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DOCSIS employs a mixture of deterministic access methods for upstream transmissions, specifically time-division multiple access (TDMA) for DOCSIS 1.0/1.1 and both TDMA and S-CDMA for DOCSIS 2.0 and 3.0, with a limited use of contention for bandwidth reservation requests. In TDMA, a cable modem requests a time to transmit and the CMTS grants it ...
The maximum goodput (for example, the file transfer rate) may be even lower due to higher layer protocol overhead and data packet retransmissions caused by line noise or interference such as crosstalk, or lost packets in congested intermediate network nodes. All protocols lose something, and the more robust ones that deal resiliently with very ...
Data Over Cable Service Interface Specification Provisioning of Ethernet Passive Optical Network, or DPoE, is a set of CableLabs specifications that implement the DOCSIS service layer interface on existing Ethernet PON (EPON, GEPON or 10G-EPON) media access control (MAC) and physical layer (PHY) standards. In short it implements the DOCSIS ...
Ethernet 4 Gigabit b/g/n ac 2.4 5.0 450 (n) 1300 (ac) 2 Type C 1 2 0 7.17 Supports G.fast for VDSL speeds up to 1 Gbit/s; features an additional Ethernet port for WAN connection Model WAN type WAN port LAN ports Standard Standard [note 2] Band (GHz) Max. data rate (Mbit/s) Ports Standard 3G/4G modem support FXO ports FXS ports ISDN, S 0 DECT ...
This is generally a local area network (LAN) technology with some wide area network (WAN) applications. Physical connections are made between nodes and/or infrastructure devices (hubs, switches, routers) by various types of copper or fiber cable. 802.3 is a technology that supports the IEEE 802.1 network architecture.
The industry has made a concerted effort to resolve the limitations of Ethernet in the WAN described above, so as to allow the use of "native" Ethernet technologies by network providers. [ citation needed ] The key roles have been played by the Institute of Electrical and Electronics Engineers (IEEE) 802.1 and 802.3 standards committees.
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