ES2617199T3 - Gestión de contenido - Google Patents

Gestión de contenido Download PDF

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ES2617199T3
ES2617199T3 ES09728756.9T ES09728756T ES2617199T3 ES 2617199 T3 ES2617199 T3 ES 2617199T3 ES 09728756 T ES09728756 T ES 09728756T ES 2617199 T3 ES2617199 T3 ES 2617199T3
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content
client computing
group
computing devices
resource
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Swaminathan Sivasubramanian
David R. Richardson
Bradley E. Marshall
Christopher L. Scofield
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Amazon Technologies Inc
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Amazon Technologies Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/56Provisioning of proxy services
    • H04L67/568Storing data temporarily at an intermediate stage, e.g. caching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1097Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/955Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
    • G06F16/9566URL specific, e.g. using aliases, detecting broken or misspelled links
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/61Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/06Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/2866Architectures; Arrangements
    • H04L67/30Profiles
    • H04L67/306User profiles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/535Tracking the activity of the user
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/55Push-based network services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/56Provisioning of proxy services
    • H04L67/568Storing data temporarily at an intermediate stage, e.g. caching
    • H04L67/5681Pre-fetching or pre-delivering data based on network characteristics

Abstract

Un método que comprende: supervisar, en un proveedor del servicio de red de entrega de contenido (106), solicitudes de recursos desde un primer grupo de dispositivos informáticos cliente, en el que la supervisión de las solicitudes de recursos comprende la supervisión de las solicitudes de recursos desde un primer grupo de dispositivos informáticos cliente (102) en una primera zona horaria durante una ventana de tiempo; identificar un conjunto de contenido que corresponde a las solicitudes de recursos desde el primer grupo, en el que la identificación de un conjunto de contenido que corresponde a las solicitudes de recursos para el primer grupo comprende la identificación de contenido solicitado frecuentemente para el primer grupo; precargar el conjunto identificado de contenido en un componente de memoria caché (120) autorizado para dar servicio a un segundo grupo de dispositivos informáticos cliente, en el que la precarga de contenido comprende la precarga de contenido en un componente de memoria caché autorizado para dar servicio al segundo grupo de dispositivos informáticos cliente en una zona horaria diferente durante la misma ventana de tiempo en anticipación de solicitudes similares desde dispositivos informáticos cliente en la segunda zona horaria.

Description

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DESCRIPCION
Gestion de contenido Antecedentes
Descritos en general, los dispositivos informaticos y redes de comunicacion pueden utilizarse para intercambiar informacion. En una aplicacion comun, un dispositivo informatico puede solicitar contenido desde otro dispositivo informatico a traves de la red de comunicacion. Por ejemplo, un usuario en un dispositivo informatico personal puede utilizar una aplicacion de software de navegacion para solicitar una pagina web desde un dispositivo informatico servidor a traves de Internet. En dichas realizaciones, puede hacerse referencia al dispositivo informatico de usuario como un dispositivo informatico cliente y puede hacerse referencia al dispositivo informatico servidor como un proveedor de contenido.
Los proveedores de contenido se motivan en general para proporcionar contenido solicitado a dispositivos informaticos cliente con consideracion frecuentemente a la eficiencia de la transmision del contenido solicitado al dispositivo informatico cliente y/o con consideracion a un coste asociado con la transmision del contenido. Para implementaciones a gran escala, un proveedor de contenido puede recibir solicitudes de contenido desde un alto volumen de dispositivos informaticos cliente que pueden provocar una presion sobre los recursos informaticos del proveedor de contenido. Adicionalmente, el contenido solicitado por los dispositivos informaticos cliente puede tener un cierto numero de componentes, que pueden provocar adicionalmente presiones sobre los recursos informaticos del proveedor de contenido.
Con referencia a un ejemplo ilustrativo, una pagina web solicitada, o contenido original, puede asociarse con un cierto numero de recursos adicionales, tales como imagenes o videos, que han de ser visualizados con la pagina web. En una realizacion espedfica, los recursos adicionales de la pagina web se identifican por un cierto numero de identificadores de recursos embebidos, tales como localizadores uniformes de recursos (“URL”). A su vez, el software sobre los dispositivos informaticos cliente procesa tipicamente los identificadores de recursos embebidos para generar solicitudes de contenido. Frecuentemente, los identificadores de recursos asociados con los recursos embebidos referencian un dispositivo informatico asociado con el proveedor de contenido de modo que el dispositivo informatico cliente transmitira la solicitud de recursos adicionales al dispositivo informatico del proveedor de contenido referenciado. En consecuencia, para satisfacer una solicitud de contenido, el proveedor de contenido debena proporcionar a los dispositivos informaticos cliente datos asociados con la pagina web asf como los datos asociados con los recursos embebidos.
Algunos proveedores de contenido intentan facilitar la entrega del contenido solicitado, tales como paginas web y/o recursos identificados en las paginas web, a traves del uso de un proveedor del servicio de red de entrega de contenido (“CDN”). Un proveedor del servidor de CDN mantiene tipicamente un cierto numero de dispositivos informaticos en una red de comunicacion que pueden mantener contenido desde varios proveedores de contenido. A su vez, los proveedores de contenido pueden dar instrucciones, o sugerir en otra forma, a los dispositivos informaticos cliente para solicitar algunos, o todos, los contenidos del proveedor de contenido desde los dispositivos informaticos del proveedor del servicio de CDN.
Como con los proveedores de contenido, los proveedores del servicio de CDN estan tambien generalmente motivados para proporcionar el contenido solicitado a los dispositivos informaticos cliente frecuentemente con consideracion a la eficiencia de la transmision del contenido solicitado al dispositivo informatico cliente y/o con consideracion al coste asociado con la transmision del contenido. En consecuencia, los proveedores del servicio de CDN consideran frecuentemente factores tales como la latencia en la entrega del contenido solicitado para satisfacer los acuerdos de nivel de servicio o para mejorar en general la calidad del servicio de entrega.
El documento US 2006/064476 divulga un metodo y aparato para la visualizacion de objetos de contenido almacenados localmente. El documento US 6.286.084 divulga un enrutador al que se ha de conectar un sistema de memoria cache que se configura para registrar informacion en relacion a los destinos desde los que los usuarios de red estan solicitando informacion. Esta informacion se analiza para obtener una lista de destinos que se clasifican de acuerdo con la frecuencia con la que son solicitados y los N destinos mas altos se seleccionan a continuacion para el llenado de la memoria cache. El documento US 2008/046596 divulga un servidor del borde de la red de entrega de contenido que recoge, comprime y guarda en memoria cache el contenido obtenido desde el servidor de origen del proveedor de contenido, y sirve ese contenido en forma comprimida en respuesta a la recepcion de una solicitud del usuario final para ese contenido.
Sumario
La invencion se define en las reivindicaciones.
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Descripcion de los dibujos
Los aspectos precedentes y muchas de las ventajas que acompanan a la presente invencion se apreciaran mas facilmente cuando la misma se entienda mejor con referencia a la descripcion detallada a continuacion, cuando se tome en conjunto con los dibujos adjuntos, en los que:
La FIG. 1 es un diagrama de bloques ilustrativo del entorno de entrega de contenido que incluye un numero de dispositivos informaticos cliente, un proveedor de contenido, y un proveedor del servicio de la red de entrega de contenido;
la FIG. 2 es un diagrama de bloques del entorno de entrega de contenido de la FIG. 1 que ilustra la generacion y procesamiento de una solicitud de contenido desde un dispositivo informatico cliente a un proveedor de contenido;
la FIG. 3 es un diagrama de bloques del entorno de entrega de contenido de la FIG. 1 que ilustra la generacion y procesamiento de una consulta DNS que corresponde a un recurso embebido desde un dispositivo informatico cliente a un proveedor del servicio de la red de entrega de contenido;
la Figura 4 es un diagrama de bloques del entorno de entrega de contenido de la Figura 1 que ilustra la generacion y procesamiento de solicitudes de recursos embebidos desde un dispositivo informatico cliente a un proveedor del servicio de la red de entrega de contenido;
la Figura 5 es un diagrama de bloques del entorno de entrega de contenido de la Figura 1 que ilustra el procesamiento y gestion de la informacion de clase asociada recogida por un componente de la memoria cache de recursos;
la Figura 6 es un diagrama de bloques del entorno de entrega de contenido de la Figura 1 que ilustra otra realizacion del procesamiento y gestion de la informacion de clase asociada recogida por un componente de la memoria cache de recursos;
la Figura 7 es un diagrama de bloques del entorno de entrega de contenido de la Figura 1 que ilustra otra realizacion mas del procesamiento y gestion de informacion de clase asociada recogida por un componente de la memoria cache de recursos;
la Figura 8 es un diagrama de flujo que ilustra una rutina de supervision del contenido implementada por un proveedor del servicio de la red de entrega de contenido para supervision de las solicitudes de recursos desde dispositivos informaticos cliente; y
la Figura 9 es un diagrama de flujo que ilustra una rutina de procesamiento de contenido implementada por un proveedor de servicios de la red de entrega de contenido para la gestion del contenido para entrega a una clase de dispositivos informaticos cliente.
Descripcion detallada
Descrita en general, la presente divulgacion se dirige a la gestion y procesamiento de solicitudes de recursos realizadas a un proveedor del servicio de la red de entrega de contenido (“CDN”) desde dispositivos informaticos cliente. Espedficamente, se describiran aspectos de la divulgacion con referencia a supervision de solicitudes de recursos desde un grupo de dispositivos informaticos cliente y gestion del contenido para la entrega a uno o mas dispositivos informaticos cliente basandose en las solicitudes de recursos supervisados para el grupo. Aspectos adicionales de la divulgacion se dirigen a la supervision de solicitudes de recursos correspondientes a clases asociadas con dispositivos informaticos cliente basandose en dichas solicitudes de recursos supervisadas. Aunque diversos aspectos de la divulgacion se describiran con relacion a ejemplos y realizaciones ilustrativas, un experto en la materia apreciara que las realizaciones y ejemplos divulgados no debenan interpretarse como limitativas.
La Figura 1 es un diagrama de bloques ilustrativo del entorno de entrega de contenido 100 para la gestion y procesamiento de solicitudes de contenido. Como se ha ilustrado en la Figura 1, el entorno de entrega de contenido 100 incluye un numero de dispositivos informaticos cliente 102 (a los que se hace referencia en general como clientes) para solicitar contenido desde un proveedor de contenido y/o un proveedor del servicio de CDN. En una realizacion ilustrativa, los dispositivos informaticos cliente 102 puede corresponder a una amplia variedad de dispositivos informaticos que incluyen dispositivos informaticos personales, dispositivos informaticos portatiles, dispositivos informaticos manuales, dispositivos informaticos terminales, dispositivos moviles, dispositivos inalambricos, varios dispositivos y aparatos electronicos y similares. En una realizacion ilustrativa, los dispositivos informaticos cliente 102 incluyen necesariamente componentes de hardware y software para establecimiento de comunicaciones sobre una red de comunicacion 108, tal como una red de area amplia o red de area local. Por ejemplo, los dispositivos informaticos cliente 102 pueden equiparse con equipamiento de conexion en red y aplicaciones de software de navegador que facilitan las comunicaciones a traves de Internet o una intranet.
Aunque no se ha ilustrado en la Figura 1, cada dispositivo informatico cliente 102 utiliza algun tipo de componente de resolucion de DNS local, tal como un servidor de nombres DNS, que generan las solicitudes DNS atribuidas al dispositivo informatico cliente. En una realizacion, el componente de resolucion de DNS local puede proporcionarse por una red de empresa a la que pertenece el dispositivo informatico cliente 102. En otra realizacion, el componente de resolucion de DNS local puede proporcionarse por un proveedor de servicios de Internet (ISP) que proporciona la conexion de la red de comunicacion al dispositivo informatico cliente 102.
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El entorno de entrega de contenido 100 puede incluir tambien un proveedor de contenido 104 en comunicacion con los uno o mas dispositivos informaticos cliente 102 a traves de la red de comunicacion 108. El proveedor de contenido 104 ilustrado en la Figura 1 corresponde a una asociacion logica de uno o mas dispositivos informaticos asociados con un proveedor de contenido. Espedficamente, el proveedor de contenido 104 puede incluir un componente de servidor web 110 que corresponde a uno o mas dispositivos informaticos servidores para la obtencion y procesamiento de solicitudes de contenido (tales como paginas web) desde los dispositivos informaticos cliente 102. El proveedor de contenido 104 puede incluir adicionalmente un componente servidor de origen 112 y un componente de almacenamiento asociado 114 correspondiente a uno o mas de los dispositivos informaticos para la obtencion y procesamiento de solicitudes de recursos de red para el proveedor del servicio de CDN. Un experto en la materia apreciara que el proveedor de contenido 104 puede asociarse con varios recursos informaticos adicionales, tales como dispositivos informaticos adicionales para la administracion del contenido y recursos, servidores de nombres DNS, y similares. Por ejemplo, aunque no se ilustra en la Figura 1, el proveedor de contenido 104 puede asociarse con uno o mas componentes del servidor de nombres DNS que estana acreditado para resolver las consultas de DNS del dispositivo informatico cliente correspondiente a un dominio del proveedor de contenido.
Continuando con la referencia a la Figura 1, el entorno de entrega de contenido 100 incluye adicionalmente un proveedor del servicio de CDN 106 en comunicacion con los uno o mas dispositivos informaticos cliente 102 y los proveedores de contenido 104 a traves de la red de comunicacion 108. El proveedor del servicio de CDN 106 ilustrado en la Figura 1 corresponde a una asociacion logica de uno o mas dispositivos informaticos asociados con un proveedor del servicio de CDN. Espedficamente, el proveedor del servicio de CDN 106 puede incluir un numero de localizaciones de punto de presencia (“POP”) 116, 122, 128 que corresponden a nodos en la red de comunicacion 108. Cada POP 116, 122, 128 incluye un componente de DNS 118, 124, 130 compuesto de un numero de dispositivos informaticos del servidor de DNS para la resolucion de las consultas de DNS desde los ordenadores cliente 102. Cada POP 116, 122, 128 incluye tambien un componente de memoria cache de recursos 120, 126, 132 compuesto de un numero de dispositivos informaticos del servidor de memoria cache para almacenamiento de recursos desde los proveedores de contenido y transmision de varias solicitudes de recursos a varios ordenadores cliente. Los componentes del DNS 118, 124 y 130 y los componentes de la memoria cache de recursos 120, 126, 132 pueden incluir adicionalmente componentes de software y/o hardware adicional que faciliten las comunicaciones incluyendo, pero sin limitarse a, componentes de software/hardware de equilibrado de la carga o de comparticion de carga.
En una realizacion ilustrativa, el componente del DNS 118, 124, 130 y el componente de la memoria cache de recursos 120, 126, 132 se consideran agrupados logicamente, independientemente de si los componentes, o parte de los componentes, estan ffsicamente separados. Adicionalmente, aunque los POP 116, 122, 128 se ilustran en la Figura 1 como asociados logicamente con el proveedor del servicio de CDN 106, los POP estaran geograficamente distribuidos a todo lo largo de la red de comunicacion 108 de tal forma que sirvan mejor a la diversa demograffa de los dispositivos informaticos cliente 102. Adicionalmente, un experto en la materia apreciara que el proveedor del servicio de CDN 106 puede asociarse con varios recursos informaticos adicionales, tales como un proveedor de contenido adicional 134, dispositivos informaticos adicionales para administracion de contenido y recursos, y similares.
Un experto en la materia apreciara que los componentes y configuraciones proporcionados en la Figura 1 son de naturaleza ilustrativa. En consecuencia, pueden utilizarse componentes y/o configuraciones adicionales o alternativas, especialmente en relacion con los componentes, sistemas y subsistemas adicionales para facilitar las comunicaciones.
Con referencia ahora a las Figuras 2-4, se ilustra la interaccion de los diversos componentes del entorno de entrega de contenido 100 de la Figura 1. Con finalidades de ejemplo, sin embargo, la ilustracion se ha simplificado de modo que no se muestran muchos de los componentes utilizados para facilitar las comunicaciones. Un experto en la materia apreciara que pueden utilizarse dichos componentes y que en consecuencia tendran lugar interacciones adicionales sin apartarse del espmtu y alcance de la presente divulgacion.
Con referencia a la Figura 2, un dispositivo informatico cliente 102 genera una solicitud de contenido que se recibe y procesa por el proveedor de contenido 104, tal como a traves del servidor web 110. De acuerdo con una realizacion ilustrativa, la solicitud de contenido puede estar de acuerdo con protocolos comunes de la red, tales como el protocolo de transferencia de hipertexto (“HTTP”). Tras la recepcion de la solicitud de contenido, el proveedor de contenido 104 identifica el contenido de respuesta apropiado. En una realizacion ilustrativa, el contenido solicitado puede corresponder a una pagina web que se visualiza sobre el dispositivo informatico cliente 102 a traves del procesamiento de la informacion, tal como del lenguaje de marcado de hipertexto (“HTML”), lenguaje de marcado extensible (“XML”), y similares. El contenido solicitado puede incluir tambien un numero de identificadores de recursos embebidos que corresponden a los objetos de recursos que debenan obtenerse por el dispositivo informatico cliente 102 como parte del procesamiento del contenido solicitado. Puede hacerse referencia en general a los identificadores de recursos embebidos como identificadores de recursos o URL de recursos.
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En una realizacion, los URL de recursos identifican el dominio del proveedor del servicio de CDN 106 (por ejemplo, “proveedor-cdn.com”), el mismo nombre del recurso a ser solicitado (por ejemplo, “recurso.xxx”) y la misma ruta en la que se hallara el recurso (por ejemplo “ruta”). Adicionalmente, el URL del recurso puede incluir informacion de procesamiento adicional (por ejemplo, “informacion adicional”). La URL del recurso tendna la forma de:

http://informacion adicional.proveedorcdn.com/ruta/recurso.xxx
En otra realizacion, la informacion asociada con el proveedor del servicio de CDN 106 se incluye con la URL del recurso, tal como a traves de precedencia u otras tecnicas, de modo que la URL del recurso pueda mantener toda la informacion asociada con una URL previamente asociada con el proveedor de contenido 104. En la presente realizacion, la URL del recurso tendna la forma de:

http://informacion adicional.proveedorcdn.com/www.proveedorcontenido.com/ruta/recurso.xxx
Tras la recepcion del contenido solicitado, el dispositivo informatico cliente 102, tal como a traves de una aplicacion de software de navegador, comienza el procesamiento de cualquier parte del codigo de marcado incluido en el contenido e intenta adquirir los recursos identificados por los identificadores de recursos embebidos. En consecuencia, la primera etapa en la adquisicion del contenido corresponde a la emision, por el dispositivo informatico cliente 102 (a traves de su determinador de DNS local), de una consulta de DNS para el identificador del recurso, URL Recurso que da como resultado la identificacion de un servidor de DNS acreditado para las partes de “.” y “com” de la URL traducida. Despues de resolver las partes “.” y “com” de la URL embebida, el dispositivo informatico cliente 102 envfa entonces una consulta de DNS para la URL del recurso lo que da como resultado la identificacion del servidor de DNS acreditado para la parte “.proveedorcdn” de la URL embebida. La emision de las consultas de DNS correspondientes a las partes “.” y “com” de una URL son bien conocidas y no se han ilustrado.
Con referencia ahora a la Figura 3, en una realizacion ilustrativa, la resolucion con exito de la parte de “proveedorcdn” de la URL del recurso identifica una direccion de red, tal como una direccion IP, de un servidor de DNS asociado con el proveedor por el servicio de CDN 106. En una realizacion, la direccion IP puede ser una direccion de red espedfica unica para un componente del servidor de DNS de un POP. En otra realizacion, la direccion IP puede compartirse por uno o mas POP. En esta realizacion, una consulta de DNS adicional proporcionada a la direccion IP compartida utiliza un esquema de enrutado de red uno-a-muchos, tal como alguna difusion (anycast), de modo que un POP espedfico recibira la solicitud en funcion de la topologfa de la red. Por ejemplo, en una implementacion de alguna difusion, una consulta de DNS enviada por un dispositivo informatico cliente 102 a una direccion IP compartida llegara a un componente del servidor de DNS que tenga logicamente la distancia en la topologfa de red mas corta, denominada frecuentemente como un salto de red, desde el dispositivo informatico cliente. La distancia en la topologfa de red no corresponde necesariamente a una distancia geografica. Sin embargo, en algunas realizaciones, la distancia en la topologfa de red puede deducirse que es la distancia en la red mas corta entre un dispositivo informatico cliente 102 y un POP. Se apreciara por un experto en la materia que existen un numero de formas para determinar la distancia en la topologfa de red.
Continuando con la referencia a la Figura 3, en cualquiera de las realizaciones identificadas anteriormente (o en cualquier otra realizacion), un servidor de DNS espedfico en el componente de DNS 118 de un POP 116 recibe la consulta de DNS correspondiente al URL del recurso desde el dispositivo informatico cliente 102. Una vez que uno de los servidores de DNS en el componente de DNS 118 recibe la solicitud, el servidor de DNS espedfico intenta resolver la solicitud. En una realizacion ilustrativa, tal como se muestra en la Figura 3, un servidor de DNS espedfico resuelve la consulta de DNS mediante la identificacion de una direccion IP de un componente de memoria cache del recurso que procesara la solicitud para el recurso solicitado. Tras la seleccion de un componente de la memoria cache del recurso 120, 126, 132, el componente del servidor de DNS 118 proporciona una direccion IP del dispositivo informatico servidor de memoria cache, componente de memoria cache del recurso o un dispositivo de equilibrado de carga/comparticion de carga asociado con un componente de memoria cache del recurso.
Con referencia ahora a la Figura 4, el dispositivo informatico cliente 102 puede utilizar entonces protocolos de comunicacion de Internet para solicitar el recurso desde un componente de la memoria cache del recurso identificado por la direccion IP. El componente de memoria cache del recurso procesara entonces la solicitud, tal como se describira con mayor detalle a continuacion, y proporcionara el recurso al dispositivo informatico cliente 102. Tras la recepcion, el recurso solicitado se procesa por la aplicacion de navegador sobre el dispositivo informatico cliente 102 segun sea apropiado. Se apreciara por un experto en la materia que un componente de memoria cache del recurso 120, 126, 132 seleccionado puede o bien proporcionar el recurso solicitado si esta disponible, tal como se ha descrito anteriormente, o bien intentar obtener el recurso solicitado desde otra fuente, tal como un dispositivo informatico de servidor de memoria cache parejo o desde el servidor de origen 112 del proveedor de contenido 104.
Continuando con la referencia a la Figura 4, en conjunto con el procesamiento de la solicitud del recurso, el componente de memoria cache del recurso determina una clase asociada con el dispositivo informatico cliente solicitante. En una realizacion, el componente de la memoria cache del recurso utiliza informacion recibida desde la solicitud del cliente para determinar la clase. La clase puede determinarse desde el cliente directamente (tal como
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informacion proporcionada por el dispositivo informatico cliente o ISP) o indirectamente (tal como deducida a traves de una direccion IP del dispositivo informatico cliente). Adicionalmente, el componente de memoria cache del recurso puede usar informacion adicional para determinar la clase, tal como una zona horaria en la que se localiza el dispositivo informatico cliente solicitante. El componente de la memoria cache del recurso asocia la informacion de clase con el contenido solicitado y mantiene la informacion de clase asociada, por ejemplo, en un archivo de registro, para compartir con el proveedor del servicio de CDN 106. En una realizacion ilustrativa, la determinacion de la clase puede determinarse estadfsticamente basandose en definiciones de clase predefinidas de modo que la asociacion de la clase puede realizarse en el momento de la recepcion de solicitudes de recursos. Por ejemplo, puede ser conocida una localizacion geografica en el momento del procesamiento de la solicitud. En otra realizacion, la determinacion de la clase puede ser dinamica y puede no ser determinada (o determinable) en el procesamiento de la solicitud. Por ejemplo, clases de comportamiento basadas en la observacion del comportamiento a lo largo de una ventana de tiempo pueden no determinarse hasta la finalizacion del procesamiento de los datos observados en la ventana de observacion.
En una realizacion ilustrativa, la clase puede corresponder a una zona geografica espedfica a la que pertenece el dispositivo informatico cliente. Adicional o alternativamente, la clase puede corresponder a un dominio temporal, por ejemplo, zona horaria, horas comerciales, horas diurnas/nocturnas, vacaciones, y similares. En otra realizacion, la clase puede corresponder a un area objetivo particular, tal como un grupo de noticias, asociado con o bien el contenido solicitado o bien con el usuario o con ambos. Mas adicionalmente, la clase puede corresponder a datos demograficos. Dependiendo de la informacion a ser recogida desde el dispositivo informatico cliente solicitante, el componente de la memoria cache del recurso puede determinar y mantener esta informacion en un cierto numero de formas tal como se apreciara por un experto en la materia. Mas aun, se apreciara adicionalmente por un experto en la materia que uno o mas dispositivos informaticos en el POP en el que se recibe la solicitud de recursos puede realizar cualquiera de las funciones descritas anteriormente.
Con referencia ahora a la Figura 5, se describira una realizacion ilustrativa de como el proveedor del servicio de CDN 106 procesa y gestiona la informacion de clase asociada, recogida por el componente de memoria cache del recurso 132. El componente de la memoria cache del recurso 132 proporciona la informacion de clase asociada recogida en el POP 128 al proveedor del servicio de CDN 106. La informacion de clase asociada puede procesarse entonces por el proveedor del servicio de CDN en un cierto numero de formas. En una realizacion, el proveedor del servicio de CDN puede identificar informacion de contenido para proporcionar a un dispositivo informatico del CDN basandose en la informacion de clase asociada. La informacion de contenido identificada puede incluir una lista de contenidos frecuentemente solicitados basandose en la informacion de clase asociada recogida en el componente de la memoria cache del recurso 132. Alternativamente, la informacion de contenido identificada puede incluir el contenido solicitado frecuentemente en sf, asf como informacion adicional asociada con el contenido solicitado frecuentemente tal como metricas de rendimiento en la red, acuerdos de nivel de servicio del proveedor de contenido, y similares, y/u otro contenido correspondiente (por ejemplo, documentos correspondientes, publicidad y similares, tal como se describira con detalle adicional a continuacion con respecto a la Figura 7).
Ademas de la identificacion de informacion de contenido, el proveedor del servicio de CDN 106 puede identificar un componente de memoria cache espedfico 120 al que proporcionar su informacion de contenido. La identificacion del componente de la memoria cache espedfico puede basarse tambien en la informacion de clase asociada recogida en el componente de la memoria cache del recurso 132. Por ejemplo, en donde la clase corresponde a una zona horaria, el proveedor del servicio de CDN puede identificar un componente de memoria cache del recurso 120 que esta autorizado para dar servicio a un dispositivo informatico cliente que tenga una zona horaria diferente. En otra realizacion, el proveedor del servicio de CDN podna enviar simplemente la informacion de contenido identificada a todos o a un subconjunto de componentes de memoria cache del recurso del proveedor del servicio de CDN y permitir a los componentes de memoria cache determinar como gestionar la informacion de contenido identificada.
Continuando con referencia a la Figura 5, de acuerdo con la presente realizacion ilustrativa, una vez se procesa la informacion de clase asociada por el proveedor del servicio de CDN, la informacion del contenido identificado se proporciona al componente de memoria cache 120 del recurso seleccionado que a su vez gestiona la informacion del contenido identificado proporcionada por el proveedor del servicio de CDN 106. En una realizacion, el componente de memoria cache 120 gestiona la informacion del contenido identificado mediante la obtencion del contenido desde una localizacion de almacenamiento como anticipacion de solicitudes de contenido posteriores en el componente de memoria cache 120 para el contenido identificado. En otra realizacion, el componente de memoria cache 120 puede mover el contenido identificado desde la memoria de disco a la memoria del componente de memoria cache 120. En otra realizacion mas, el componente de memoria cache 120 puede alterar una expiracion asociada con el contenido identificado en la memoria del componente de la memoria cache 120 de modo que asegure que el contenido permanece disponible cuando posteriormente se solicite por un dispositivo informatico cliente. En una realizacion adicional mas, el componente de memoria cache 120 puede verificar simplemente la disponibilidad del contenido identificado en el componente de la memoria cache.
Un experto en la materia apreciara que pueden utilizarse cualquiera de varias metodologfas o algoritmos para procesar y gestionar la informacion de clase asociada dentro del espmtu y alcance de la presente divulgacion. Los siguientes ejemplos espedficos se proporcionan con finalidades ilustrativas.
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En una realizacion, en donde la informacion de clase corresponde a solicitudes de contenido supervisadas para un conjunto de dispositivos informaticos cliente en una region que tiene una primera zona horaria, el proveedor del servicio de CDN procesa la informacion de clase para identificar un conjunto de recursos frecuentemente solicitados en la primera zona horaria. El proveedor del servicio de CDN precarga entonces el contenido asociado con el conjunto identificado de recursos frecuentemente solicitados en un componente de la memoria cache que se autoriza para dar servicio a un conjunto de dispositivos informaticos cliente en una zona horaria diferente. En consecuencia, el proveedor del servicio de cDn es capaz de proporcionar posteriormente dicho contenido precargado con latencias de entrega mas bajas. Un experto en la materia apreciara adicionalmente que el componente de memoria cache autorizado para dar servicio al conjunto de dispositivos informaticos cliente localizados en una zona horaria diferente puede precargar el contenido en cualquier momento adecuado basandose en restricciones de procesamiento aplicables al componente de memoria cache individual. Ademas, se apreciara tambien adicionalmente por un experto en la materia que el contenido puede precargarse total o parcialmente en el componente de la memoria cache.
En otra realizacion ilustrativa, el proveedor del servicio de CDN procesa la informacion de clase asociada para identificar una lista de recursos frecuentemente solicitados y proporciona una lista a un conjunto de componentes de memoria cache de recursos. Cada componente de la memoria cache de recursos puede determinar entonces individualmente si precargar uno o mas de los recursos frecuentemente solicitados.
En una realizacion ilustrativa adicional, en donde la informacion de contenido es una lista de contenido deducida a partir de solicitudes de recursos realizadas por un primer grupo de dispositivos informaticos cliente y donde la lista de contenido se ha proporcionado a un componente de la memoria cache para dar servicio a un segundo grupo de dispositivos informaticos cliente, el proveedor del servicio de CDN puede supervisar adicionalmente si los dispositivos informaticos cliente en el segundo grupo solicitan posteriormente contenido de la lista. El proveedor del servicio de CDN puede entonces determinar si debenan realizarse modificaciones a la lista de contenido recomendadas por el primer grupo al segundo grupo basandose en el comportamiento aprendido posteriormente del segundo grupo. Se apreciara por un experto en la materia que pueden implementarse una diversidad de logicas para supervisar dicho comportamiento y para actualizar recomendaciones basandose en el mismo.
En una realizacion ilustrativa adicional mas, el proveedor del servicio de CDN supervisa las solicitudes de recursos de un primer grupo de dispositivos informaticos cliente e identifica un conjunto de contenido correspondiente al mismo. El proveedor del servicio de CDN puede entonces gestionar el conjunto identificado de contenido en un componente de la memoria cache de recursos autorizado para dar servicio a un segundo grupo de dispositivos informaticos cliente. Tal como se ha expuesto anteriormente, hay un cierto numero de formas para gestionar el conjunto identificado de contenido, por ejemplo, precargando el contenido en el componente de memoria cache de recursos, verificando la disponibilidad del contenido, gestionando la informacion de control de la memoria cache en relacion al contenido en la memoria (por ejemplo, cambiando los datos de expiracion o manipulando las variables de expiracion), y similares. Se apreciara adicionalmente por un experto en la materia que el primer y el segundo grupos pueden ser el mismo o diferentes.
En otra realizacion mas, el proveedor del servicio de CDN supervisa las solicitudes de recursos asociadas con una clase de dispositivos informaticos y asocia los recursos solicitados con la clase. Entonces el proveedor del servicio de CDN, en una realizacion, precarga contenido en un componente de la memoria cache de recursos de CDN en funcion de la clase. Esta funcion puede implicar una determinacion de coincidencia en la que el proveedor del servicio de CDN hace coincidir una clase del dispositivo informatico cliente con una clase asociada con los recursos. Por ejemplo, el proveedor de CDN puede hacer coincidir un tema de interes, tal como puntuaciones de baloncesto, con los recursos que se han asociado con la misma clase basandose en solicitudes previas. Alternativamente, la funcion puede implicar una determinacion de correlacion en la que el proveedor del servicio de CDN correlaciona una clase del dispositivo informatico cliente con una clase diferente asociada con los recursos. Por ejemplo, el proveedor del servicio de CDN puede correlacionar una primera clase geografica, tal como la ciudad de Nueva York, con otra clase geografica, tal como San Francisco. En una realizacion ilustrativa, la determinacion de la coincidencia o correlacion puede facilitarse a traves de un proceso manual, tal como por un administrador, o basandose en comportamientos observados.
Con referencia ahora a la Figura 6, se describira una realizacion alternativa dirigida a como el proveedor del servicio de CDN 106 procesa y gestiona la informacion de clase asociada recogida por el componente de la memoria cache de recursos 132. Esta realizacion es virtualmente identica a las realizaciones descritas anteriormente con referencia a la Figura 5 con excepcion de que en lugar de la identificacion de un componente de la memoria cache de recursos espedfico al que enviar la informacion de contenido identificado, se identifica un dispositivo informatico cliente. Ademas, las funciones de procesamiento posterior realizadas por los componentes de memoria cache de recursos identificados en las realizaciones anteriores pueden realizarse ahora de modo similar por los dispositivos informaticos cliente identificados. De acuerdo con esta realizacion alternativa, el proveedor del servicio de CDN 106 incluye un componente cliente, tal como una aplicacion de software, para la gestion de la informacion de contenido identificada en el dispositivo informatico cliente. El proveedor del servicio de CDN 106 proporciona el componente cliente a los dispositivos informaticos cliente que deseen participar en dicho servicio.
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Continuando con referencia a la Figura 6, en una realizacion ilustrativa espedfica, el componente de la memoria cache de recursos 132 proporciona la informacion de clase asociada recogida en el componente de la memoria cache de recursos 132 al proveedor del servicio de CDN 106. En esta realizacion, la informacion de clase asociada incluye datos que identifican el contenido correspondiente a solicitudes realizadas para una clase asociada con un primer conjunto de dispositivos informaticos cliente. Tras la recepcion de esta informacion de clase asociada, el proveedor del servicio de CDN 106 identifica un segundo conjunto de dispositivos informaticos cliente en funcion de la clase del primer conjunto de dispositivos informaticos. El proveedor del servicio de CDN proporciona entonces informacion de contenido relativa a las solicitudes de recursos a un dispositivo informatico cliente en el segundo conjunto de dispositivos informaticos cliente. En esta realizacion ilustrativa, la informacion de contenido incluye una lista de contenido frecuentemente solicitado para la clase asociada con el primer conjunto de dispositivos informaticos cliente. El dispositivo informatico cliente en un segundo conjunto de dispositivos gestiona esta informacion de contenido (a traves de una aplicacion en el lado cliente proporcionada por el proveedor del servicio de CDN) mediante la verificacion de la disponibilidad del contenido listado y la obtencion de uno o mas de los recursos listados si no estan disponibles.
Con referencia ahora a la Figura 7, en una realizacion, el proveedor del servicio de CDN 106 puede proporcionar la informacion de clase recogida desde los POP para procesamiento adicional. Como se ha ilustrado previamente en la Figura 1, uno o mas proveedores de contenido adicional 134 pueden ser parte del proveedor del servicio de CDN 106. Los proveedores de contenido adicional 134 pueden corresponder a componentes adicionales o servicios asociados con el proveedor del servicio de CDN 106, tal como motores o servicios publicitarios, motores o servicios de recomendacion, aplicaciones o servicios de seguridad, y similares. Adicionalmente, aunque los proveedores de contenido terceros 134 fueran ilustrados previamente como parte del proveedor del servicio de CDN 106, un experto en la materia apreciara que uno o mas de los proveedores de contenido terceros 134 pueden ser independientes.
Basandose en la informacion de clase proporcionada por el proveedor del servicio de CDN 106 o puesta a disposicion en otra forma por el proveedor de servicios de CDN 106, los proveedores de contenido terceros 134 pueden utilizar la informacion de clase como entradas. Por ejemplo, en una realizacion, si el proveedor de contenido tercero 134 corresponde a un motor o componente publicitario, la informacion de clase puede procesarse para anticipar oportunidades de presentacion publicitaria futura en la memoria cache. En consecuencia, el proveedor de contenido tercero 134 puede procesar la entrada y el proveedor del servicio de CDN 106 puede realizar etapas adicionales. En otro ejemplo, si el proveedor de contenido tercero 134 corresponde a un motor o componente de recomendacion, la informacion de clase puede procesarse para anticipar solicitudes de contenido adicional o solicitudes de contenido futuras. En consecuencia, el proveedor de contenido tercero 134 puede procesar las entradas y el proveedor del servicio de CDN 106 puede realizar las etapas adicionales. Un experto en la materia apreciara que pueden utilizarse cualquiera de varias metodologfas o algoritmos para procesar la informacion de clase dentro del espmtu y alcance de la presente divulgacion.
Continuando con referencia a la Figura 7, el proveedor de contenido adicional 134 puede proporcionar informacion procesada de vuelta al proveedor del servicio de CDN 106 para procesamiento adicional. Adicional o alternativamente, el proveedor del contenido adicional 134 puede proporcionar la informacion procesada directamente a uno o mas POP, tal como el POP 116. En cualquiera de las dos realizaciones, la accion adicional acometida por el proveedor del servicio de CDN 106 puede incluir notificaciones de publicidad adicional y/u oportunidades de visualizacion, la identificacion de contenido adicional que puede precargarse tambien en un componente de la memoria cache de recursos, y/o la gestion adicional del contenido ya almacenado en el componente de la memoria cache de recursos.
Con referencia ahora a la Figura 8, se describira una realizacion de una rutina de supervision de contenido 800 implementada por el proveedor del servicio de CDN 106 para supervision de solicitudes de recursos desde dispositivos informaticos cliente. Un experto en la materia apreciara que las acciones/etapas descritas para la rutina 800 pueden implementarse por uno o muchos dispositivos informaticos/componentes que estan asociados con el proveedor del servicio de CDN 106. En consecuencia, la rutina 800 se ha asociado logicamente como realizada en general por el proveedor del servicio de CDN 106, y por ello no debenan interpretarse como limitativas las siguientes realizaciones ilustrativas.
En el bloque 802, un componente de la memoria cache de recursos 132 recibe una solicitud de contenido desde un dispositivo informatico cliente. La informacion de clase asociada con el dispositivo informatico cliente se determina entonces en el bloque 804. En una realizacion ilustrativa, la determinacion de la informacion de clase en el bloque 804 puede incluir espedficamente la asociacion del dispositivo informatico cliente solicitante con un primer grupo de otros dispositivos informaticos cliente basandose en una variedad de criterios. En un ejemplo, los criterios corresponden a una zona horaria en la que se localizan los dispositivos informaticos cliente. Continuando en el bloque 806, el componente de la memoria cache de recursos asocia adicionalmente la informacion de clase identificada con el contenido solicitado. A continuacion, en el bloque 808, el componente de la memoria cache de recursos 132 proporciona informacion al proveedor del servicio de CDN 106 en relacion a la clase asociada. La rutina finaliza en el bloque 810.
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Con referencia ahora a la Figura 9, se describira una realizacion de una rutina de procesamiento de contenido 900 para la gestion de contenido para entrega a una clase de dispositivos informaticos cliente. Un experto en la materia apreciara que las acciones/etapas descritas para la rutina 900 pueden implementarse por uno o muchos dispositivos informaticos/componentes que estan asociados con el proveedor del servicio de CDN 106. En consecuencia, la rutina 900 se ha asociado logicamente como realizada por el proveedor del servicio de CDN 106.
En el bloque 902, el proveedor del servicio de CDN 106 recibe informacion en relacion a la informacion de clase asociada, tal como la proporcionada desde un componente de memoria cache de recursos en el bloque 810 de la Figura 8. A continuacion, en el bloque 904, el proveedor del servicio de CDN 106 procesa la informacion de clase recibida. Como se ha descrito anteriormente, puede implementarse una variedad de logicas para procesamiento de la informacion de clase recibida en el proveedor del servicio de CDN. Continuando con la realizacion ilustrativa descrita con referencia a la Figura 8, el proveedor del servicio de CDN 106 recibe informacion acerca de las solicitudes de recursos realizadas por los dispositivos informaticos cliente en una primera zona horaria y procesa esta informacion mediante la identificacion del contenido para un componente de la memoria cache autorizado a dar servicio a un dispositivo informatico cliente en una segunda zona horaria basandose en solicitudes de recursos realizados por los dispositivos informaticos cliente en la primera zona horaria. Por ejemplo, el proveedor del servicio de CDN 106 puede proporcionar una lista del contenido solicitado mas frecuentemente en la primera zona horaria al componente de la memoria cache que esta autorizado a dar servicio a los dispositivos informaticos cliente en una segunda zona horaria.
Continuando en un bloque 906 de la Figura 9, el proveedor del servicio de CDN gestiona el contenido basandose en el procesamiento realizado sobre la informacion de clase asociada en el bloque 904. Como tambien se ha expuesto anteriormente, puede implementarse una variedad de logicas para la gestion del contenido. De acuerdo con la realizacion ilustrativa presente, el proveedor del servicio de cDn puede gestionar el contenido basandose en la informacion procesada mediante la obtencion, en el componente de memoria cache en la segunda zona horaria, del contenido identificado desde una localizacion de almacenamiento o, mas espedficamente, mediante la precarga del contenido desde la lista en el componente de la memoria cache en anticipacion de solicitudes similares desde los dispositivos informaticos cliente en la segunda zona horaria. La rutina 900 acaba en el bloque 908.
Se apreciara por los expertos en la materia y otros que mientras que las funciones de procesamiento y gestion se han descrito en el presente documento como realizadas en diversos componentes del proveedor del servicio de CDN, estas funciones pueden distribuirse a traves de uno o mas dispositivos informaticos del proveedor del servicio de CDN. Ademas, las solicitudes de contenido e informacion de clase asociada supervisada en los componentes de memoria cache de recursos pueden mantenerse globalmente por el proveedor del servicio de CDN y compartirse con todos o con algun subconjunto de los componentes de la memoria cache del proveedor del servicio de CDN. De modo similar, la informacion del contenido identificado basandose en el procesamiento de la informacion de clase asociada puede proporcionarse como unos procesos por lotes para los componentes de la memoria cache de recursos o pueden enviarse en respuesta a una solicitud desde un componente de la memoria cache a otro.
Se apreciara por los expertos en la materia y otros que todas las funciones descritas en la presente divulgacion pueden realizarse en software ejecutado por uno o mas procesadores de los componentes divulgados y dispositivos de comunicacion moviles. El software puede almacenarse persistentemente en cualquier tipo de almacenamiento no volatil.
El lenguaje condicional, tales como, entre otros, “puede”, “podna”, “es posible” o “puede que”, a menos que espedficamente se establezca lo contrario, o se entienda en otra forma dentro del contexto tal como se usa, se pretende en general que transmita que ciertas realizaciones incluyen, mientras que otras realizaciones no incluyen, ciertas caractensticas, elementos y/o etapas. Por ello, dicho lenguaje condicional no se pretende en general que implique que las caractensticas, elementos y/o etapas se requieren en ninguna forma para una o mas realizaciones o que una o mas realizaciones incluyen necesariamente logica para decision, con o sin la entrada o solicitud del usuario, si estas caractensticas, elementos y/o etapas se incluyen o han de ser realizadas en cualquier realizacion particular.
Cualesquiera descripciones, elementos, o bloques de procesos en los diagramas de flujo descritos en el presente documento y/o representados en las figuras adjuntas debenan entenderse como que representan potencialmente modulos, segmentos, o partes de codigo que incluyen una o mas instrucciones ejecutables para la implementacion de las funciones logicas espedficas o etapas en el proceso. Se incluyen implementaciones alternativas dentro del alcance de las realizaciones descritas en el presente documento en las que pueden excluirse elementos o funciones, ejecutarse fuera del orden mostrado o explicado, incluyendo sustancialmente simultaneamente o en orden inverso, dependiendo de la funcionalidad implicada, como se entendera por los expertos en la materia. Se apreciara adicionalmente que los datos y/o componentes descritos anteriormente pueden almacenarse en un medio legible por ordenador y cargarse dentro de la memoria del dispositivo informatico usando un mecanismo de unidad asociado con un almacenamiento legible por ordenador que almacena componentes ejecutables por ordenador tales como un CD-ROM, DVD-ROM, o interfaz de red adicional, los componentes y/o datos pueden incluirse en un unico dispositivo o distribuirse en cualquier forma. En consecuencia, los dispositivos informaticos de proposito general pueden
configurarse para implementar los procesos, algoritmos y metodologfa de la presente divulgacion con el procesamiento y/o ejecucion de los diversos datos y/o componentes descritos anteriormente.
Debena remarcarse que pueden realizarse muchas variaciones y modificaciones a las realizaciones anteriormente 5 descritas, cuyos elementos han de entenderse como que estan entre otros ejemplos aceptables.

Claims (6)

  1. 5
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    REIVINDICACIONES
    1. Un metodo que comprende:
    supervisar, en un proveedor del servicio de red de entrega de contenido (106), solicitudes de recursos desde un primer grupo de dispositivos informaticos cliente, en el que la supervision de las solicitudes de recursos comprende la supervision de las solicitudes de recursos desde un primer grupo de dispositivos informaticos cliente (102) en una primera zona horaria durante una ventana de tiempo;
    identificar un conjunto de contenido que corresponde a las solicitudes de recursos desde el primer grupo, en el que la identificacion de un conjunto de contenido que corresponde a las solicitudes de recursos para el primer grupo comprende la identificacion de contenido solicitado frecuentemente para el primer grupo; precargar el conjunto identificado de contenido en un componente de memoria cache (120) autorizado para dar servicio a un segundo grupo de dispositivos informaticos cliente, en el que la precarga de contenido comprende la precarga de contenido en un componente de memoria cache autorizado para dar servicio al segundo grupo de dispositivos informaticos cliente en una zona horaria diferente durante la misma ventana de tiempo en anticipacion de solicitudes similares desde dispositivos informaticos cliente en la segunda zona horaria.
  2. 2. El metodo de la reivindicacion 1, en el que la precarga del conjunto identificado de contenido comprende la precarga del contenido frecuentemente solicitado identificado.
  3. 3. El metodo de la reivindicacion 1 o la reivindicacion 2, en el que la precarga del conjunto identificado de contenido comprende la precarga de contenido adicional asociado con el contenido frecuentemente solicitado identificado.
  4. 4. Un sistema que comprende:
    un primer punto de presencia de la red (116, 122, 128) asociado con un proveedor del servicio de la red de entrega de contenido (106),
    en el que el primer punto de presencia de la red es operativo para:
    obtener una solicitud de recursos desde un primer dispositivo informatico cliente (102); asociar el primer dispositivo informatico cliente con un primer grupo de dispositivos informaticos cliente; supervisar solicitudes de recursos para el primer grupo, en el que la supervision de solicitudes de recursos comprende la supervision de solicitudes de recursos desde un primer grupo de dispositivos informaticos cliente en una primera zona horaria durante una ventana de tiempo; y
    identificar el contenido para un segundo dispositivo informatico cliente en funcion de las solicitudes de recursos supervisadas para el primer grupo, en el que la identificacion de un conjunto de contenido en funcion de las solicitudes de recursos supervisadas para el primer grupo comprende la identificacion de contenido frecuentemente solicitado para el primer grupo; y
    gestionar el contenido identificado para el segundo dispositivo informatico cliente asociado con un segundo grupo de dispositivos informaticos cliente en una zona horaria diferente, incluyendo la precarga de contenido en un componente de la memoria cache (120) autorizado para dar servicio al segundo grupo de dispositivos informaticos cliente en la de zona horaria diferente durante la misma ventana de tiempo en anticipacion de solicitudes similares desde los dispositivos informaticos cliente en la segunda zona horaria.
  5. 5. El sistema de la reivindicacion 4, en el que el primer punto de presencia de la red es operativo para precargar contenido, la precarga del conjunto identificado de contenido comprende la precarga de contenido frecuentemente solicitado identificado.
  6. 6. El sistema de la reivindicacion 4 o la reivindicacion 5, en el que el primer punto de presencia de la red es operativo para la precarga, el conjunto identificado de contenido comprende la precarga adicional de contenido asociado con el contenido frecuentemente solicitado identificado.
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