WO2013122597A1 - Architecture logicielle de services sans fil ouverte virtualisée - Google Patents

Architecture logicielle de services sans fil ouverte virtualisée Download PDF

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Publication number
WO2013122597A1
WO2013122597A1 PCT/US2012/025577 US2012025577W WO2013122597A1 WO 2013122597 A1 WO2013122597 A1 WO 2013122597A1 US 2012025577 W US2012025577 W US 2012025577W WO 2013122597 A1 WO2013122597 A1 WO 2013122597A1
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WO
WIPO (PCT)
Prior art keywords
service
server
video
hardware resource
hardware
Prior art date
Application number
PCT/US2012/025577
Other languages
English (en)
Inventor
James J. LOGAN
Deepak Garg
Tim Mortsolf
Original Assignee
Affirmed Networks, 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 Affirmed Networks, Inc. filed Critical Affirmed Networks, Inc.
Priority to KR1020147025846A priority Critical patent/KR20140127324A/ko
Priority to EP12868870.2A priority patent/EP2815316A4/fr
Priority to JP2014557613A priority patent/JP2015512096A/ja
Priority to PCT/US2012/025577 priority patent/WO2013122597A1/fr
Priority to KR1020187022295A priority patent/KR20180091107A/ko
Priority to CN201280072000.1A priority patent/CN104508633A/zh
Publication of WO2013122597A1 publication Critical patent/WO2013122597A1/fr
Priority to HK15109835.3A priority patent/HK1209204A1/xx

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/505—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the load
    • 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
    • H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
    • 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
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • 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
    • H04L67/56—Provisioning of proxy services
    • H04L67/565—Conversion or adaptation of application format or content

Definitions

  • the invention generally relates to wireless networks, and more specifically to a virtualized open wireless services software architecture.
  • Wireless networks include many different functions that are typically mapped to different devices.
  • a 3G/4G network includes base stations, Radio Network Controllers (RNCs), Serving GPRS Support Nodes (SGSNs), Gateway GPRS Support Nodes (GGSNs), Serving Gateways (SGWs), Packet Data Network Gateways (PGWs), Mobile Management Entities (MMEs), Digital Phone Interface (DPI) probes, traffic analyzers, firewalls, Policy and Charging Rules Functions (PCRFs), Authentication, Authorization, and Accounting (AAA) servers, Lightweight Directory Access Protocol (LDAP) databases, charging servers, Hypertext Transfer Protocol (HTTP) proxies, traffic optimizers, video optimizers, and so forth.
  • RNCs Radio Network Controllers
  • SGSNs Serving GPRS Support Nodes
  • GGSNs Gateway GPRS Support Nodes
  • SGWs Serving Gateways
  • PGWs Packet Data Network Gateways
  • MMEs Mobile Management Entities
  • DPI Digital Phone Interface
  • PCRFs Policy and Charging Rules
  • the present invention provides methods and apparatus, including computer program products, for a virtualized open wireless services software architecture.
  • the invention features a method including, in a mobile network, monitoring hardware resources for utilization, receiving a request to instantiate a service, selecting a hardware resource that is underutilized, and mapping the service to the underutilized hardware resource.
  • the invention features a server including central processing units, and a memory, the memory including an operating system and grid resource management process, the grid resource management process including monitoring hardware resources in a mobile network for utilization, receiving a request to instantiate a service, selecting a hardware resource that is underutilized, and mapping the service to the underutilized hardware resource.
  • FIG. 1 is a block diagram.
  • FIG. 2 is a block diagram.
  • FIG. 3 is a flow diagram.
  • a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • a component may be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a server and the server can be a component.
  • One or more components may reside within a process and/or thread of execution and a component may be localized on one computer and/or distributed between two or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • the components may communicate via local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the Internet with other systems via the signal).
  • terms like "user equipment,” “mobile station,” “mobile,” “subscriber station,” “communication device,” “access terminal,” “terminal,” “handset,” and similar terminology refer to a wireless device (e.g., cellular phone, smart phone, computer, personal digital assistant (PDA), set-top box, Internet Protocol Television (IPTV), electronic gaming device, printer, etc.) utilized by a subscriber or user of a wireless communication service to receive or convey data, control, voice, video, sound, gaming, or substantially any data-stream or signaling-stream.
  • PDA personal digital assistant
  • IPTV Internet Protocol Television
  • the terms “access point,” “base station,” “Node B,” “evolved Node B,” “home Node B (HNB),” and the like are utilized interchangeably in the subject application, and refer to a wireless network component or appliance that serves and receives data, control, voice, video, sound, gaming, or substantially any data-stream or signaling-stream from a set of subscriber stations. Data and signaling streams can be packetized or frame-based flows. [0016] Furthermore, the terms “user,” “subscriber,” “customer,” and the like are employed interchangeably throughout the subject specification, unless context warrants particular distinction(s) among the terms.
  • each hardware node in a network runs a mix of active and standby applications, and, where the standby applications do not require the same amount of physical resources as the active applications, the requirements for physical resources (e.g. CPU, memory, disk space, bandwidth) is not usually taken into consideration when assigning applications to run on a hardware node.
  • the standby applications are backing up active applications distributed across the collection of hardware, and, at any given time only a subset of the applications may go active. Since this fact is not considered when assigning applications to hardware nodes, there is an inherent underutilization of the resources.
  • wireless networks include many different functions which are typically mapped to different devices.
  • a typical 3G/4G network can include base stations (BSs), R Cs, SGSNs, GGSNs, SGWs, PGWs, MMEs, DPI probes, traffic analyzers, firewalls, PCRF, AAA servers, LDAP databases, charging servers, HTTP proxies, traffic optimizers, video optimizers and so forth.
  • the operator has to deal with multiple management platforms.
  • the approach can lead to a closed software environment.
  • the software architecture of the devices that make up the network are designed specifically to support the function they have been built for by the vendors that provide them and are therefore closed in the sense that the operator cannot use the processing resources of these platforms to host nay other functions (related or unrelated to the original function) that they may want to. Even though the operator has bought the processing resources, they are very limited in what these resources can be used for.
  • the invention described herein characterizes the amount of physical resources required by applications while in their active and standby roles, and maps the distribution of active/standby processes within the collection of hardware nodes. This results in maximized hardware utilization by strategically assigning applications to run on hardware nodes based on their physical resource requirements and high availability state.
  • the invention described herein applies to all wireless networks regardless of access technology, including Global System for Mobile (GSM), Code Division Multiple Access (CDMA), Long Term Evolution (LTE), WiMAX and so forth. For ease of explanation, the invention will is described in a 4G network environment.
  • GSM Global System for Mobile
  • CDMA Code Division Multiple Access
  • LTE Long Term Evolution
  • WiMAX Worldwide Interoperability for Mobile
  • an exemplary mobile network 10 includes user equipment (UE) 12, such as a smart phone.
  • UE user equipment
  • Other examples of US 12 include, but are not limited to, cellular phone, computer, personal digital assistant (PDA), set-top box, Internet Protocol Television (IPTV), electronic gaming device, printer, tablet, Wi-Fi Hotspot and so forth.
  • the UE 12 is wirelessly linked to an Evolved Node B (eNB) 14.
  • the eNB 14 is a radio part of a cell site. A single eNB may contain several radio transmitters, receivers, control sections and power supplies.
  • the eNB 14 is backhauled to a metro ethernet ring 16, which includes a Mobility Management Entity (MME) 18 and a Serving Gateway (SGW) 20.
  • MME Mobility Management Entity
  • SGW Serving Gateway
  • Backhaul is a process of transferring packets or communication signals over relatively long distances to a separate location for processing.
  • the SGW 20 routes and forwards user data packets, while also acting as the mobility anchor for a user plane during inter-eNodeB handovers.
  • the SGW 20 is linked to an Internet Protocol (IP) backbone 22.
  • IP Internet Protocol
  • the IP backbone 22 includes links to a Online Charging System (OCS) 24, an Offline Charging Subsystem (OFCS) 26 and a Policy Control and Charging Function (PCRF) 28.
  • OCS Online Charging System
  • OFCS Offline Charging Subsystem
  • PCRF Policy Control and Charging Function
  • the OCS 24 is a set of interconnected network elements that enable the identification, rating and posting of charges in real time (or near real time).
  • the OFCS 26 receives charging data in the form of Call Detail Records (CDRs) and Diameter accounting messages from network elements after the subscriber incurs network resource usage.
  • CDRs Call Detail Records
  • Diameter accounting messages Diameter accounting messages
  • the IP backbone 22 includes a network server 30 that implements virtualized open wireless services software architecture for 3G and 4G mobile networks.
  • the network server 30 is linked to a web server 32 through an Internet Service Provider (ISP) 34.
  • ISP Internet Service Provider
  • the network server 30 includes one or more a central processing units (CPUs) 50, 52, 54 and a memory 52.
  • Memory 52 includes at least an operating system (OS) 54, such as Linux, and grid resource management process 100.
  • the grid resource management process 100 described below, monitors hardware resources, determines their utilization over time, and maps/re-maps software processes into hardware resources, e.g., the one or more a central nrncessin p units ( CPUs) 50, 52, 54, according to their availability and utilizations.
  • the grid resource management process 100 can monitor utilization of other hardware resources within the exemplary mobile network 10 and map/re-map software processes into these other hardware resources, enabling a virtualized open wireless services software architecture.
  • Monitoring the one or more CPUs 50, 52, 54 can be implemented in a number of ways. For example, In the Linux OS, monitoring can be done using "mpstat" and other tools.
  • the grid resource management process 100 includes monitoring (102) hardware resources residing in a mobile network for utilization.
  • the grid resource management process 100 receives (104) a request to instantiate a service.
  • Services that the grid resource management service 100 can intelligently map/remap to hardware resources may include a network firewall service, a serving gateway (SGW) service, a packet data network gateway (PGW) service, a HTTP Web proxy service, a video proxy service, a service module, and so forth.
  • SGW serving gateway
  • PGW packet data network gateway
  • the SGW service routes and forwards user data packets and acts as an anchor for mobility between LTE and other 3GPP technologies.
  • the PGW service provides connectivity from user equipment to external packet data networks by being a point of exit and entry of traffic for the user equipment.
  • the PGW service performs policy enforcement, packet filtering for each user, charging support, lawful interception and packet screening.
  • the HTTP Web proxy service acts as an intermediary for requests from clients seeking resources from other servers.
  • the HTTP Web proxy service provides web caching, web translating and web transcoding.
  • the video proxy service provides video caching, video translating and video transcoding.
  • this module provides related services involving content
  • the service module provides a number of services, such as, for example,
  • PEP Policy Personal Eventing Protocol
  • DFS Domain Name System
  • Access Control Packet Inspection
  • Session Term IP Transport I/O
  • charging function Policy Personal Eventing Protocol
  • policy enforcement function Policy Enforcement function
  • the charging function refers to an ability to selectively charge mobile subscribers and/or content partners based on a per flow basis by applying differentiated billing plans based on flow characteristics such as volume of packets, amount of time the flow is active, and the application associated with the flow as determined by shallow or deep packet inspection of the packet(s) in the flow or by analyzing the flow heuristics (e.g., signature analysis), or other parameters associated with servicing the flow such as time of day.
  • flow characteristics such as volume of packets, amount of time the flow is active
  • the application associated with the flow as determined by shallow or deep packet inspection of the packet(s) in the flow or by analyzing the flow heuristics (e.g., signature analysis), or other parameters associated with servicing the flow such as time of day.
  • the policy enforcement function refers to an ability to apply subscriber related QoS and gating policies to a subscriber flow on a per-flow basis, where the flow is determined by shallow or deep packet inspection, or heuristic analysis (e.g., signature analysis) of the flow pattern.
  • the latency service refers to an ability to measure network round trip latency between any selected subscriber or set of subscribers and the gateway function in the wireless core.
  • the grid resource management process 100 selects (106) a hardware resource that is underutilized.
  • the grid resource management process 100 maps (108) the service to the underutilized hardware resource.
  • the grid resource management process 100 monitors (110) mapped hardware resource.
  • the grid resource management process 100 remaps (112) the service to another underutilized hardware resource when the mapped hardware resource is over-utilized.
  • the grid resource management process 100 provides an open and modular software architecture that maps wireless network functions to processing resources in a virtualized environment that can be run on any standard processor device like a datacenter solution.
  • the grid resource management process 100 maps functions to available processor resources dynamically. Since the functions are run in a virtual environment, they can be stitched together in a different order for different services.
  • the architecture allows the operator to plug in their own modules both for protocol analyzers and for additional functions that they want to host on the platform.
  • This architecture addresses the problems raised by outdated methods. Since the functions are virtual and can be mapped to processor resources at a granular level (on a per process basis), the processor is allocated to these functions in small increments of processor capacity. This maximizes the efficiency of processor usage since only the amount needed for a function is allocated.
  • each function can be scaled as required according to the needs of a particular deployment and dynamically changing network conditions, applications and user behavior.
  • processing resources are generic, it is easy to add additional resources to the platform when needed and allocate these resources to any function based on scaling needs.
  • Service instantiation involves a planning exercise, and easy configuration through a service aware configuration interface that allows the operator to specify protocol analyzers for flow classification and a service workflow that is series of functions that are instantiated and stitched together in the desired order. This allows the operator to quickly turn services on and off and take advantage of short term service opportunities.
  • Creating a modular and virtualized environment enables a "service platform" where the operator is empowered to plug in their own protocol analyzers and software functions, and use these plugged in modules to instantiate services using the service workflow mechanism.
  • implementations can include implementation in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, coupled to receive data and instructions from, and to transmit data and instructions to, a storage system, at least one input device, and at least one output device.
  • a programmable processor which may be special or general purpose, coupled to receive data and instructions from, and to transmit data and instructions to, a storage system, at least one input device, and at least one output device.
  • the systems and techniques described here can be implemented on a computer having a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user and a keyboard and a pointing device (e.g., a mouse or a trackball) by which the user can provide input to the computer.
  • a display device e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor
  • a keyboard and a pointing device e.g., a mouse or a trackball
  • Other kinds of devices can be used to provide for interaction with a user as well; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback), and input from the user can be received in any form, including acoustic, speech, or tactile input.
  • the systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or that includes a back-end component (e.g., a data server), or
  • middleware component e.g., an apnlicatinn server! nr that includes a front-end component (e.g., a client computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components.
  • the components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network (“LAN”), a wide area network (“WAN”), and the Internet.
  • LAN local area network
  • WAN wide area network
  • Internet the global information network
  • the computing system can include clients and servers.
  • a client and server are generally remote from each other and typically interact through a communication network.
  • the relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other.

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne des procédés et un appareil, y compris des produits de programme informatique, destinés à une architecture logicielle de services sans fil ouverte virtualisée. Un procédé comprend les étapes consistant à, dans un réseau mobile, surveiller des ressources matérielles pour une utilisation, à recevoir une demande pour instancier un service, à sélectionner une ressource matérielle qui est sous-utilisée, et à mapper le service à la ressource matérielle sous-utilisée.
PCT/US2012/025577 2012-02-17 2012-02-17 Architecture logicielle de services sans fil ouverte virtualisée WO2013122597A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020147025846A KR20140127324A (ko) 2012-02-17 2012-02-17 가상화된 개방형 무선 서비스 소프트웨어 아키텍처
EP12868870.2A EP2815316A4 (fr) 2012-02-17 2012-02-17 Architecture logicielle de services sans fil ouverte virtualisée
JP2014557613A JP2015512096A (ja) 2012-02-17 2012-02-17 仮想化オープン無線サービスソフトウェアアーキテクチャ
PCT/US2012/025577 WO2013122597A1 (fr) 2012-02-17 2012-02-17 Architecture logicielle de services sans fil ouverte virtualisée
KR1020187022295A KR20180091107A (ko) 2012-02-17 2012-02-17 가상화된 개방형 무선 서비스 소프트웨어 아키텍처
CN201280072000.1A CN104508633A (zh) 2012-02-17 2012-02-17 虚拟化开放式无线服务软件体系结构
HK15109835.3A HK1209204A1 (en) 2012-02-17 2015-10-08 Virtualized open wireless services software architecture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/025577 WO2013122597A1 (fr) 2012-02-17 2012-02-17 Architecture logicielle de services sans fil ouverte virtualisée

Publications (1)

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WO2013122597A1 true WO2013122597A1 (fr) 2013-08-22

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PCT/US2012/025577 WO2013122597A1 (fr) 2012-02-17 2012-02-17 Architecture logicielle de services sans fil ouverte virtualisée

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EP (1) EP2815316A4 (fr)
JP (1) JP2015512096A (fr)
KR (2) KR20180091107A (fr)
CN (1) CN104508633A (fr)
HK (1) HK1209204A1 (fr)
WO (1) WO2013122597A1 (fr)

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JP2015512096A (ja) 2015-04-23
EP2815316A4 (fr) 2015-10-07
KR20180091107A (ko) 2018-08-14
KR20140127324A (ko) 2014-11-03
EP2815316A1 (fr) 2014-12-24
CN104508633A (zh) 2015-04-08
HK1209204A1 (en) 2016-03-24

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