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| 20100106695 | SCALABLE BLOB STORAGE INTEGRATED WITH SCALABLE STRUCTURED STORAGE - Embodiments of the present invention relate to systems, methods and computer storage media for facilitating the structured storage of binary large objects (Blobs) to be accessed by an application program being executed by a computing device. Generally, the structured storage of Blobs includes a primary structured storage index for indexing Blobs, a secondary hash index that is integrated into the structured storage system, a Blob log stream, and a Blob data stream for storing blocks that include the Blob data. In an embodiment, a block is created and written to a Blob store along with a block list. The block list facilitates the locating of one or more blocks that store the Blob data. In this embodiment, a primary structured storage index and a secondary hash index are updated to facilitate efficient access of the Blob in a structured storage system. | 04-29-2010 |
| 20100106734 | BLOB MANIPULATION IN AN INTEGRATED STRUCTURED STORAGE SYSTEM - Embodiments of the present invention relate to systems, methods and computer storage media for facilitating the structured storage of binary large objects (Blobs) to be accessed by an application program being executed by a computing device. Generally, the manipulation of Blobs in a structured storage system includes receiving a request for a Blob, which may be located by way of a Blob pointer. The Blob pointer allows for the data, such as properties, of the Blob to be identified and located. Expired properties are garbage collected as a manipulation of the Blob data within a structured storage system. In an embodiment, the Blob is identified by a key that is utilized within a primary structured index to located the requested Blob. In another embodiment, the requested Blob is located utilizing a secondary hash index. In an additional embodiment, the Blob is locate utilizing a file table. | 04-29-2010 |
| 20100106934 | PARTITION MANAGEMENT IN A PARTITIONED, SCALABLE, AND AVAILABLE STRUCTURED STORAGE - Partition management for a scalable, structured storage system is provided. The storage system provides storage represented by one or more tables, each of which includes rows that represent data entities. A table is partitioned into a number of partitions, each partition including a contiguous range of rows. The partitions are served by table servers and managed by a table master. Load distribution information for the table servers and partitions is tracked, and the table master determines to split and/or merge partitions based on the load distribution information. | 04-29-2010 |
| 20100114848 | ATOMIC MULITPLE MODIFICATION OF DATA IN A DISTRIBUTED STORAGE SYSTEM - Atomic multiple modifications of streams is provided. Streams are selected for the application of an atomic multiple modification. A lock is acquired on the meta-data associated with the streams. Each stream is de-coupled from its name. Multiple modifications are applied to the selected streams. After performing the modifications, names are coupled to the streams. The lock on the meta-data associated with each stream is released. | 05-06-2010 |
| 20100312809 | GEOGRAPHIC CO-LOCATION SERVICE FOR CLOUD COMPUTING - Embodiments of the present invention relate to systems, methods, and computer storage media for geographically organizing the storage of data and hosted services in a distributed computing environment. An allocation constraint is utilized to identify and select a geo-region in which an affinity group that is comprised of a hosted service and/or data is to be physically stored. Additionally, a geo-domain within the geo-region is identified for hosting the hosted service and/or data of the affinity group. A stamp, such as a storage stamp or a computation stamp, is identified on the geo-domain for storing the hosted service and/or the data. The hosted service is stored in an identified computation stamp and the data is stored in an identified storage stamp. In an additional exemplary embodiment, the identification of a geo-domain involves analyzing resource information related to potential geo-domains within a geo-region. | 12-09-2010 |
| 20110099266 | Maintaining Service Performance During a Cloud Upgrade - Systems, methods, and computer storage media for upgrading a domain in a distributed computing environment are provided. Upgrading of the domain includes preparing for the upgrade, upgrading, and finalizing the upgrade. The preparation of the domain includes ensuring predefined quantities of role instances are available in domains other than the upgrade domain. The preparation also includes ensuring that a predefined number of extent replicas are available in domains other than the upgrade domain. The preparation may also include checkpointing partitions within the upgrade domain to facilitate faster loading once transferred to a domain other than the upgrade domain. The finalization may include allowing nodes within the upgrade domain to resume functionality that was suspended during the upgrade. | 04-28-2011 |
| 20110119668 | MANAGING VIRTUAL HARD DRIVES AS BLOBS - Cloud computing platforms having computer-readable media that perform methods to manage virtual hard drives as blobs are provided. The cloud computing platform includes fabric computers and blob stores. The fabric computers execute virtual machines that implement one or more applications that access virtual hard drives. The data in the virtual hard drives is accessed, via a blob interface, from blobs in the blob stores. The blob stores interface with a driver that translates some application input/output (I/O) requests destined to the virtual hard drives to blob commands when accessing data in the virtual hard drives. | 05-19-2011 |
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| 20090132727 | SYSTEM FOR CONNECTING DIFFERENT COMPONENTS, NETWORK FORWARDING COMPONENT AND INDEPENDENT APPLICATION COMPONENT - The present invention discloses a system for connecting different components, a Network Forwarding Component NFC and an Independent Application Component IAC. The NFC includes: a data forwarding unit, a processor, a data interface on the NFC side, a management interface on the NFC side and a status information interface on the NFC side. The IAC includes: a processor, a data interface on the IAC side, a management interface on the IAC side and a status information interface on the IAC side. The present invention makes it possible to perform information interaction between the NFC and the IAC integrated in one network device through the configured interfaces. | 05-21-2009 |
| 20090262643 | METHOD FOR IMPLEMENTING INTERSECTING RING NETWORK WITH ARBITRARY TOPOLOGY, NODE AND INTERSECTING RING NETWORK - The present invention discloses a method for implementing an intersecting ring network with arbitrary topology, node and an intersecting ring network. The method includes: intersecting multiple Ethernet rings to form the intersecting ring network with arbitrary topology, each Ethernet ring in the intersecting ring network comprising a master node and multiple transmission nodes; the master node of each Ethernet ring opening its primary port and blocking its secondary port during initial normal operation; and the master node of each Ethernet ring in the intersecting ring network performing fault detection and fault processing as well as fault recovery detection and fault recovery processing by using one of the two manners containing protocol message interaction and detection on links directly connected to the master node. | 10-22-2009 |
| 20090290486 | Ring Network Routing Method and Ring Network Node - The present invention discloses a method for routing in a ring network, the ring network comprising multiple connected nodes, wherein, the method includes: each node in the ring network acquiring topology information of the ring network, obtaining under-ring routings learnt by the other nodes from a under-ring network, calculating a main path and a backup path to each routing according to the acquired topology information of the ring network, creating an FRR switch table, and switching between the main path and the backup path according to the FRR switch table when a failure occurs in the ring network. Accordingly, the present invention also provides a node in the ring network. Adopting technical scheme provided by the present invention, a simple routing implementation for ring network and fast convergence when a failure occurs can be provided. | 11-26-2009 |
| 20100011139 | NETWORK APPARATUS AND METHOD FOR COMMUNICATION BETWEEN DIFFERENT COMPONENTS - The present invention discloses a method for communication among different components, including integrating a Network Forwarding Component (NFC) for forwarding messages and at least one Independent Application Component (IAC) for performing other service processing into one network device; setting at least one cooperation mode in the NFC and each of the at least one IAC; and communicating with each other, by the NFC and the at least one IAC, according to the at least one cooperation mode. The cooperation mode may be any or any combination of a host mode, a mirror mode, a redirection mode and a pass-through mode. According to the present invention, the NFC and the IAC may communicate according to the cooperation mode so as to ensure that the NFC and the IAC can cooperate to provide various service capabilities including message forwarding and other additional service capabilities. | 01-14-2010 |
| 20100132028 | METHOD FOR IMPLEMENTING SECURITY-RELATED PROCESSING ON PACKET AND NETWORK SECURITY DEVICE - Embodiments of the present invention provide method for implementing security-related processing on packet and a network security device. Through establishing a relationship between stream attribute information of an initial packet of a stream and security-related processing information implemented on the initial packet, when a succeeding packet of the stream is received, the previously stored relationship is acquired according to stream attribute information of the succeeding packet, the security-related processing is implemented on the succeeding packet according to the security-related processing information in the relationship. Therefore, according to the method for implementing security-related processing on packet and the network security device provided by the present invention, the process of searching for security information entries for succeeding packets of a stream is not required, the security-related processing procedure of the packet is thus accelerated, and the packet processing efficiency is improved. | 05-27-2010 |
| 20100195647 | METHOD AND APPARATUS FOR PACKET PROCESSING - The present invention discloses a packet processing apparatus and method. The packet processing apparatus is applied to an L4˜L7 network device, including a plurality of interface processing units and a plurality of service processing units, the interface processing units are connected with the service processing units through a first connection unit; and each of the interface processing units is adapted to select, after receiving a packet from outside, a service processing unit from all the service processing units and transmit the packet to the selected service processing unit; and each of the service processing units is adapted to perform service processing to the packet after receiving the packet. The present invention improves packet processing capability and reliability of the L4˜L7 network device. | 08-05-2010 |
