invention is a conceptual diagram of an attribute information reference method of an embodiment of a service control system.
- Network of the present invention is a conceptual diagram of an attribute information reference method of an embodiment of a service control system.
- Network of the present invention is a conceptual diagram of an attribute information reference method according to an embodiment of a service control system.
- the network of the present invention is a conceptual diagram of an attribute information reference method of an embodiment of a service control system.
- the network of the present invention is a conceptual diagram of a DB used by the attribute information management method of one embodiment of the service control system.
- Network of the present invention is a conceptual diagram of DB used by the attribute information management method of the embodiment of the service control system.
- Network of the present invention is a flowchart of the operation of the attribute information registration method of the embodiment of the service control system.
- Network of the present invention is a flowchart of the operation of the attribute information registration method of the embodiment of the service control system.
- FIG. 25 is a conceptual diagram of a context notification system according to an embodiment of a network 'service control system of the present invention.
- FIG. 26 is a conceptual diagram of a context notification method according to an embodiment of a network 'service control system of the present invention.
- Network of the present invention is a flowchart of an operation of a condition matching confirmation method according to an embodiment of the service control system.
- Network of the present invention is a flowchart of the operation of the condition matching confirmation method of the embodiment of the service control system.
- FIG. 1 is a schematic diagram of an embodiment of a network 'service control system of the present invention.
- one embodiment of the network 'service control system of the present invention provides a user context, a user profile, a service profile, a network context, a network operator's
- NW resource allocation is dynamically optimized using the operation policy (hereinafter, network may be referred to as NW).
- NW operation policy
- FIG. 2 is a conceptual diagram of a network architecture of an embodiment of the network 'service control system of the present invention.
- the network architecture of an embodiment of the present system includes two control planes, NW control and service control.
- a plane is a unit that distinguishes network functions.
- the two control planes, NW control and service control each perform sensing. Sensing refers to observing and observing a situation and sensing its intentions and trends in order to make a hypothesis about the situation.
- the service control plane manages the user context.
- User context is used to make hypotheses about the user's intentions and This is knowledge information that is derived from the user's personal belongings, the situation around the user, and the user's past behavioral pattern.
- the service control plane is distributed with information stored in the user profile, which is information registered by the user at an arbitrary timing regarding the desired form of provision when the user distributes the information.
- the information provider's ability regarding the recommended value of the information provision form is referred to the information stored in the service profile, which is the registered information, and the requirements for the NW are determined. Then, the service control plane notifies the determined request condition to the NW control plane.
- the NW control plane manages the NW context.
- NW context is used to make hypotheses about NW behavior, and is knowledge information derived from the current traffic, NW performance, and other operational conditions.
- the NW control plane automatically allocates resources dynamically and based on the received requirements, NW context, and NW operational policy.
- a requirement condition notified to the NW control plane for example, a condition that video X is transmitted to the mobile terminal of user A at 6 Mbps can be cited.
- Examples of operational policies include keeping the network QoS level at a predetermined level, equalizing the load on the entire network, and maximizing the use of resources.
- the operation policy can be regarded as a strategy of the network operator. Therefore, for example, an operation policy that “uses a large bandwidth to provide the highest quality” may be set. What type of operation policy is set can be appropriately set by the network operator. It is okay.
- the network architecture shown in Fig. 2 executes NW control and service control that simultaneously satisfy the requests of the user, the service provider, and the network provider. can do.
- FIG. 3 is a configuration diagram of an embodiment of a network service control system according to the present invention.
- an embodiment of the network 'service control system of the present invention includes a content server 201, an NW control server 202, a service control server 203, At least one user terminal 204, 205 is provided.
- the content server 201, the NW control server 202, the service control server 203, and at least one or more user terminals 204 and 205 are connected to each other via a network.
- the content server 201 transmits content for distribution from a content database for distribution 206 (hereinafter also simply referred to as DB) to the network.
- the user terminals 204 and 205 receive the content distributed by the NW control server 202 from the distribution content database 206 of the content server 201.
- the NW control server 202 is connected to an NW context DB 208 that stores an NW context, and an NW operation policy DB 207 that stores an NW operation policy.
- the NW control server 202 includes an NW context sensing management unit 212 and an NW control unit 213.
- the NW context sensing and management unit 212 collects NW status and NW trend information.
- the NW status information is information about the current status of the NW, such as the load status of each router and the status of line traffic.
- NW trend information is information that is predicted based on the operating state of the past drought, such as information that the load on a specific router is high during the morning on weekdays.
- the NW context sensing 'management unit 212 manages the collected information as an NW context. Further, the NW context sensing 'management unit 212 updates the collected information.
- the NW operation policy DB 207 stores information indicating a policy regarding the operation of the NW registered as appropriate by the NW operator.
- the NW control unit 213 includes the NW request condition transmitted from the service control server 203, the NW context transmitted from the NW context sensing 'management unit 212, such as the NW status and NW trend, and the NW operation policy DB 207.
- the NW resource allocation is dynamically optimized based on the operational policy referenced from. For example, the NW control unit 213 determines the optimum route and distributes the content along the route.
- the service control Sano 203 includes a user context sensing / management unit 214 and a service control unit 215.
- the service control server 203 is connected to the user context DB2 09 and the service profile DB211.
- the user context DB 209 includes a user profile DB 210.
- the user context sensing 'management unit 214 collects information on the situation around the user.
- the situation around the user includes the position and location of the user, the ownership relationship between the user and the object, the user's talk partner, and the like. Of course, other information may be included.
- the user context sensing 'management unit 214 manages the collected information as a user context and updates the information. It also manages information such as the user profile that is registered by the user, such as information about the provision form when the user distributes the information, and updates the information. Further, the service control server 203 manages the information registered by the information provider as the recommended value of the distribution type of information to be distributed as a service profile, and updates the information. The service control unit 215 generates a request condition for the NW based on the user context, the user profile, and the service profile.
- FIG. 4 is an example of user profile data managed by the user profile DB 210.
- the computer can understand the contents of the user profile based on the registered parameter types and their values.
- the mobile terminal is the destination of information distribution on the second line. It is registered on the line that it should be transmitted at 384 Kbps as the information distribution bandwidth.
- the user profile can be set as appropriate by the user, and a plurality of profiles can be set for a single user, for example, according to information on the current position of the user.
- FIG. 5 is an example of user context data managed in the user context DB 209.
- the user A's context contains information that the current location is on the train in the first line and the terminal used in the second line is a mobile terminal.
- the service control server 203 can determine which of the data registered in the user profile DB 210 should be referred to.
- the current location of user A is not limited to home power.
- Service control server 203 uses the data of condition 1 among the user profiles registered for user A so that the location condition matches the user context data. It can be determined that it should be referred to.
- FIG. 6 shows an example of service profile data managed by the service profile DB 211.
- the computer can understand the contents described in the service profile based on the registered parameter types and their values.
- the profile of content 1 the name of the content is movie 1
- the recommended bandwidth at the time of distribution is from 3Mbps to 6Mbps
- the duration of the content is 2 hours and 10 minutes
- the language is English It is registered that there are Japanese and English data as subtitle data.
- the service profile can be set as appropriate by the content provider.
- the service control server 203 can obtain information on what distribution conditions should be distributed according to the content requested to be distributed by the user. it can.
- Fig. 7 shows an example of network context data managed by the NW context DB 208. The computer can understand the contents described in the service profile based on the types of registered parameters and their values.
- router A should be avoided from 9:00 to 10:00 on weekdays, and information that traffic is concentrated is registered as a remark.
- the NW control server can obtain the conditions to be considered when determining the route for distributing the content.
- FIG. 8 is a flowchart of NW requirement extraction operation in an embodiment of the network service control system of the present invention.
- processing is triggered by the fact that the service control server 203 has received a content distribution request from a user. Even if the service control server 203 receives a content distribution request directly from the user, it passes through another server (not shown in FIG. 3). You may receive it.
- the service control server 203 receives a content distribution request with user power (S2801). In this step, information for specifying the user is received together with information for specifying the content to be distributed.
- the user context is read from user context DB 209 (S2802), and the read user context is read.
- the user profile DB 210 is read according to the contents of the service profile, and the service profile DB 211 is read according to the content information obtained at S2801 (S2803).
- the service control unit 215 determines NW request conditions by (S2804).
- the service control unit 215 registers the value registered in the user context for the parameter type “location” in the user A profile illustrated in FIG. 4 in S2803. Read the user context of condition 1 that is the same as the value being set.
- the service control unit 215 selects the service profile of content 1 whose content name is the same as the distribution request from the service profiles illustrated in FIG. Read.
- the delivery destination is the mobile terminal of user A
- the delivery is 384Kbps in class A
- the audio is converted into subtitles and Japanese. Determine the NW requirement to deliver content A.
- the parameter type “location” of the user context of user A referred to in S2802 is set to the home. If the data is registered, it can be determined that the user A is currently at home and the service control unit 215 uses the parameter type “of the profile of the user A illustrated in FIG. Read the user context of condition 2 where the value registered in “Location” is the same as the value registered in user context. In addition, since the distribution request for movie A is received in S28 01, the service control unit 215 shows an example in FIG. Load the service profile of content 1 whose content name is the same as the distribution request.
- the distribution destination is HDTV (node disc TV) at the home of user A
- the distribution is class A at 6Mbps
- the subtitles are Japanese. Determine the NW requirement for content A to be converted into words.
- processing is triggered by the NW control server 202 receiving the NW request condition from the service control server 203 as a trigger.
- the NW control server 203 receives the NW request condition from the service control server 203 (S2901).
- the related NW context is read from the NW context DB 208 (S290 2), and moreover, this [NW operation policy DB 207 is read ( S2903).
- the NW control unit 213 determines distribution conditions such as routes and conditions for actually distributing the contents (S2904), and based on the distribution conditions, the network resource The allocation is performed and the content is distributed (S2905).
- S2901 indicates that the distribution destination is the mobile terminal of user A, the distribution is class A at 384 Kbps, and the audio is converted into subtitles and converted to Japanese, and content A is distributed NW
- the NW control unit 213 is S2902, and the related network context is shown as condition 1 in FIG. Read the context shown in. Based on this, it is determined that a delivery route that avoids Router A should be selected.
- an operation policy such as “determine a distribution route so that the load on the entire network is equal” is read from the NW operation policy DB 207.
- the NW control unit 213 uses S2904 to access the content A.
- the distribution is 384Kbps in class A, and the route that bypasses router A by converting audio to subtitles and Japanese, is a route that equalizes the load on the entire network.
- the! / ⁇ ⁇ delivery conditions are determined, and delivery is performed at S2905.
- NW control unit 213 uses V to pass the first route through router A. Decide as distribution route.
- the distribution destination is the HDTV (node disc TV) at the home of user A, the distribution is class A at 6 Mbps, and the subtitles are converted to Japanese and the content A is distributed.
- the NW control unit 213 receives the associated network context in S2902. Then, the context shown in condition 2 in FIG. 7 is read.
- the distribution request from user A is 19:00.
- the time required for distribution of movie A, which is the distribution target is 2 hours and 10 minutes, so add 2 hours and 10 minutes from 19:00 to 19:00.
- an operation policy such as “distribute by the shortest route” is read from the NW operation policy DB 207.
- NW control ⁇ is S2904, content A is directed to User A's HDTV, delivery is class A at 6Mbps, and subtitles are converted to Japanese If a route that avoids content server A is distributed so that the load on the entire network is equal,! / ⁇ ⁇ distribution conditions are determined, and distribution is performed in S2905.
- FIG. 10 is a conceptual diagram of NW control according to an embodiment of the network 'service control system of the present invention.
- the distribution processing performed in S2905 based on the distribution conditions determined in S2904 and the network control method can be performed using conventional techniques.
- the weather information will be displayed when information access other than weather information is requested as the network context. It is also possible to register a ⁇ ⁇ context without selecting a server where is stored. In this way, by registering information related to demand fluctuations in the network context, it is possible to determine a delivery route in anticipation of network congestion that is known in advance.
- the communication quality deteriorates when the busy time is reached.
- the NW control server 202 routes in anticipation of traffic congestion. And the server can be selected, so the network is less crowded. Therefore, it is possible to prevent the quality degradation of the best F auto service.
- the above-described example of the network context is a hypothetical one that is not deterministic like a reservation-type service in which a user or an operator makes a resource reservation in a future time zone.
- the demand fluctuation trend NW context of this embodiment is to make a hypothesis based on the knowledge acquired until now.
- traffic behavior when a failure or a misoperation occurs can be accumulated as a network context, and this network context can be used to detect a failure or a misoperation.
- this network context can be used to detect a failure or a misoperation.
- the route is determined avoiding the location where a failure or misoperation has occurred, the server where the failure has occurred is disconnected from the network, or further monitoring is started to know the cause details, the context Can be considered.
- the relationship between the strength and effect of control when network control is performed can be used as a network context. For example, if multiple routers simultaneously apply control such as load balancing to congestion detected by multiple routers, over-control may occur, causing a vibration phenomenon.
- FIG. 11 is a diagram for explaining the NW request condition determination process performed by service control unit 215 in S2804 of FIG.
- the service control unit 215 performs this processing based on the UP and SP data already read.
- S2306 is a priority predetermination type determination method.
- the value of the parameter that is given priority among UP and SP is adopted as the NW requirement. For example, in cases where priority is given to V or deviation, for example, the case of giving priority to either UP or SP, the case of giving priority to the more severe condition of UP or SP, or the loosening of the condition of UP or SP. There are cases where priority is given to the person.
- the SP parameter when transmitting video data, if the parameter value related to the UP bandwidth is 3Mbps and the parameter value related to the SP bandwidth is 6Mbps, the SP parameter is used when the conditions are strict. When this is set to 6 Mbps, this value is adopted as the NW requirement. In addition, when it is adopted for those with milder conditions, it is set as the UP parameter and only 3Mbps is adopted as the required condition.
- NW control servo 202 performs distribution based on the NW requirement condition first for conditions that are more demanding, and NW control is performed if a call loss occurs in the distribution.
- the server 202 notifies the service control server 203 that a call loss has occurred, and upon receiving the notification, the service control server 203 determines the NW requirement condition determination method from the determination method that adopts the stricter one. Change to a decision method that adopts the method, reset the NW request condition again and notify the NW control server 202 of the NW request condition, and the NW control server 202 also has the updated NW request condition. It is also possible to decide the delivery conditions.
- S2307 is a content comparison determination type determination method.
- the NW requirement is determined by comparing the values of the UP and SP parameters.
- This decision method is a method that is applied when the parameter content is described in a range rather than a specific value. As a result of comparing the values of both parameters, there are various methods for determining the value to be adopted as the NW requirement.
- the specific value can be used as an NW requirement if the specific value is within the range. . If the specific value is not within the range, the NW requirement can be the value in the range closest to the specific value, that is, the maximum or minimum value of the range.
- user profile condition 1 in FIG. 4 has “384 Kbps” set as a bandwidth parameter
- service profile content 1 in FIG. 6 has “3M-6 Mbps” set as a bandwidth parameter. According to this determination method, 3Mbps is adopted as the value of the band parameter as the closest value to 384Kbps out of 6Mbps from 3M power. .
- the specific value may be unconditionally set as the NW requirement.
- the value indicating the range may be unconditionally set as the NW requirement.
- the overlapping range can be set as the NW requirement. If the range values do not overlap, only one of the profile values can be used as the NW requirement by any of the methods described above. Also, even if one or both parameter values indicate a range, the value of either one of the parameters may be prioritized by the method of S2306 instead of S2307. If the same type does not exist in both parameters, each parameter type of both parameters, that is, the union of both parameters can be used as the NW requirement.
- the bandwidth and delay class in the user profile If the parameters are set for the packet loss rate and the delay class in the service profile, the three parameters of the bandwidth, the packet loss rate, and the delay class, that is, the sum of both profiles, are set. The set can be an NW requirement! /, And the delay class parameter, that is, the product set of both profiles can be the NW requirement, and only the bandwidth parameter or the packet loss rate parameter can be used. One parameter can be used as NW requirement! /.
- the user context that represents information such as the user's current location, whereabouts, and possession terminal when delivering content to the user with the configuration shown in FIG.
- the service control server 203 determines the NW request condition based on the user profile indicating the user's preference about the content providing method and the service profile set for the content. Then, the NW control server 202 is based on the NW requirement, the NW context, and the NW operation policy.
- system configuration for carrying out the present invention may not be the configuration shown in FIG.
- user context sensing 'management means 214 is not the service control server 203
- FIG. 12 is a conceptual diagram of a second example in which the present invention is applied to home security.
- the home security service of this second example is a service that notifies a resident or police when a person such as a thief invades from the outside.
- information about the user's current location and information about whether the user's residence is human-powered
- the user profile when the current location of the user is other than the residence, if it is detected that a person has invaded the residence, the information of notifying the resident and the police to that effect is registered in advance.
- the user context sensing 'management unit 214 updates the contents of the user context DB 209 and notifies the service control unit 215 that the update has been made. To do.
- the service control unit 215 reads the updated user context and determines the NW request condition according to the information stored in the user profile DB.
- An example of the NW requirement is to activate SIP and call the police or residents.
- processing other than making a call is also conceivable depending on the change in the situation of the user content that a person has entered the residence.
- it is possible to expand services such as starting up and recording a surveillance camera, and streaming information captured by the surveillance camera to a police TV monitor.
- the service control server 203 determines the NW request condition based on the user profile and the user context.
- FIGS. 13 and FIG. 15 are conceptual diagrams of the position and ownership relationship recognition system of one embodiment of the network service control system of the present invention.
- FIG. 16 is a conceptual diagram of an address resolution technique and a tracking control technique according to an embodiment of the network service control system of the present invention.
- FIG. 13 is a user reading method position and ownership relationship recognition method.
- this system has a mobile phone, PDA, mobile PC, etc., with which the user has a reader function.
- RFID tags RFID are attached to objects and places. This method captures the logical relationship between an object and its owner.
- a mobile phone address and an electronic tag read by the mobile phone are combined.
- This second example is a reader embedding position and ownership relationship recognition system.
- an electronic tag (RFID) is assigned to a moving object or person.
- readers are embedded everywhere.
- the signal of the electronic tag is read by a reader. The second example method recognizes that the object or person has passed through the place where the leader is located.
- This third example is a positional relationship recognition method using GPS.
- GP global positioning system
- FIG. 16 is a conceptual diagram of an address resolution technique and a tracking control technique according to an embodiment of the network 'service control system of the present invention.
- a user who sends information issues a question by meaning to the ID resolution server.
- the question is Mozart DVD buyer.
- the ID resolution server sends the ID of the Mozart DVD to the user.
- the user transmits information based on the received ID.
- the object location management server responds with an inquiry of the location of the object as the owner.
- FIGS. 17, 18, 19, and 20 are conceptual diagrams of the attribute information reference method of one embodiment of the network service control system of the present invention.
- the first method of the attribute reference method of this embodiment is a method in which attribute information as well as ID is written to the electronic tag in the above-described position and ownership relationship recognition method.
- the attribute information is, for example, information that this place is a conference room and this device is a PC.
- the attribute is known when the contents of the electronic tag are read.
- the first method of the attribute reference method of this embodiment is a method in which the load is hardly applied to the NW.
- the first method of the attribute reference method of this embodiment has a limited amount of information included in the attribute information.
- the second method of the attribute reference method of this embodiment is a case where only the ID is written in the electronic tag in the above-described position and ownership relationship recognition method.
- the attribute information is stored in the server.
- the attribute information is read from the server via the network.
- the second method of the attribute reference method of this embodiment includes a method of directly accessing the server as a method of reading attribute information from the server.
- the ID-NW address resolution server is queried for the address of the server in which the attribute information of the object having a predetermined ID is written.
- the attribute information is acquired by accessing the server in which the attribute information is written.
- the method of 2 can newly define the format of ID and detailed information.
- this method is an attribute reference method that is a first intermediate method between the method shown in FIG. 17 and the method shown in FIG.
- attribute information is stored in an electronic tag.
- an ID and an identifier (for example, URL) of this attribute information are stored in the electronic tag. Therefore, the third method of this attribute reference method specifies the IP address of the server whose attribute information is written via the existing DNS (Domain Name System) based on this URL.
- the attribute reference method of the third method obtains attribute information from the server. If the attribute information pointed to by ID can be referenced using an existing URL, this third attribute reference method is convenient.
- the fourth method is an attribute reference method that is a second intermediate method between the method shown in FIG. 17 and the method shown in FIG. 18 in the position and ownership relationship recognition method described above.
- the attribute information is not stored in the electronic tag.
- the electronic tag stores an ID and an NW address.
- This NW address is the NW address of the server containing the attribute information, such as an IP address.
- what is stored in the electronic tag is an ID and an ID to be accessed to know the NW address—the NW address of the NW address resolution server. There may be.
- This electronic tag may store the NW address of the intermediate server. The information stored in the electronic tag may be rewritten in order.
- This fifth method is a method of grasping the direction of movement of a moving person or object from the passage history of several readers in the method shown in FIG. For example, in this embodiment, when the reader A and the reader B sequentially record the currency history, it recognizes that a person or an object moves in the direction of the reader A force leader B.
- This sixth method is the same as the method shown in Fig. 14, because the movement of the object and the movement of the leader are the same. It is a method of recognizing that it is moving, that is, a relationship of ownership or a conversation partner.
- the seventh method is a method in which the embedded reader force and attribute information of the place are sent in accordance with the method shown in FIG.
- the eighth method is a method in which only the identifier of the place where the embedded reader force and the place are sent is transmitted in the method shown in FIG. And this 8th method specifies the attribute of the place as well as its identifier power via the network.
- the ninth method of the attribute reference method will be described.
- the attributes of the person or thing that carries the electronic tag in the method shown in FIG. 14 are referred to as in the case shown in FIGS.
- FIG. 21 and FIG. 22 are conceptual diagrams of DBs used by the attribute information management method of the embodiment of the network service control system of the present invention.
- the first method of the attribute information management method of this embodiment will be described with reference to FIG.
- the first method is RFID (object) Z reader (user) relation management DB in the NW control plane and RFID (object) Z attribute management DB in the service control plane. And exist independently.
- the first method queries the RFID (object) Z attribute management DB for the attributes of the objects related to the user (owned, coexisting on the spot, or nearby) as necessary.
- the first method obtains the user context.
- the object Z user relationship management DB force user (masa) is related to the object (# 0551).
- the # 0551 object is CD.
- these relationships also show that the user (# masa) owns an object that is CD! /.
- the second method of the attribute information management method of this embodiment will be described with reference to FIG. Light up.
- the RFID (object) read by the reader (user) and its attributes are managed by one DB.
- FIG. 23 and 24 are flowcharts of the operation of the attribute information registration method according to the embodiment of the network service control system of the present invention.
- the user context sensing management unit 214 is provided on a context management server different from the service control server 203.
- the relationship management DB and attribute management DB are provided in the context management server.
- Relationship management refers to managing the relationship between the user and the object ID.
- A has # 0551, and the information is B, and B has # 2385, the information is.
- Attribute management refers to managing object attributes.
- attribute management for example, there is information that # 0551 is a CD, and # 2385 is information that it is a conference room.
- Context management refers to managing the relationship between users and objects. Examples of context management are information that A has a CD and B is in a conference room.
- the attribute information registration method shown in Fig. 23 is a method of inputting attributes when the reader reads RFID.
- the tag ID and reader ID are sent from the reader to the relationship management DB.
- the information transmitted here is, for example, information that an electronic tag having identification information # 0555 has been read by A reader.
- the context management server acquires the relationship between the user and the object as well as the relationship management DB power.
- the relationship management DB sends the tag ID to the context management server.
- the context management server acquires attributes from the attribute management database.
- the attribute management DB sends the attribute to the context management server.
- the attribute transmitted here is, for example, information that # 0551 is a CD.
- the context-away service control server sends a context request to the context. Send to the management server.
- the context management server sends a context answer to the context-away service control server.
- the context reply sent individually is, for example, information that A has a CD.
- the attribute information registration method shown in Fig. 24 does nothing when the reader reads the RFID. However, the attribute information registration method shown in FIG. 24 is a method for inputting attributes when necessary.
- the reader transmits the tag ID and the reader ID to the relationship management DB.
- the information transmitted here is, for example, information that # 2385 has been read by B's reader.
- the context-away service control server requests a context from the context management server.
- the context management server acquires the relationship between the user and the object from the relationship management DB.
- the relationship management DB sends the tag ID to the context management server.
- the context management server obtains the object attributes from the attribute management DB.
- the attribute management DB transmits the attribute to the context management server.
- # 2385 is information about a conference room.
- the context management server returns a context to the context-away service control server.
- the content of the context to answer individually is, for example, information that B is in the conference room.
- the trigger of the process in which the context management server asks the relationship management DB for the relationship between the user and the object is as shown in Fig. 24 when the context is explicitly requested and the consistency It may be done automatically when checking.
- FIG. 25 is a conceptual diagram of a context notification system according to an embodiment of the network 'service control system of the present invention.
- the service control unit 215 displays the user context.
- Sensing 'management unit 214 or NW control unit 21 3 requests a context from the NW context sensing 'management unit 212.
- the user context sensing / management unit 214 or the NW context sensing / management unit 212 notifies the service control unit 215 or the NW control unit 213 of the context. Both the sequences in the case of FIG. 23 and FIG. 24 belong to this pattern.
- FIG. 26 is a conceptual diagram of a context notification method according to an embodiment of the network 'service control system of the present invention.
- the second example when this is necessary is an automatic notification type context notification method when a context consistency check is requested, that is, when conditions are consistent.
- the context consistency check means checking whether the attribute of the object indicated in the user context matches the attribute of the registered object.
- the user context sensing management unit 214 voluntarily notifies the service control unit 215 of the context.
- this condition for example, a case where a predetermined person reaches a predetermined place can be cited.
- FIG. 27 is a flowchart of the operation of the condition matching check method according to the embodiment of the network service control system of the present invention.
- a check is triggered by the occurrence of a change in context, such as when there is a change in the content of relationship management.
- the user and the service provider, etc. register the conditions in the context management DB in advance.
- a condition registered here for example, there is a condition that B is notified when it arrives at the conference room.
- the reader transmits the tag ID and the reader ID to the relationship management DB.
- the information transmitted here is, for example, information that # 2385 has been read by B's reader. And relationship management
- the DB notifies the context management DB of the relationship change.
- the context management DB asks the attribute management DB for the attribute of the object.
- the attribute management DB sends the attribute to the context management DB.
- the attribute sent here is, for example, # 2385 information about the conference room.
- the context management DB the information transmitted from the relationship management DB, the user and It is determined whether the information transmitted from the service provider or the like matches. Then, when the information transmitted from the relationship management DB matches the information transmitted from the user and the service provider, the context management DB notifies the user and the service provider of the context.
- the information notified here is, for example, information that B is in the conference room.
- FIG. 28 is a flowchart of the operation of the condition matching check method according to the embodiment of the network service control system of the present invention.
- the condition is checked using time.
- the satisfaction of the condition in FIG. 26 is checked by gradually increasing the time interval or decreasing the time interval from a certain period or the previous check time.
- the user, the service provider, and the like register conditions in advance in the context management DB.
- the embodiment requirement registered here is, for example, a condition that notification is made when B arrives at the conference room.
- the context management DB confirms whether or not the elapsed time has been exceeded.
- the context management unit asks the attribute management DB for the attribute of the object.
- the attribute management DB sends the attribute of the object to the context management DB.
- the information sent here is, for example, information # 2385 about the conference room.
- the process in which the attribute management DB sends the attribute to the context management DB is unnecessary if the attribute is already known.
- the context management DB determines whether or not the information registered in advance by the user, the service provider, and the like matches the information transmitted from the attribute management DB. If the information registered in advance by the user or service provider and the information sent from the attribute management DB match, the context management DB will provide the user and service provider. Inform the provider of the context.
- the context notified here is, for example, information that B is in the conference room.
- condition satisfaction check in FIG. 26 is performed at a set predetermined date and time.
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- 2004-11-26 DE DE112004003015.3T patent/DE112004003015B4/de not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
DE112004003015B4 (de) | 2016-12-15 |
US20070250628A1 (en) | 2007-10-25 |
JP5224689B2 (ja) | 2013-07-03 |
DE112004003015T5 (de) | 2008-01-10 |
JPWO2006057048A1 (ja) | 2008-06-05 |
US7949755B2 (en) | 2011-05-24 |
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