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Enable service quality middleware for MPEG Video Streams

Enable service quality middleware for MPEG Video Streams (1) Introduction Online Video Stream services have become very popular on the Internet in recent years. Video Streams are a type of concurrent processing. They send video images from the server to the client over the network and are played by the client video player. The online video stream service system is an online, strict real-time multi-user system. It cannot be controlled in open networks (such as the Internet), and its performan

Using Epon to realize Telecom-grade FTTH scheme

At present, FTTH as a new hotspot technology in the field of broadband access has attracted the attention of operators, among which Epon technology has many advantages such as high maturity and low cost, and becomes the preferred scheme for FTTH. Epon is an important part of IEEE 802.3ah workgroup (ie EFM, First mile Ethernet), the main idea is to apply Ethernet technology on the PON network structure, which makes epon can directly inherit the low cost of widely used Ethernet technology and many

What is MSTP

the focus of telecom operators, at present, there are a wide range of metropolitan area Network technology, which includes metropolitan area network based on SDH structure, metropolitan area network based on Ethernet structure, metropolitan area network based on ATM structure and metropolitan area network based on DWDM structure. In fact, SDH, ATM, Ethernet, WDM and other technologies are constantly absorbing the strengths of other technologies, each other, that is, to achieve rapid transmissio

Analyzing the breakthrough of edge switches in intelligence

As an inbound or outbound QoS site, edge switches play a very important role, especially in small and medium enterprises, if the edge devices of the network integrate QoS, rate limit, ACL, PBR, and sFlow into the hardware chip, the Intelligence will not affect the line rate forwarding performance of the basic layer 2 and Layer 3, therefore, the end-to-end smart network can be carried out on a large scale, s

SPOH technology will trigger the Ethernet switch revolution

Ethernet switches are still commonly used. So I studied whether SPOH technology has triggered the Ethernet switch revolution. I would like to share it with you here, hoping it will be useful to you. The rapidly expanding "Network Society" poses severe challenges to Ethernet switches serving as data processing centers. First, in the face of overload data transmission, the smooth operation of network services requires end-to-end service quality assurance. In network data transmission, the data siz

Advanced embedded power management based on open source software

-free business models. In addition to further optimizing the performance, compressing the size, and improving the reliability of the Linux technology in consumer electronic products, building a sound and elastic power management system has become an increasingly important project and requirement, it will also become an important tool for Linux to replace traditional RTOS, WinCE/mobile, and Symbian, and occupy the leading position of the open-source software (OS) of consumer electronics. Linux po

Core Architecture blocks (Core Architecture module) (2)

Corearchitecture Blocks Channel Manager The channel manager isresponsible for creating, managing, and destroying L2CAP channels for thetransport of service protocols and application data streams. the channelmanager uses The L2CAP protocol to interact with a channel manager on a remote (PEER) DeviceTo create these L2CAP channels and connect their endpoints to theappropriate entities. the channel manager interacts with its local link managerto create new logical links (if necessary) and to configu

Sndcp log analysis of a communication company

9 SN_UNITDATA_REQ 3 11 SN_UNITDATA_REQ 4 1 GMM Mobility Management 7 Short Message Figure 2 Relationship between top and bottom layers of sndcp Figure 3. LLC hosts upper-layer data 3. Logical Structure of sndcp Logical Structure of sndcp 3. The network side has a pair of wait logic entities, the upper layer is TCP/UDP and other application layer protocols, and the lower layer is the LLC protocol; Figure 4 logical structure

[Reading Notes] research on the selection of service-related composite services (CJC)

Ye Shiyang (University of Science and Technology of China) Wei Jun Li Lei HUANG Tao. Research on the Method of Service Association Selection in composite services. Journal of computer science, 2008, (08) Service-correlation aware service selection for composite service This is a paper on the "service computing" album of the Computer journal. The problems to be solved in this article are clear:WS are not independent. The choice of one ws will affect the

My research orientation on Web Services

ArticleDirectory 1. QoS-Aware Web service composition 2. Web service composition management and evaluation 3. Web service trust and reputation 4. reliability modeling of Web service composition 5. Fault Tolerance of Web service composition 6. BPEL enhancement: QoS support and adaption 7. Formal method-based (e.g. Petri net) service composition modeling and Verification 8. Web servi

A brief introduction to the Citrix ICA protocol

.png"/>These renamed functional modules are primarily provided for desktop virtualization use. In the XenDesktop4.0 version, Citrix extracted the functional modules that were differentiated from the original ICA protocol, packaged in HDX, and named HDX, the high-definition user experience.Fusion eraIn the latest version of Citrix Products, Citrix integrates XenApp and XenDesktop to integrate the IMA architecture of the original XenApp and XenDesktop 4.0 into the new version of the FMA architectu

Modify system configuration: Make WinXP no longer use more slowly

I start the system, the idle system resources are less than one point. Click Start> Run and enter: "regsvr32/u zipfldr. dll "in the middle of double quotation marks, and then press enter to confirm the success. A Prompt window appears, with the content roughly zipfldr. dll UnrgisterServer succeeded. 5. It is said that Qos is a system service of XP, and this scheduling takes up a certain amount of network bandwidth, which cannot be tolerated by people

Cisco 8400 series route switch features

achieve the highest efficiency and reduce costs. As a pioneer in Internet and IP network infrastructure, a leading company in the fields of ATM, frame relay, communication information management, and Quality of Service (QoS), Cisco is the only company capable of building an intelligent multi-service network, it gives enterprises great flexibility to adapt to the changing business and needs.Core of Cisco IGX 8400 series Enterprise Wide Area Network Th

Routing DHCP settings for classic instances

vlan2 and vlan3. 2) on the two lan ports eth1/1 and eth1/2 of Huawei router 1821, two VLANs (vlan2 and vlan3) are divided ). 3) Configure nat and apply it to two different logical sub-interfaces, eth1/0.1 and eth1/0.2. 4) Configure dhcp on two different logical sub-interfaces, eth1/0.1 and eth1/0.2, and apply dhcp on two vlan networks on the same physical interface to allocate two different network segments. 5) because the lan port of the router is a layer-2 port,

Using FEC to improve UDP (RTP) audio and video transmission effects

up, the project urgently needed a anti-loss packet, anti-Chaos enhanced UDP scheme to enhance the real-time audio and video transmission effect, after years of accumulation and improvement, we have introduced a set of RTP-based and FEC forward error correction and back-end QoS processing of a complete solution, the effect is very obvious. armed RTP using Fec\qos For packet loss, we use the improved Vander

Main router firmware dd-wrt, tomato, openwrt contrast introduction

before, often in the subsequent update of the Central Plains full state of resurrection, really let people spray blood, most people vomit disease, is a weak QoS function, ddwrt QoS function can only say better than nothing. Feature words to be quite a bit, PPTP OpenVPN QoS Access control MAC filtering and so on functions are very used, but also can adjust the of

Open source Mqtt Agent: Mosquitto

broker and supports MQTTv3.1 to support client-side validation. The Mosquitto includes the server and the client. The Mosquitto_pub client can publish a message to the specified topic:Usage:Mosquitto_pub [-d] [-h hostname] [-I client_id] [-I client ID prefix] [-p port number] [-Q message QoS] [–quiet] [-r] {-F File | -L | -M message | -N | -S} [-u username [-p password]] [–will-topic topic [–will-payload Payload] [–will-

Ciscocommittedaccessrate (CAR) promised access rate

I. CAR overview CAR is the most widely used method in the Cisco environment. It marks data packets at the network edge Entry and Exit. CAR can implement one of the two functions. Function 1: speed limit; function 2: sets classified data packets by using IP priority and QOS groups; 2. Syntax: rate-limit {input | output} [access-group [ra I. CAR overview CAR is the most widely used method in the Cisco environment. It marks data packets at the network ed

How to balance the intelligence and performance of edge switch devices

Edge Switch Equipment plays a very important role in networking. How can we balance the intelligence and performance of edge Switch Equipment? If the edge switch device of the network integrates QoS, rate limit, ACL, PBR, and sFlow into the hardware chip, the Intelligence will not affect the line rate forwarding performance of the basic layer 2 and Layer 3, Therefore, the end-to-end smart network can be carried out on a large scale, so that the entire

Another smart switch-edge Switch

In addition to connecting to the same type of network, edge switches can also interconnect different types of networks, such as Ethernet and Fast Ethernet. I hope this article will help you. With the development of the communication industry, people have higher requirements for intelligence. As a representative of smart exchange devices, edge switches are gradually increasing in market demand. If the edge devices of the network integrate QoS, rate lim

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