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  2. Upstream (networking) - Wikipedia

    en.wikipedia.org/wiki/Upstream_(networking)

    Symmetric connections such as Symmetric Digital Subscriber Line (SDSL) and T1, however, offer identical upstream and downstream rates. If a node A on the Internet is closer (fewer hops away) to the Internet backbone than a node B, then A is said to be upstream of B or conversely, B is downstream of A. Related to this is the idea of upstream ...

  3. G.992.5 Annex M - Wikipedia

    en.wikipedia.org/wiki/G.992.5_Annex_M

    This specification extends the capability of commonly deployed Annex A by more than doubling the number of upstream bits. The data rates can be as high as 12 or 24 Mbit/s downstream and 3 Mbit/s upstream depending on the distance from the DSLAM to the customer's premises. [1] [2] Frequency plan for common ADSL standards and annexes.

  4. Upstream server - Wikipedia

    en.wikipedia.org/wiki/Upstream_server

    In computer networking, upstream server refers to a server that provides service to another server. In other words, upstream server is a server that is located higher in a hierarchy of servers. The highest server in the hierarchy is sometimes called the origin server —the application server on which a given resource resides or is to be ...

  5. G.992.1 - Wikipedia

    en.wikipedia.org/wiki/G.992.1

    If bit swapping is disabled then this does not happen and the modem needs to retrain in order to adapt to changing line conditions. There are 2 competing standards for DMT ADSL - ANSI and G.dmt; ANSI T1.413 is a North American standard, G.992.1 (G.dmt) is an ITU (United Nations Telecom committee) standard.

  6. Digital subscriber line - Wikipedia

    en.wikipedia.org/wiki/Digital_subscriber_line

    In telecommunications marketing, the term DSL is widely understood to mean asymmetric digital subscriber line (ADSL), the most commonly installed DSL technology, for Internet access. In ADSL, the data throughput in the upstream direction (the direction to the service provider) is lower, hence the designation of asymmetric service.

  7. ADSL - Wikipedia

    en.wikipedia.org/wiki/ADSL

    The telephone exchange can indicate a suggested SNR margin to the customer's DSL modem when it initially connects, and the modem may make its bits-per-bin allocation plan accordingly. A high SNR margin will mean a reduced maximum throughput, but greater reliability and stability of the connection.

  8. Router (computing) - Wikipedia

    en.wikipedia.org/wiki/Router_(computing)

    Control plane: A router maintains a routing table that lists which route should be used to forward a data packet, and through which physical interface connection. It does this using internal pre-configured directives, called static routes, or by learning routes dynamically using a routing protocol. Static and dynamic routes are stored in the ...

  9. Network throughput - Wikipedia

    en.wikipedia.org/wiki/Network_throughput

    It is typically measured at a reference point below the network layer and above the physical layer. The simplest definition is the number of bits per second that are physically delivered. A typical example where this definition is practiced is an Ethernet network. In this case, the maximum throughput is the gross bit rate or raw bit rate.

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