80 results about "Diameter" 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.

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.

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.

The invention discloses a method and system for determining a policy and charging rules function (PCRF). A Diameter routing agent (DRA) obtains internet protocol (IP) address translation information, and performs PCRA selection and association by utilizing the obtained IP address translation information. Through use of the method for determining PCRF, the DRA can select the PCRF accurately according to messages on an interface Rx and an interface Gx under a context that a network address translator and the DRA are arranged simultaneously, thus strategic information association of policy and charging control (PCC) is accurately realized.

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 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.

The invention relates to a method for transmitting authentication,authorization and accounting (AAA) protocol message, transmitting compressed Diameter message and before compressed transmission, making transmitting end and receiving end consults with each other to adopt a mutually acceptable compressing mode, thus assuring the receiving end smoothly decompresses the received Diameter message and reducing the occupied network resources for Diameter message transmission. And it implements a transmitting end and receiving end negotiated compressing mode and transmits the Diameter message in compressed form, saving network resources and it is applied to all compression methods, easy to implement and saving costs and investment.

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 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.

The invention discloses a method for trigger information sending and protocol conversion. The method comprises the following steps: a machine type communication interworking function MTC-IWF which receives trigger information of an MTC device obtains routing information of the MTC device through a signing service network element; the MTC-IWF sends the received trigger information targeted for the MTC device to a service core network node of the MTC device through a short messaging service core network node; and the service core network node of the MTC device send the trigger information to the MTC device. In the above process, the MTC-IWF or a dedicated IWF or an SMS Router is utilized to realize the signaling conversion between an MAP protocol and a Diameter protocol. The invention further discloses a system for realizing the method for trigger information sending and protocol conversion. Through the technical scheme, the trigger information can be sent from a T4 interface, and the protocol conversion procedure of the MAP and the Diameter is determined.

The invention relates to a method for charging IMS (Internet protocol multimedia subsystem) peer-to-peer session contents. The method comprises the following steps of expanding an AVP (accounting value pair) structure for expressing IMS peer-to-peer session service charging information in a Diameter protocol charging message structure, wherein the AVP structure comprises a signaling type identification field, a virtual signaling packet identification filed, a charging stage identification field and a media traffic table identification field; in a session process, recording the charging information of a user through the AVP structure and transmitting the charging information of the user to a charging function entity network element by using a charging information acquisition network element; performing charging data recording, association and sorting according to the AVP structure by using the charging function entity network element, thereby realizing charging. According to the method, not only is the problem of incapability of distinguishing signaling types and virtual logic network elements during the session charging of an IMS peer-to-peer session service solved, but also the problem of incapability of charging session media traffic and media quality in case of media type transcoding and media switching services in the session process is solved.