97 results about "Diameter protocol" patented technology

A method and system for load balancing over a cluster of authentication, authorization and accounting (AAA) servers. The method performs a distribution of AAA requests among AAA servers having an active AAA connection with an AAA client. The method includes establishing TCP connections with a plurality of AAA servers, using a TCP connection request received from at least one AAA client; opening AAA connections with a plurality of AAA servers, using an AAA connection request received from at least one AAA client, and distributing AAA requests to AAA servers with an active AAA connection according to a predefined load balancing algorithm. The invention is further capable of multiplexing outbound messages and requests received from a plurality of AAA servers. The AAA protocol supported by the invention includes, but is not limited to, a Diameter protocol, a lightweight directory access protocol (LDAP), and the likes.

Systems and methods for dynamically load-balancing clients across available servers without the need for a load balancer in front of a network are provided. Exemplary methods assign servers to clients in wireless and wireline networks based on server load. Methods and systems for using the authentication, authorization, and accounting (AAA) protocols to load-balance network servers are provided. The load-balancing systems and methods further include using the Diameter AAA protocol routing attribute value pairs (AVPs) to implement bootstrap functionality and load balancing. Methods and systems using the Diameter protocol to manage client assignments are disclosed. Methods and systems for dynamically load-balancing clients across available servers using an AAA protocol are further described. Methods and systems to redirect clients to available servers with the least load are disclosed.

A system and method for developing Diameter applications are provided. The system and method extend the application server servlet model to support Diameter applications. A “base protocol” servlet is provided that handles the basic Diameter protocol functionality. Base application servlets are provided for each Diameter interface (for example, an “Sh” base servlet for the IMS “Sh” interface). These servlets are base classes for application code. The base application servlets implement additional semantics on top of the base protocol servlet to support additional attribute-value pair semantics. With the system and method, Diameter servlets share the same ServletContext as HTTP and SIP servlets. This mechanism facilitates communication between the various application entities and facilitates generation of converged applications.

Disclosed are a subscriber station authentication method, a protocol configuration method, and a device thereof in a wireless portable Internet system. In the subscriber station authentication method, an authentication mode between a subscriber station (10) and a base station (20) is negotiated, and the authentication mode is negotiated by the base station (20) according to the authentication mode negotiation. The authentication modes include an authentication mode based on the IEEE 802.16 privacy standard protocol and an authentication mode based on the standardized authentication protocol of the upper layer. Authentication is performed by the base station (10) in the case of the authentication mode based on the IEEE 802.16 privacy standard protocol, and the authentication is performed through message transmission using a diameter protocol between a base station (10) and an authentication server (40) in the case of the authentication mode based on the standardized authentication protocol of the upper layer.

A method for overload control between a first application and a second application based on Diameter protocol, comprising: when the first application is overloaded, overload control information is set and sent to the second application; and the second application takes an action according to the overload control information. The invention also provides a Diameter protocol based network element comprising an overload control initiating device configured to: set overload control information to be sent to an opposite network element communicating with the network element when overload happens. In addition, the invention further provides a Diameter protocol based network element comprising an overload control response device configured to: when receiving overload control information sent by the opposite side, take an action according to the overload control information.

A SIP server can be distributed over a cluster network and handle the processing of various SIP communications. A Diameter protocol web application can be deployed on the engine tier of the SIP server for enabling communication between the SIP server and an HSS. A profile service API can be provided that allows applications running on the SIP server to access user profile data stored on the HSS. The applications can also be allowed to subscribe to notifications about changes to the user profile data on the HSS. An Sh interface provider can be deployed on the SIP server for generating and responding to Diameter command codes. SIP servlets can access the user profile data in the form of an XML document.

The invention discloses a data synchronizing method and system of hazard-containing imputed user server HSS, which comprises the following parts: main HSS, prepared HSS, relative net element IMS system of main HSS and the prepared HSS. The method comprises the following steps: the relative net element transmits standard interface request information to the main HSS through Diameter protocol, which requires modifying the reserved user data of main HSS to modify the local user data through standard interface request information, which transmits the standard interface request information to the prepared HSS through Diameter protocol; the prepared HSS modifies the local user data according to the standard interface request information. The invention has good compatibility, simple elementary and convenient realization, which is fit for HSS hazard-containing duplication of different manufacturers.

According to one aspect, the subject matter described herein includes a method for providing Diameter protocol harmonization. The method includes steps occurring at a Diameter node. The method further includes determining a first Diameter protocol associated with received Diameter information that is to be sent to a destination. The method also includes determining a second Diameter protocol associated with the destination. The method further includes harmonizing the received Diameter information such that the harmonized Diameter information is compatible with the second Diameter protocol. The method also includes providing the harmonized Diameter information to the destination.

A load controlling method based on Diameter protocol includes sending overload notification request message to relevant Diameter client end when requiring to lower load is confirmed by Diameter server side, stopping message transmission to Diameter server end after overload notification request message is received by Diameter client end, keeping connection between Diameter client end and Diameter server always in above said completer operation course.

A network (e.g., 3GPP network) is described herein which includes an AAA server that uses an authentication functionality to enable an access node (associated with an access network) to implement online credit control for a terminal when the access node (e.g., WLAN access node) supports the existing RADIUS/Diameter protocol but does not support a Diameter Credit Control Application (or similar application like RADIUS Prepaid).

The invention provides a method for realizing IMS multimedia conference service charging, comprising the following steps: firstly, expanding an AVP structure which is used for expressing multimedia conference service charging information in a Diameter protocol charging information structure, wherein, the AVP structure comprises conference identification fields, conference fee accounts fields, charging role fields, charging type fields and conference flow type fields; and secondly, recording charging information of users by the CONF AS through the AVP structure in the process of the multimediaconference service and sending the AVP structure to the charging functional entity; carrying out charging ticket recording, associating and sorting by the charging functional entity according to the AVP structure, thus realizing charging. The invention not only solves the problem that the current multimedia conference service charging is different from the ordinary point-to-point communication charging, and content expansion is easy to realize according to the subsequent technical development.

The embodiment of the invention discloses a method for transmitting multicast messages. The method comprises the following steps that: in a Diameter protocol, multicast message attribute value pairs are set; a Diameter server or a Diameter client end determines a multicast message attribute value pair corresponding to a session according to the requirement of the session, and a multicast message of the session is transmitted through a Diameter message carried with an appointed multicast message attribute value pair. The method can realize the transmission of the multicast message between entities which support the Diameter protocol. The embodiment of the invention also discloses a method for authorizing multicast services, and the method can realize the authorization of multicast services between peer ends supporting the Diameter protocol based on the set multicast message attribute value pair. The embodiment of the invention also discloses a system for transmitting multicast messages and a system for authorizing multicast services.

This invention relates to a system and a method for realizing centralized management to user data of a fixed phone net, in which, the system is to introduce a user centralized database HLR in a soft switch network to store and manage the user data of fully fixed phone net in concentration then utilizes the character of strong process ability of the soft switch and widely cover sphere to form a new fixed phone net structure, the HLR+SS overlapping network. This invention also provides a method for enlarging criterion access HLR enquiring user data by a soft switch device SS with the MAP or Diameter protocol as the basis to further trigger user related services and play a foundation for realizing separation of machine and number, opened system and multi-kind of intelligent service trigger mode and development of fixed net new service.

The invention relates to a system for dynamic management of end-to-end quality of service (QoS) under interconnection of heterogeneous networks and a method thereof. The system comprises a public core network and at least two underlay networks. A strategy decision-making device is arranged in the public core network, a strategy executing device is arranged in each underlay network, and the strategy decision-making device is connected with the strategy executing devices via a Diameter protocol. Interaction of QoS information between the strategy decision-making device and the strategy executing devices is realized by defining an underlay construction process and an underlay message deletion process; and the strategy executing devices map the QoS information as the QoS parameters for a local underlay for executing the resource reservation and gate control functions of the local underlay. The core network can make a QoS strategy based on subscriber information and a subscriber's service resource request and then accurately transmit the QoS strategy to different stages of underlay network media streams in time to form links, so as to realize QoS control on different stages of underlay links, respectively, thereby improving the guarantee capacity of the subscriber and the network on the QoS.

A RADIUS server is provided with the capability of authenticating a wireless access point whose IP network address has been dynamically allocated. One the wireless access point has received its IP network address on booting a request for authentication is sent to the RADIUS server from a wireless access point. The RADIUS server determines a MAC address, a IP network address, and an authenticator from the request. The MAC address is used to determine a shared secret which is used to verify the message attribute authenticator for the request, which is used for verifying both addresses. The method and apparatus can be applied to other AAA server protocols, for example Diameter protocol.

The invention relates to a method for transmitting data in a WLAN network (WLAN=Wireless Local Area Network) during which WLAN messages are transmitted in the L2 protocol layer between a terminal and an access node of the WLAN network, whereby the access node can be connected to one or more data networks. According to the invention, the WLAN messages contain SIP messages with SIP authentication data (SIP=Session Initiation Protocol). The SIP authentication data is extracted from WLAN messages arriving in the access node and are integrated in the form of authentication data in messages of the RADIUS protocol and/or of the diameter protocol (RADIUS=Remote Authentication Dial In User Service).

The present invention discloses Diameter protocol interface performance measure method, measurement equipment and system; through classification statistic to Diameter message, according to statistical data obtaining tested interface performance measurement indices, thereby to make performance measurement. The present invention optimizes adopting classification statistic method, capable of effective reflecting net element working situation and service quality.

This invention provides a system and a method for auditing among entities based on the diameter protocol including: 1, a first entity sends a first message to a second entity for the session to be audited, 2, the second entity responds the first message and sends a second message to the first entity, 3, the first entity audits based on the received second message, in which, the first message includes the re-authorized request message, the second message includes the re-authorized request response message, which can realize audit between function entities of strategy decision and service control and between transmission resource control and strategy control to secure the consistency between them.

A technique redirects a Diameter client command from a first server that has become unavailable to a second server consistent with a Diameter protocol. A method includes identifying a first authentication server as unavailable based on a redirect indication received from a second authentication server via a routing agent in response to a request for authentication of a user to the first authentication server. The method includes authenticating the user by the second authentication server in response to a subsequent request for authentication of the user to the second authentication server. The subsequent request for authentication includes an indication of a failure of the first authentication server. The method may include establishing a first service session in response to authenticating the user by the first authentication server and maintaining the first service session using the IP address of the first service session while the second authentication server authenticates the user.

The invention relates to a method for processing Diameter protocol message, which comprises the following steps: step 1, obtaining a Diameter message template prestored in a memory according to ID of a Diameter message and using the structure of the Diameter message template as an initial state of constructing the structure of a Diameter message object; step 2, adding or deleting AVP objects in the structure of the Diameter message object according to a practical message structure so as to modify the structure of the Diameter message object; step 3, recording each operation on the structure of the Diameter message in the step 2 by a stack; and step 4, restoring the structure of the Diameter message object to the initial state according to the record in the stack after the message is used.The method for processing the Diameter protocol message, which is provided by the invention, is convenient for managing the message and can reduce the consumption of system resources.

The invention relates to a method, by a diameter routing unit (110), to route diameter commands of a data packet session using a diameter protocol in a mobile communications network, the diameter routing unit comprising a storage unit (111) storing information which policy and charging control unit is handling which data packet session and storing information about a presence of at least one additional diameter routing unit (100) which routes diameter commands of the diameter protocol to the same pool of policy and charging control units (31, 32) as the diameter routing unit. The method comprises the steps of receiving a diameter command for a data packet session; checking whether information is present in the storage unit (111) which policy and charging control unit is handling the session to which the received diameter command belongs, wherein, if information is present in the storage unit (111), the received diameter command is forwarded to one of the policy and charging control units (31, 32) in accordance with the stored information, wherein, if no information can be found in the storage unit (101) for the received diameter command, the diameter command is forwarded to the at least one additional diameter routing unit.

The invention provides a heterogeneous addressing conversion method comprising following steps: The conversion function entity IWF converts the Diameter protocol/MAP protocol message transmitted by Diameter protocol/ MAP protocol node to MAP protocol/Diameter protocol message, uses a first address/ a second address as source address, or a first identifier/ a second identifier as source identifier, sends the converted MAP protocol/Diameter protocol information to MAP protocol/Diameter protocol node. The invention also provides a heterogeneous addressing conversion system and equipment. In the embodiment of the invention provides mutual node identifier conversion method and corresponding addressing relation of every identifier, solves problem of incapable of communicating because of different identifier addressing mode when Diameter node and MAP node communicates by converting function.

A Master SCP for extended cross-operator features is disclosed. The present invention relates to telecommunication networks and, more particularly, to systems and methods of utilizing a Master Service Control Point to provide inter-operator value added and supplementary services to a subscribers belonging to varied and independent network operators and service providers. A master SCP acts as a central node providing communication between multiple SCP's of different network operators using diameter protocol messages. It facilitates provisioning of operator-specific services as operator-independent services for use by/among subscribers associated to varied network operators.