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Regional Metro wide area three-way Attack The 10-Gigabit Ethernet technology breaks the limits of Traditional Ethernet short-range transmission. In addition to lan and campus networks, it can also be easily applied in the city or even wide area to build a high-performance network core. Broadband IP MAN The 10-Gigabit Ethernet device can provide high-density 10-Gigabit Ethernet interfaces to provide service providers and enterprise users with man and WAN connections. 10G Ethernet can transmit u

rapid development of the Internet and the explosive growth of Internet data traffic, it is urgent to expand the network capacity in terms of network connections. Synced optical fiber network (SONET) is unable to withstand the huge traffic volume of the Internet. Dense Wavelength Division Multiplexing (DWDM) technology emerged, and backbone networks will enter the era of all-optical networks in the future. Because the bandwidth of the whole optical ne

huge optical/electrical/optical conversion workloads and equipment, improving the overall network switching speed, reducing costs and improving reliability. In an ideal all-optical network, all functions such as signal switching, routing, transmission, and recovery are carried out in the form of light. Currently, all-optical networks are not all optical networks, but optical information flows exist in the form of light in the transmission and switching process, and are controlled using circuit

DWDM. Considering the bandwidth granularity and cost, SDH will be transferred to the network edge, and more SDH access devices will be required for access networks. SDH is still the transport network technology with the highest reliability and survivability in the near future. IETF and IEEE 802.17 have released and will soon launch standards, laying a solid foundation for efficient and reliable IP Address Transmission on SDH. The SDH/SONET-Based Mult

silicon optoelectronic technology and has become the driving force for the rapid development of optical networks. Since the middle of 1980s, silicon substrates and their processing technologies have matured. Because silicon has many physical properties that people desire, such as its stable refractive index and easy to control, on a silicon wafer, passive devices can be integrated with lasers and sensors on the support frame. The optical integration circuit manufactured by SioB technology has s

optical network, automatically establish optical connection, shorten the specified service time, speed up the fault response time, establish level services, and develop new value-added services on this basis, is the development goal of the optical fiber access network. As DWDM gradually advances to the edge of the network, one day, the optical fiber access network will gradually adopt optical plug-and-play multiplexing devices (OADM) with uplink and

transmission networks, it seriously affects the service allocation time, the response time to network business models and faults, and increases the operation overhead, however, it does not take full advantage of the optical multiplexing technology. Automatically reconfigure the optical network, automatically establish optical connection, shorten the specified service time, speed up the fault response time, establish level services, and develop new value-added services on this basis, it is the d

as DWDM---Data mining (minning)OLAP---Online analytical processing, English name on-line Analysis processing, abbreviated to OLAPOLTP---on-line Transaction processing online transaction processing system (OLTP) SQL Server BI:SQL Server Enterprise Edition comes with three services: SQL Server Integration Service, SQL Server Analysis Service,sql Server Reporting service. These three services are for BI services, can be used alone, and can be used toget

Soft Test Information System Supervisor: April 8, 2016 homeworkI. Organization and COORDINATION1. What is the basic principle of organization and coordination (note)?2. What is the principle of science?3. What are the supervision methods of organization and coordination?3. What is the key to the success of the Conference? Remember4. What are the measures to ensure the success of the meeting? Please describe the specific measures before, during and after the meeting.5. Who should organize the min

real-time billing;4) Support VPN and firewall, can effectively guarantee the network security;5) Support MPLS, with certain service quality assurance, provide sub-level QoS Network service;6) Easy, fast and flexible use of user and business extensions.Because optical Ethernet is the product of the combination of Ethernet and DWDM technology, it has obvious advantages in the operation of broadband metropolitan area network.The technical advantages of

optical transceiver, the connector end optical fiber is designed for dual-core (with an interval of 0.75mm) arrangement and is the next generation high-density optical connector mainly used for data transmission. (8) MU Connector The MU connector is the world's smallest single-core optical fiber connector developed by NTT based on the currently most widely used SC connector. It adopts a 25mm diameter casing and self-retaining mechanism, its advantage lies in its ability to achieve high-density

, Japan Telecom, and France Telecom, are evolving their wireless access networks from distributed to centralized base stations to maximise their capex and opex investments while improving spectral efficiency. The centralized ran architecture reduces capex by reducing the cost of the base station and improving the utilization of the baseband. Opex reduction is achieved by reducing power consumption, site leasing, and maintenance costs. However, centralized baseband processing requires a large-cap

a gateway control protocol jointly promoted by ITU and IETF. After resolving the complexity and poor scalability of H.323, H.248/MEGACO is widely supported by manufacturers and becomes a key media gateway control protocol for the Next Generation Network. SIGTRAN protocol signaling Transfer Protocol): SIGTRAN is the protocol that transfers circuit exchange signaling in the IP network, mainly the No. 7 signaling), through the signaling gateway SG. In our country's specifications, the signaling ga

gigabit to desktop, Gigabit Ethernet technology will be widely used in the convergence layer and backbone layer. But in the current network situation, the first application of Gigabit Ethernet will be the education industry and data center export, the backbone of the metropolitan area network. when building a metropolitan area network, if the convergence layer and even the backbone layer Unified Ethernet technology, will have equipment cost reduction, network structure concise, high scalabili

in the world's leading position, at the same time, Tyco is a 10G Ethernet standard Alliance member. 1998 Tyco designed and installed the world's first submarine optical fiber system using DWDM dense wavelength division multiplexing technology-"Tyco Global Network (TYCO)" to achieve 16*10gbps high-speed transmission, transmission distance of more than 500km, The system is currently the world's largest submarine optical fiber system, connecting the wor

The meaning of metropolitan area network originally comes from computer network. The ITU-T has so far not specifically indicated in the proposal the definition of the metropolitan Area Network in the telecommunication network. At present, the operators began to build the metropolitan area network and different from the usual meaning of the metropolitan area network. For example, the metropolitan area network defined by China Mobile means: The network covering the city and its suburbs and provid

education systemChina's earliest establishment of the Internet, network nodes rely on the country's thousands of institutions of higher learning, the entire network of users as high as 8 million, with the richest domestic education, scientific research, academia and its related commercial entertainment resources, at the same time have an independent international exports, visit foreign sites relatively fast.The cncnet of China NetcomChina Netcom is an emerging telecommunications operator, commi

When the optical network technology such as DWDM and frequency division switch rapidly increases the network capacity, the bandwidth becomes abundant. However, how to make better use of bandwidth, how to the application of the Internet, content, and not just signal, data frame management, become the focus of service provider. Because in the case of sufficient bandwidth, the network layer will no longer be the main problem, improve the network service

Summary Optical switch is an important optical passive device, which can break and switch the light signal in optical network system. Optical switches are widely used in optical division/interpolation Multiplexing (OADM), Time Division Multiplexing (TDM), Wavelength Division multiplexing (WDM). Optical switch has become the focus of major communication companies and research units for its high speed, high stability and low crosstalk. Optical switch has a broad market prospects, is one of the mo

telecommunications network With the increasing popularity of gigabit to desktop, Gigabit Ethernet technology will be widely used in the convergence layer and backbone layer. But in the current network situation, the first application of Gigabit Ethernet will be the education industry and data center export, the backbone of the metropolitan area network. When building a metropolitan area network, if the convergence layer and even the backbone layer Unified Ethernet technology, will have equipm