Cisco Systems 8xDMT manual Pseudonym for G.992.1

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Octal-Port DMT ATU-C Line Card

Glossary

DDTS

digital signal level 3

Distributed Defect Tracking System

DS3

DSLAM

Cisco Distributed Defect Tracking System.

See DS3.

See DDTS.

digital signal level 3. Framing specification used for transmitting digital signals at 44.736 Mbps on a T3 facility.

Digital Subscriber Line Access Multiplexer. Concentrates and multiplexes digital subscriber line signals at the telephone service provider location to the broadband wide area network.

Replaces ADSLAM.

F

frame

A packet as it is transmitted over a serial line. The term derives from character oriented protocols

 

where special start-of-frame and end-of-frame characters were added when transmitting packets.

FTP

File Transfer Protocol. The Internet protocol (and program) used to transfer files between hosts.

G

G.992.2

G.994.1

The ITU standard for line coding and framing for splitterless, reduced spectrum ADSL. Also known as G.lite.

The ITU standard for signalling, identification, and negotiation between broadband systems; an integral part of G.dmt and G.lite. Also known as G.hs.

G.997.1

The ITU standard for performance monitoring on DMT access technologies.

G.dmt

Pseudonym for G.992.1.

G.hs

Pseudonym for G.994.1. HandShake (hs)

G.lite

Pseudonym for G.992.2

H

Handshake

Part of the procedure to set up a data communications link. The handshake can be part of the protocol itself or an introductory process. The computers wishing to talk to each other set out the conditions they can operate under. Sometimes, the handshake is just a warning that a communication is imminent.

I

IP

Internet Protocol. The network layer protocol for the Internet Protocol suite.

Cisco IOS Release 12.1(6)DA

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Contents Feature Overview Octal-Port DMT ATU-C Line CardHs Support ITU G.994.1 Bit SwappingFast or Interleaved Path Selection Trellis EncodingMinrate-blocking Dmt rate-adaptation Hardware Documents Software DocumentsDSLAMs Supported PlatformsNumber of Available 8xDMT Chassis Slots Supported Standards, MIBs, and RFCs StandardsStandard Mibs Cisco-Derived MibsCommand Purpose Configuration TasksPrerequisites Enter DSL profile configuration mode Upstream on the fast path. Automatically configuresSelect the profile that you want to attach to Selected port. The profile name 8xDMT is used asMonitoring and Maintaining the 8xDMT Line Card Configuration Examples Current configuration 7019 bytesCommand Reference Alarms AlarmsSyntax Description Defaults Command Modes Command History Release ModificationCommand Description ExamplesCommand Modes Command History Dmt bitratePath Aggregate Configuration Data Range Default Those port settingsDownstream Upstream Path KbpsYou, use the dmt bitrate command to reduce the bit rate Dmt check-bytesValues for the connection Downstream and 6 upstreamRelated Commands None Dmt margin downstream dmt-marginupstream dmt-margin Dmt marginReleaseModification Syntax Description Defaults Command Modes Command History Release ModificationIOS 12.16DA This command was introduced Dmt minrate-blockingDmt overhead-framing Defaults Command Modes Command History Usage GuidelinesSyntax Description T1.413 and G992.1 G992.2 Framing Mode Downstream Upstream Related Commands DescriptionDmt rate-adaptation enable Adaptation, use the no form of the commandDmt rate-adaptation enable This command has no arguments or keywordsDefaults Command Modes Command History Dmt rate-adaptation intervalUpstream monitoring interval is 20 seconds Dmt rate-adaptation margin min downstream dB upstream dB Dmt rate-adaptation marginMin None Global configuration SlotUsage Guidelines Examples Glossary Pseudonym for G.992.1 Loss Of Delay Synchronization Problem is foundLoss of signal Loss of Cell DelineationProviding reliable, connection-oriented full-duplex streams LAN. Has no password securityRemote host and act as normal terminal users of that host VCI VPI

8xDMT specifications

Cisco Systems’ 8xDMT, or "Eightfold Digital Multicast Technology," is a pioneering solution designed to optimize multicast traffic management and enhance the scalability of network performance. This technology comes into play primarily in video broadcasting, online gaming, and other applications that require the efficient distribution of data to multiple endpoints, significantly reducing the bandwidth use while improving overall network efficiency.

One of the primary features of Cisco 8xDMT is its ability to support multiple multicast streams concurrently. By using advanced algorithms, 8xDMT ensures that network resources are utilized efficiently, minimizing latency and maximizing throughput. This makes it particularly advantageous for service providers and organizations that deliver high-definition video content or require real-time data transmission across geographic locations.

Another notable characteristic of the Cisco 8xDMT is its integrated Quality of Service (QoS) capabilities. This feature allows for the prioritization of multicast traffic, ensuring that critical data packets are transmitted smoothly without delay, even during peak load times. The QoS management allows administrators to configure settings that guarantee minimal disruptions, providing end users with a seamless viewing or gameplay experience.

Additionally, Cisco 8xDMT takes advantage of Multicast Domain Name System (mDNS), which allows devices on the same network to discover and communicate efficiently. This not only aids in reducing the network load but also simplifies the management of multicast addresses, making it easier for organizations to scale their operations without significant overhead.

The technology also incorporates robust security features, including support for secure multicast transmissions. This ensures that sensitive data remains protected during distribution, addressing the increasing need for security in an era where cyber threats are prevalent.

Furthermore, Cisco Systems emphasizes interoperability with its 8xDMT platform, ensuring easy integration with existing network infrastructure. This is crucial for enterprises looking to modernize their systems without the need for extensive reinvestment in new hardware.

In conclusion, Cisco Systems’ 8xDMT stands out as a versatile and high-performance multicast solution designed to meet modern networking demands. With its ability to manage multiple streams, enforce QoS, simplify multicast management, and secure communications, it holds significant potential for transforming how organizations distribute data efficiently and effectively.
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