Abstract: Content may be inserted at a duplicating device by inserting advertising content into a duplicated feed, and transmitting the duplicated feed to the terminal. The transmission of the duplicated feed is performed in response to a state of the terminal.

Abstract: A client may be configured to access a network by identifying a network bandwidth configuration setting to be used by the client in accessing a networked content source, enabling the client to access the content source using the network bandwidth configuration setting, monitoring client access to the content source, comparing client access metrics to metrics associated with the network bandwidth configuration setting, determining, based on the comparison, whether to adjust the network bandwidth configuration settings for the client, and adjusting the network bandwidth configuration setting if appropriate.

Abstract: An initialization vector (IV) is employed to decrypt a block of a stream that has been encrypted with Cypher Block Chaining (CBC) encryption, without requiring decryption of previous blocks within the stream. For example, a listener who accesses a distribution point to retrieve encrypted content authenticates himself to an application server that regulates access to encrypted content on the distribution point, and responsively receives a key. The listener then requests access to a reference point within the encrypted content stream somewhere after its beginning (e.g., using preview clips). The distribution point relates the reference point to a corresponding block of the encrypted stream, and identifies an IV previously used for encryption of that block. The distribution point provides the associated encrypted block of content and the IV to the listener to enable mid-stream rendering of the encrypted content, without requiring the listener to decrypt previous blocks within the encrypted stream.

Abstract: A client device is enabled to access content by generating a request to access content residing on a host. A rule set associated with a user is accessed that includes one or more rules configured to identify content responsive to a predicted interest of the user. The rule set is used to identify content selections from a library of content selections available on the host. A first address corresponding to a first content selection and a second address for a second content selection identifying are identified from among the identified content selections. The first content selection is accessed from among the identified content selections by establishing a connection to the host at the address identified for the first content selection. In response to receiving a change instruction to change a content selection being rendered, the second content selection is accessed from the identified content selections at the second address.

Abstract: An initialization vector (IV) is employed to decrypt a block of a stream that has been encrypted with Cypher Block Chaining (CBC) encryption, without requiring decryption of previous blocks within the stream. For example, a listener who accesses a distribution point to retrieve encrypted content authenticates himself to an application server that regulates access to encrypted content on the distribution point, and responsively receives a key. The listener then requests access to a reference point within the encrypted content stream somewhere after its beginning (e.g., using preview clips). The distribution point relates the reference point to a corresponding block of the encrypted stream, and identifies an IV previously used for encryption of that block. The distribution point provides the associated encrypted block of content and the IV to the listener to enable mid-stream rendering of the encrypted content, without requiring the listener to decrypt previous blocks within the encrypted stream.

Abstract: A client may be configured to access a network by identifying a network bandwidth configuration setting to be used by the client in accessing a networked content source, enabling the client to access the content source using the network bandwidth configuration setting, monitoring client access to the content source, comparing client access metrics to metrics associated with the network bandwidth configuration setting, determining, based on the comparison, whether to adjust the network bandwidth configuration settings for the client, and adjusting the network bandwidth configuration setting if appropriate.

Abstract: A switch having a first communications interface to receive a stream of data units, a buffer to store the payload portion of the data unit, a replicator to duplicate at least the payload portion of the data unit, and a second communications interface to enable access to the stream of data units by two or more terminals.

Abstract: A client device is enabled to access content by generating a request to access content residing on a host. A rule set associated with a user is accessed that includes one or more rules configured to identify content responsive to a predicted interest of the user. The rule set is used to identify content selections from a library of content selections available on the host. A first address corresponding to a first content selection and a second address for a second content selection identifying are identified from among the identified content selections. The first content selection is accessed from among the identified content selections by establishing a connection to the host at the address identified for the first content selection. In response to receiving a change instruction to change a content selection being rendered, the second content selection is accessed from the identified content selections at the second address.

Abstract: An initialization vector (IV) is employed to decrypt a block of a stream that has been encrypted with Cypher Block Chaining (CBC) encryption, without requiring decryption of previous blocks within the stream. For example, a listener who accesses a distribution point to retrieve encrypted content authenticates himself to an application server that regulates access to encrypted content on the distribution point, and responsively receives a key. The listener then requests access to a reference point within the encrypted content stream somewhere after its beginning (e.g., using preview clips). The distribution point relates the reference point to a corresponding block of the encrypted stream, and identifies an IV previously used for encryption of that block. The distribution point provides the associated encrypted block of content and the IV to the listener to enable mid-stream rendering of the encrypted content, without requiring the listener to decrypt previous blocks within the encrypted stream.

Abstract: Using switching technologies to duplicate packets of a digital stream (e.g., digital video stream) sent from one workstation to multiple recipient workstations, where the switching technologies enable the multiple streams sent from the switch to the recipient workstations to be generated from a single digital stream sent from the sending workstation to the switch. Data units, such as video data units, may be transmitted by using a switch to enable receipt of a stream of data units including a payload portion and an attribute portion from at least two conferencing participants. The switch is used to duplicate at least a subportion of the payload portion of a data unit within the stream of data units, and to enable access to the duplicated subportion of the data unit by two or more conferencing participants.

Abstract: Content may be inserted at a duplicating device by inserting advertising content into a duplicated feed, and transmitting the duplicated feed to the terminal. The transmission of the duplicated feed is performed in response to a state of the terminal.

Abstract: Using switching technologies to duplicate packets of a digital stream (e.g., digital video stream) sent from one workstation to multiple recipient workstations, where the switching technologies enable the multiple streams sent from the switch to the recipient workstations to be generated from a single digital stream sent from the sending workstation to the switch. Data units, such as video data units, may be transmitted by using a switch to enable receipt of a stream of data units including a payload portion and an attribute portion from at least two conferencing participants. The switch is used to duplicate at least a subportion of the payload portion of a data unit within the stream of data units, and to enable access to the duplicated subportion of the data unit by two or more conferencing participants.

Abstract: Access to content may be enabled by receiving an instruction indicating a client request to access content, accessing a list of content sources capable of rendering the content for which access is requested by the client, determining a performance metric for at least two of the content sources, and selecting among the content sources based on the performance metric to identify a content source to be accessed by the client.

Abstract: Using switching technologies to duplicate packets of a digital stream (e.g., digital video stream) sent from one workstation to multiple recipient workstations, where the switching technologies enable the multiple streams sent from the switch to the recipient workstations to be generated from a single digital stream sent from the sending workstation to the switch. Data units, such as video data units, may be transmitted by using a switch to enable receipt of a stream of data units including a payload portion and an attribute portion from at least two conferencing participants. The switch is used to duplicate at least a subportion of the payload portion of a data unit within the stream of data units, and to enable access to the duplicated subportion of the data unit by two or more conferencing participants.

Abstract: A switch having a first communications interface to receive a stream of data units, a buffer to store the payload portion of the data unit, a replicator to duplicate at least the payload portion of the data unit, and a second communications interface to enable access to the stream of data units by two or more terminals.

Abstract: A client may be configured to access a network by identifying a network bandwidth configuration setting to be used by the client in accessing a networked content source, enabling the client to access the content source using the network bandwidth configuration setting, monitoring client access to the content source, comparing client access metrics to metrics associated with the network bandwidth configuration setting, determining, based on the comparison, whether to adjust the network bandwidth configuration settings for the client, and adjusting the network bandwidth configuration setting if appropriate.

Abstract: A switch having a first communications interface to receive a stream of data units, a buffer to store the payload portion of the data unit, a replicator to duplicate at least the payload portion of the data unit, and a second communications interface to enable access to the stream of data units by two or more terminals.

Abstract: Access to content may be enabled by receiving an instruction indicating a client request to access content, accessing a list of content sources capable of rendering the content for which access is requested by the client, determining a performance metric for at least two of the content sources, and selecting among the content sources based on the performance metric to identify a content source to be accessed by the client.

Abstract: An initialization vector (IV) is employed to decrypt a block of a stream that has been encrypted with Cypher Block Chaining (CBC) encryption, without requiring decryption of previous blocks within the stream. For example, a listener who accesses a distribution point to retrieve encrypted content authenticates himself to an application server that regulates access to encrypted content on the distribution point, and responsively receives a key. The listener then requests access to a reference point within the encrypted content stream somewhere after its beginning (e.g., using preview clips). The distribution point relates the reference point to a corresponding block of the encrypted stream, and identifies an IV previously used for encryption of that block. The distribution point provides the associated encrypted block of content and the IV to the listener to enable mid-stream rendering of the encrypted content, without requiring the listener to decrypt previous blocks within the encrypted stream.

Abstract: A client may be configured to access a network by identifying a network bandwidth configuration setting to be used by the client in accessing a networked content source, enabling the client to access the content source using the network bandwidth configuration setting, monitoring client access to the content source, comparing client access metrics to metrics associated with the network bandwidth configuration setting, determining, based on the comparison, whether to adjust the network bandwidth configuration settings for the client, and adjusting the network bandwidth configuration setting if appropriate.