Browse Definitions:
Definition

pathing (path control)

Pathing (sometimes called path control ) is a networking approach used to address the specific needs of storage networks (as compared to ordinary message networks) by changing the way that communication paths are managed and organized. Connection failures in message networks generally just mean that the connection must be retried; in storage networks, however, a failure is more likely to cause a system crash . Also, the margin for error is smaller for storage networks; whereas error recovery within minutes is acceptable for message networks, for storage networks it should be within seconds - and preferably milliseconds. Because of these differences, storage network routing must include redundant, well-defined paths, enable fast path changes, and have the altered topology information updated rapidly.

According to Marc Farley, author of Building Storage Networks , node routing provides more precise connection control than is afforded by switch es and routers. Message networks typically have a very large number of node s, any of which may have to connect to any other and connection requests are randomly designated. As a consequence, it is considered that routing activities would overload end nodes. In comparison, storage networks have fewer nodes and fewer connections, and connection requests are specifically assigned. In these conditions, it is possible for nodes to manage paths.

Pathing is among the most promising technologies behind the expansion of the storage market - which is projected by Adam Couture, senior analyst at Gartner Dataquest, to grow to $7 billion by 2003, up from $10 million in 1999. Storage area networks ( SAN s) and network attached storage ( NAS ) have arisen as solutions to the rapidly increasing need for storage of enterprise data. Originally, enterprise computers and storage devices had one-to-one relationships, not a practical arrangement for multi-user environments with complex data-sharing needs. SANs allow multiple computers to share a single storage device, with technologies like path control, mirroring, and virtualization used to meet the enterprise's needs for reliability and constant data availability.

This was last updated in March 2011

Continue Reading About pathing (path control)

Start the conversation

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

-ADS BY GOOGLE

File Extensions and File Formats

Powered by:

SearchCompliance

  • PCAOB (Public Company Accounting Oversight Board)

    The Public Company Accounting Oversight Board (PCAOB) is a Congressionally-established nonprofit that assesses audits of public ...

  • cyborg anthropologist

    A cyborg anthropologist is an individual who studies the interaction between humans and technology, observing how technology can ...

  • RegTech

    RegTech, or regulatory technology, is a term used to describe technology that is used to help streamline the process of ...

SearchSecurity

  • Advanced Encryption Standard (AES)

    The Advanced Encryption Standard, or AES, is a symmetric block cipher used by the U.S. government to protect classified ...

  • identity theft

    Identity theft, also known as identity fraud, is a crime in which an imposter obtains key pieces of personally identifiable ...

  • spear phishing

    Spear phishing is an email-spoofing attack that targets a specific organization or individual, seeking unauthorized access to ...

SearchHealthIT

SearchDisasterRecovery

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

  • mass notification system (MNS)

    A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.

  • disaster recovery as a service (DRaaS)

    One approach to a strong disaster recovery plan is DRaaS, where companies offload data replication and restoration ...

SearchStorage

  • CIFS (Common Internet File System)

    CIFS (Common Internet File System) is a protocol that gained popularity around the year 2000, as vendors worked to establish an ...

  • GlusterFS (Gluster File System)

    GlusterFS (Gluster File System) is an open source distributed file system that can scale out in building-block fashion to store ...

  • virtual memory

    Virtual memory is a memory management capability of an OS that allows a computer to compensate for physical memory shortages by ...

SearchSolidStateStorage

  • Tier 0

    Tier 0 (tier zero) is a level of data storage that is faster, and perhaps more expensive, than any other level in the storage ...

  • PCIe SSD (PCIe solid-state drive)

    A PCIe SSD (PCIe solid-state drive) is a high-speed expansion card that attaches a computer to its peripherals.

  • SSD caching

    SSD caching, also known as flash caching, is the temporary storage of data on NAND flash memory chips in a solid-state drive so ...

SearchCloudStorage

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...

  • Zadara VPSA and ZIOS

    Zadara Storage provides block, file or object storage with varying levels of compute and capacity through its ZIOS and VPSA ...

Close