WO2008076523A2 - Procédé et système pour gérer des informations de présence dans un réseau de communication - Google Patents

Procédé et système pour gérer des informations de présence dans un réseau de communication Download PDF

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Publication number
WO2008076523A2
WO2008076523A2 PCT/US2007/082593 US2007082593W WO2008076523A2 WO 2008076523 A2 WO2008076523 A2 WO 2008076523A2 US 2007082593 W US2007082593 W US 2007082593W WO 2008076523 A2 WO2008076523 A2 WO 2008076523A2
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WO
WIPO (PCT)
Prior art keywords
clients
client
presence information
protocol server
network service
Prior art date
Application number
PCT/US2007/082593
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English (en)
Other versions
WO2008076523A3 (fr
Inventor
Aseem Sethi
Original Assignee
Motorola, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola, Inc. filed Critical Motorola, Inc.
Publication of WO2008076523A2 publication Critical patent/WO2008076523A2/fr
Publication of WO2008076523A3 publication Critical patent/WO2008076523A3/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • G06Q10/107—Computer-aided management of electronic mailing [e-mailing]
    • 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
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • 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
    • H04L67/50—Network services
    • H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users

Definitions

  • the present invention generally relates to communication networks, and more particularly, to a method and system for managing presence information in a communication network.
  • a communications network enables communication devices to communicate with each other.
  • Communication devices are important tools for transmitting and receiving data and information. Such devices are commonly used to transmit and receive voice and speech data over a distance.
  • Examples of a communication device can include a computer, a mobile phone, a smart phone, a fixed-line phone, a pager, and a Personal Digital Assistant (PDA).
  • Exchange of voice and speech data between multiple communication devices is generally carried out via, for example, a Base Transceiver Station (BTS).
  • BTS Base Transceiver Station
  • a communication device that is communicably coupled with the BTS can be referred to as a client.
  • a protocol server for example, a
  • DHCP Dynamic Host Configuration Protocol
  • the protocol server can assign Internet Protocol (IP) addresses, subnet masks, default routers and other IP parameters to a client when the client associates with the DHCP server.
  • Presence information pertaining to clients, assigned by the protocol server is communicated to a presence protocol.
  • a presence protocol monitors the presence information relating to a client in the communication network.
  • the presence information includes information related to the status of the client that conveys ability and willingness of the client to communicate with other clients in the communication network.
  • the presence information includes, but is not limited to, a Domain Name System (DNS) name, an Internet Protocol (IP) address, information of a client, security-related parameters, down-time information, and information relating to a provider.
  • DNS Domain Name System
  • IP Internet Protocol
  • CCP Session Initiation Protocol
  • SIP Session Initiation Protocol
  • URI Uniform Resource Identifier
  • a client has to search for the IP addresses of the other clients. For example, a client makes a request pertaining to a notification relating to other clients' presence information from a presence protocol by using the SIP.
  • the response time of the presence protocol is high due to the process of searching for the IP addresses of the other clients.
  • FIG. 1 illustrates an exemplary communication network, where various embodiments of the present invention can be practiced
  • FIG. 2 illustrates a block diagram of a protocol server, in accordance with an embodiment of the present invention
  • FIG. 3 is a flow diagram illustrating a method for managing presence services in a communication network, in accordance with an embodiment of the present invention
  • FIG. 4 is a flow diagram illustrating a method for managing presence services in a communication network, in accordance with another embodiment of the present invention.
  • FIG. 5 is a flow diagram illustrating a method for managing the association of a client with a network service, in accordance with an embodiment of the present invention.
  • the terms 'comprises,' 'comprising,' or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not include only those elements but may include other elements that are not expressly listed or inherent in such a process, method, article or apparatus.
  • An element proceeded by 'comprises ... a' does not, without more constraints, preclude the existence of additional identical elements in the process, method, article or apparatus that comprises the element.
  • the term 'another,' as used in this document, is defined as at least a second or more.
  • the terms 'includes' and/or 'having', as used herein, are defined as comprising.
  • a method for managing presence information in a communication network includes receiving the presence information at a protocol server from at least one client of a set of clients. Each client of the set of clients has unique presence information. Further, the method includes storing the presence information of the at east one client of the set of clients in the protocol server. Furthermore, the method includes providing the presence information of the at least one client of the set of clients to at least one client of a remaining set of clients by the protocol server. The remaining set of clients includes the set of clients apart from the at least one client of the set of clients.
  • a protocol server includes a transceiver.
  • the transceiver is configured to receive presence information from at least one client of a set of clients at a protocol server.
  • the transceiver is also configured to distribute the presence information of the at least one client of the set of clients to at least one client of a remaining set of clients.
  • the remaining set of clients is the set of clients apart from at least one client of the set of clients.
  • the protocol server also includes a memory, which is configured to store the presence information of the at least one client of the set of clients.
  • a Base Transceiver Station includes a transceiver, which is configured to receive presence information from at least one client of a set of clients at a protocol server.
  • the transceiver is also configured to distribute the presence information of the at least one client of the set of clients to at least one client of a remaining set of clients.
  • the remaining set of clients includes the set of clients apart from the at least one client of the set of clients.
  • the BTS also includes a memory, which is configured to store the presence information of the at least one client of the set of clients.
  • FIG. 1 illustrates an exemplary communication network 100, where various embodiments of the present invention can be practiced.
  • the communication network 100 can include a protocol server, a plurality of base stations, and a plurality of communication devices.
  • Example of the protocol server includes, but is not limited to, a Dynamic Host Configuration Protocol (DHCP) server.
  • DHCP Dynamic Host Configuration Protocol
  • Examples of the computational devices include, but are not limited to, a computer, a mobile phone, a smart phone, a fixed- line phone, a pager, and a Personal Digital Assistant (PDA).
  • PDA Personal Digital Assistant
  • the communication network 100 is shown to include a protocol server 102, a Base Transceiver Station (BTS) 104, a BTS 106, a computer 108, a mobile device 110, a mobile device 112, and a computer 114.
  • the protocol server 102 is associated with the BTS 104, the BTS 106, the computer 108 and the mobile device 110.
  • the protocol server 102 establishes an association with the mobile device 112 and the computer 114 via the BTS 104 and the BTS 106, respectively.
  • the computational devices and base stations associated with the protocol server 102 will hereinafter be referred to as clients.
  • application servers can publish their network services via the protocol server 102.
  • a client subscribed for accessing the application servers will be notified by the protocol server 102 about presence information of the application server.
  • the application server include, but are not limited to, a File Transfer Protocol (FTP) server, a Secure Copy Protocol (SCP) server, a Simple File Transfer Protocol (SFTP) server, and a Trivial File Transfer Protocol (TFTP) server.
  • FTP File Transfer Protocol
  • SCP Secure Copy Protocol
  • SFTP Simple File Transfer Protocol
  • TFTP Trivial File Transfer Protocol
  • a client broadcasts a discover message to locate available protocol servers, to establish an association with a protocol server.
  • the protocol server for example, the protocol server 102, which has available configuration parameters, transmits an offer message to the client in response to the discover message.
  • the client then sends a request message to the protocol server 102, making a request for the offered configuration parameters.
  • the request message is also send by the client to the protocol server 102, to confirm the previously allocated configuration parameters. For example, if the client prefers to retain the previously provided configuration parameters of the protocol server 102, in the case of a system reboot, the client can broadcast a request message to the protocol server 102. Further, the request message can be transmitted by the client to the protocol server 102, to extend the expired lease of the protocol server 102. The association is completed when the protocol server 102 transmits the acknowledge message to the client, along with the configuration parameters.
  • the protocol server 102 notifies the client by means of a presence tuple, along with an offer and an acknowledge message.
  • the presence tuple includes status information, an optional communication address, and an optional 'other presence' markup.
  • the protocol server 102 can provide a presence tuple that includes information such as presence information of the network service, IP address of the associated entities, and port number of Network Time Protocol (NTP) request.
  • the presence information can include a Domain Name System (DNS) name, an Internet Protocol (IP) address, information pertaining to a client, a security-related parameter, down-time information, and information relating to a provider.
  • DNS Domain Name System
  • IP Internet Protocol
  • a BTS can provide a presence tuple to a client, which includes information such as BTS presence information, subscriber presence information, and any security-related parameters.
  • Network services such as NTP can provide a presence tuple that includes information such as NTP presence information, provider presence information, down time, and the port number of an NTP request.
  • FIG. 2 illustrates a block diagram of the protocol server 102, in accordance with an embodiment of the present invention.
  • the protocol server 102 includes a transceiver 202, a memory 204, and a processor 206.
  • the transceiver 202 is configured to receive presence information from at least one client of a set of clients. Examples of the at least one client include, but are not limited to, BTSs and computational devices.
  • the presence information of the at least one client of the set of clients is communicated to the memory 204 by the transceiver 202.
  • the memory 204 is configured to store the presence information relating the at least one client of the set of clients received by the transceiver 202.
  • the transceiver 202 is configured to distribute the stored presence information of the at least one client of the set of clients to at least one client of a remaining set of clients. At least one client of the remaining set of clients includes the clients associated with the protocol server 102, apart from at least one client of the set of clients.
  • the transceiver 202 is also configured to receive a request for a network service such as the NTP service from the at least one client of the set of clients.
  • the NTP service synchronizes the clocks of the clients over the communication network 100.
  • the NTP service follows a hierarchical system for synchronizing these clocks.
  • the BTS clock is synchronized directly by the NTP service.
  • the clients associated with the BTS get their clocks synchronized by the NTP service via the BTS.
  • the transceiver 202 communicates the request to the processor 206.
  • the processor 206 is configured to determine whether that the at least one client of the set of clients is in a subscriber list of the network service.
  • the subscriber list includes the presence information pertaining to the clients associated with the network service at some point of time. For example, if the client was associated with the network service via a protocol server 102, then the client will be in the subscriber list of the network service.
  • the transceiver 202 transmits a renew request to at least this one client of the set of clients.
  • the renew request informs the at least one client of the set of clients to renew an association with the network service.
  • the at least one client of the set of clients then associates with the network service with the same Vendor Specific Options (VSO) as earlier.
  • VSOs are used by the at least one client of the set of clients to selectively enable or disable a particular service/application availability to the protocol server 102.
  • a VSO can be used to control whether the computers associated with the protocol server 102 send a release message pertaining to their current lease to the protocol server 102 when shutdown occurs.
  • Some specifications are needed to be defined to define a VSO. These specifications include, but are not limited to, an option name, a description of the option, the option type (IP address, for instance), minimum and maximum allowed values of the option (if the option is in a string), minimum and maximum allowed length of the option (if the option is an IP address, a string, a binary or an array). [0024] If the at least one client of the set of clients is not in the subscriber list of the network service, the transceiver 202 transmits the presence information pertaining to the network service to the at least one client of the set of clients.
  • the protocol server 102 enables an association of at least one client of the set of clients with at least one client of the remaining set of clients. This association enables the protocol server 102 to enables the protocol server to provide the presence information to at least one client of the remaining set of clients.
  • the at least one client of the remaining set of clients can retrieve presentity of at least one subscribed client of the set of clients.
  • the presentity is the presence availability record of the client.
  • the presentity includes the user status, such as online, offline, away, and the like.
  • FIG. 3 is a flow diagram illustrating a method for managing presence services in the communication network 100, in accordance with an embodiment of the present invention. The method shows the different steps involved in managing presence services in the communication network 100.
  • FIG. 1 and FIG. 2 reference will be made to FIG. 1 and FIG. 2, although it will be understood by a person ordinarily skilled in the art that the flow diagram can be implemented with reference to any other suitable embodiment of the present invention.
  • the method for managing presence services in the communication network 100 is initiated at step 302.
  • the protocol server 102 receives the presence information of the at least one client of the set of clients via the transceiver 202. Each of the clients of the set of clients has unique presence information associated with it.
  • the protocol server 102 stores the presence information of the at least one client of the set of clients in the memory 204. The presence information of all the associated clients stored in the memory 204 is communicated to the processor 206.
  • the protocol server 102 provides the presence information pertaining to the at least one client of the set of clients to at least one client of a remaining set of clients via the transceiver 202.
  • the remaining set of clients is the set of clients apart from at least one client of the set of clients. At least one client of the remaining set of clients is able to establish a communication session with the at least one client of the set of clients by using the presence information pertaining to the at least one client of the set of clients. Thereafter, the method terminates at step 310.
  • FIG. 4 is a flow diagram illustrating a method for managing presence services in the communication network, in accordance with another embodiment of the present invention.
  • the method shows the different steps involved in managing presence services in the communication network.
  • FIG. 1 and FIG. 2 reference will be made to FIG. 1 and FIG. 2.
  • the flow diagram can be implemented with reference to any other suitable embodiment of the present invention.
  • the method can have more or fewer number of steps than shown in FIG. 4.
  • the method for managing presence services in the communication network 100 is initiated at step 402.
  • the protocol server 102 associates with at least one client of the set of clients.
  • the at least one client of the set of clients broadcasts a discover message to locate available protocol servers.
  • the protocol server 102 with available configuration parameters, transmits an offer message in response to the discover message received.
  • the at least one client of the set of clients then sends a request message to the protocol server 102, making a request for the offered configuration parameters.
  • the request message is also send by the at least one client of the set of clients to the protocol server 102, to confirm the previously allocated configuration parameters.
  • the client can broadcast a request message to the protocol server 102 if the at least one client of the set of clients prefers to retain the previously provided configuration parameters of the protocol server 102. Further, the request message can be transmitted by the at least one client of the set of clients to the protocol server 102, to extend the expired lease of the protocol server 102. The association is completed when the protocol server 102 transmits the acknowledge message to the at least one client of the set of clients, along with the configuration parameters.
  • the protocol server 102 receives the presence information pertaining to the at least one client of the set of clients when the at least one client of the set of clients is associated with the protocol server 102.
  • the protocol server 102 stores the presence information pertaining to at least one client of the set of clients in the memory 204.
  • the protocol server 102 provides the presence information pertaining to the at least one client of the set of clients to at least one client of a remaining set of clients by the protocol server 102.
  • the remaining set of clients is the set of clients apart from at least one client of the set of clients.
  • FIG. 5 is a flow diagram illustrating a method for managing the association of a client with a network service.
  • the method shows the different steps involved in managing presence services in the communication network 100. To describe the flow diagram, reference will be made to the figures described above, although it will be understood by a person ordinarily skilled in the art that the flow diagram can be implemented with reference to any other suitable embodiment of the present invention.
  • the method is initiated at step 502.
  • the transceiver 202 receives a request from at least one client of the set of clients of a network service such as the NTP service.
  • the transceiver 202 communicates the request to the processor 206.
  • the processor 206 checks a subscriber list of the network service.
  • the processor 206 determines whether the at least one client of the set of clients is present in the subscriber list of the network service.
  • the transceiver 202 transmits the presence information pertaining to the network service to the at least client of the set of clients at step 510, if it is determined at step 508 that the client is not present in the subscriber list of the network service.
  • the transceiver 202 transmits a renew request to the at least one client of the set of clients at the step 512, if it is determined at step 508 that the client is present in the subscriber list of the network service.
  • the at least one client of the set of clients then associate with the network service with the same VSO as earlier. Thereafter, the method terminates at step 514.
  • Various embodiments provide a method and system for managing presence information in a communication network by means of a protocol server such as a DHCP server.
  • the protocol server is the first entity to be aware of clients logging in or logging out in the communication network.
  • co-locating the presence protocol with the protocol server reduces the response time of presence services. For example, the response time of some emergency services, such as locating an SIP gateway, is reduced.
  • the protocol server transmits a renew request to the clients in the subscriber list of the network service.
  • the client associates with the network service with the same VSO as earlier.
  • the protocol server notifies all the clients when the protocol server receives a release message from the network service.
  • the release message is send by an entity associated with the protocol server, to relinquish the network address and cancel the remaining lease of the association.
  • the method enables client to client presence communication channel so that client can take action accordingly based on the presence information about other clients.
  • the method and system for managing presence information in a communication network may comprise one or more conventional processors and unique stored program instructions that control the one or more processors, to implement, in conjunction with certain non- processor circuits, some, most, or all of the functions of the system described herein.
  • the non-processor circuits may include, but are not limited to, signal drivers, clock circuits, power-source circuits, and user-input devices. As such, these functions may be interpreted as steps of a method for managing presence information in a communication network differently.
  • some or all the functions can be implemented by a state machine that has no stored program instructions, or in one or more application-specific integrated circuits (ASICs), in which each function, or some combinations of certain of the functions, are implemented as custom logic.
  • ASICs application-specific integrated circuits
  • a combination of the two approaches can also be used.

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Abstract

La présente invention concerne un procédé et un système pour gérer des informations de présence dans un réseau de communication (100). Le procédé comprend l'étape consistant à recevoir (304) l'information de présence en provenance d'au moins un client d'un ensemble de clients sur un serveur de protocole (102). L'information de présence qui est associée au(x) client(s) de l'ensemble de clients est unique. En outre, le procédé comprend l'étape consistant à stocker (306) l'information de présence du ou des clients de l'ensemble de clients dans le serveur de protocole. De plus, le procédé comprend l'étape consistant à fournir (308) l'information de présence du ou des clients de l'ensemble de clients à au moins un client de l'ensemble restant de clients via le serveur de protocole. L'ensemble restant des clients correspond à l'ensemble de clients autre que le(s) client(s) de l'ensemble de clients.
PCT/US2007/082593 2006-12-18 2007-10-26 Procédé et système pour gérer des informations de présence dans un réseau de communication WO2008076523A2 (fr)

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IN2707DE2006 2006-12-18
IN2707/DEL/2006 2006-12-18

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WO2008076523A2 true WO2008076523A2 (fr) 2008-06-26
WO2008076523A3 WO2008076523A3 (fr) 2008-10-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172799A (zh) * 2021-12-08 2022-03-11 武汉大塔技术有限公司 基于dhcp实现ntp客户端快速配置部署方法、系统和介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060116127A1 (en) * 2004-07-16 2006-06-01 Wilhoite Michael T Handoff for cellular and internet protocol telephony

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060116127A1 (en) * 2004-07-16 2006-06-01 Wilhoite Michael T Handoff for cellular and internet protocol telephony

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172799A (zh) * 2021-12-08 2022-03-11 武汉大塔技术有限公司 基于dhcp实现ntp客户端快速配置部署方法、系统和介质

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