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interconnection problem between manufacturers is solved, the softswitch classification or full-plane routing mode can be gradually introduced. 2.2 Traffic Network Design Due to the adoption of the Fast IP forwarding technology, the soft-switch route organization is flat and connectionless. QoS and security should be considered in the design of the traffic network. Currently, the IP bearer network is mainly implemented using MPLSVPN technology. To achieve communication between TG (relay gateway)

of transmission products and provides interfaces such as Ethernet over SDH and CWDM. Therefore, R8000 can use a single device to implement the functions of multiple devices, maximizing the cost of network construction and maintenance for operators. R8000 adopts the network processor-based distributed forwarding architecture and has fully programmable capabilities. It can implement flexible service generation and customization functions and provide network address translation (NAT), access contr

At present, telecom enterprises are seeking to integrate IP and optical fiber networks to develop efficient advanced services. What needs to be overcome First is the high complexity brought by IP services designed to support multi-layer voice and fixed circuit architectures, the final result is to obtain a control plane that extends the IP address of Layer 3 to the optical transport Layer of Layer 1.GMPLS universal Multi-Protocol Label exchange) the goal of this technology is to meet this demand

network function virtualization) as software. and orchestration system running on the software (so become network function virtualization), orchestration System for users and enterprise users to orchestrate network functions and network traffic, dynamic service for all types of users to achieve a variety of users and providers of various strategies. This shift in the central Office allows service providers to quickly build, deploy, and deliver new services, while significantly reducing costs an

limitations of the single box, capacity can be smooth expansion on demand. Reliability: This includes network reliability and device reliability. Network reliability depends on the physical network supported by routers, and the network has the reliability of telecommunication class for sdh/sonet and other traditional technologies. For long-distance Ethernet, there are some new technologies, such as optical Ethernet and 802.17 RPR (resilient Packet ring), But because RPR has not yet formed the

My basic skills are not solid, so I have to try classes, subclasses, inheritance, virtual, abstract, and override today. Rule 1: override a function with the same name as the parent class to use new, and override to override the function.RelatedCode:Class{Public void AAA (){}} Class B:{Public void AAA (){}}Error message: the keyword new is required on "B. AAA

[[email protected] ~]# echo a b c d |sed ' s/\w\+/[]/g ' [a] [b] [C] [d] represents the previously matched content and then adds what needs to be replaced later:[Email protected] ~]# echo "202.106.0.20" |sed ' s/202.106.0.20/dns/g ' 202.106.0.20DNSSUBSTRING matching tag \1Matches a part of a given style, the first uses \1 the second uses \2, the following is the Intercept IP and MAC address[Email protected] ~]# ifconfig eth0|sed-n ' s/^.*addr:\ (. *\). * Mask:\ (. *\) $/ip:\1 mac:\2/gp ' ip:10.0

source code, the unit of view width is pixels. /** * Return the width of the your view. * * @return The width of your view, in pixels. */ @ViewDebug.ExportedProperty(category = "layout") public final int getWidth() { return mRight - mLeft; } Write a demo and test the Code as follows: Public class mainactivity extends activity {@ overrideprotected void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); mlinearlayout root = new mlinearla

. Preparations 1. create a test database Create database testQuery 2. create a test table CREATE TABLE table1( uid VARCHAR(10) NOT NULL, name VARCHAR(10) NOT NULL, PRIMARY KEY(uid))ENGINE=INNODB DEFAULT CHARSET=UTF8;CREATE TABLE table2( oid INT NOT NULL auto_increment, uid VARCHAR(10), PRIMARY KEY(oid))ENGINE=INNODB DEFAULT CHARSET=UTF8; 3. Insert data Insert into table1 (uid, name) VALUES ('AAA', 'Mike '), ('BBB', 'Jack'

execution is like this1 from Although I did not think so, but a look is still very natural and harmonious, from where to obtain, constant filtration conditions, to choose the same or different, the order, that only know how to take the first few. That being the case, let's take a step-by-step look at the details.preparatory work1. Create a test databaseCreate DATABASE Testquery2. Create a test tableCREATE TABLE table1 ( uid varchar) NOT NULL, name VARCHAR (TEN) not NULL, PRIMARY KEY (U

2: DHCP Server(Assign addresses to the AP, and assign addresses to wireless users using Windows DHCP) (Cisco3750SW) (config) # ip dhcp pool vlan96 (Cisco3750SW) (config-dhcp) # network 172.16.22.0 255.255.255.255.0 (Cisco3750SW) (config-dhcp) # default-router 172.16.22.1 (Cisco3750SW) (config-dhcp) # option 43 ip address 100.100.6.188 (Cisco3750SW) (config-dhcp) # exit (Cisco3750SW) (config) # service dhcp 2: Cisco ACS Server ; The above is a lege

First, into the adorner 1, first of all we have such a piece of code, this code if it is a function of N business units 1 def F1 (AAA): 2 print (' I am F1 business ') 3 if AAA = = ' F1 ': 4 return ' OK ' 5 6 def f2 (AAA): 7 print (' I am F2 business ') 8 if AAA = = ' F2 ': 9 return ' OK ' Here is when

A machine (SSH connection initiator, i.e. client):Add a test user AAA The code is as follows: [Root@a ~]# Useradd AAA Su becomes AAA The code is as follows: [Root@a ~]# SU-AAA [Aaa@a ~]$ Ssh-keygen Create an RSA key pair The code is as follows:

The 10-ge core switch is still quite common. So I studied the perfect design concept of the 10-ge core switch and shared it with you here. I hope it will be useful to you. Quidway S8500 series 10-Gigabit core switches are a new generation of high-performance 10-Gigabit core route switch independently developed by Huawei 3Com, it can be widely used in the core layer of the E-government network, the core layer of the campus network and the Education Metropolitan Area Network, the core layer of the

, hardware deployment can be done even between the completion of a standardized work for a particular protocol. This is critical to accelerating new technologies like carrier-grade OpenFlow-based Sdn.4.2 Control channel: Asidua's Wanstax product lineAsidua's Wanstax product line provides customers with a complete set of control channel software, thus accelerating the development of network services.With the CFM ITU-T y.1731 Stack, the wanstax supports both OpenFlow 1.3.2 and OAM functions. Wanst

Carriers are integrating IP and optical network technologies to improve service efficiency and develop advanced services. But first, they need to overcome extremely complex multi-layer architecture. This architecture is "poorly pieced together to deliver IP services over a network designed to support voice and fixed circuits. Finally, they also need a control platform that extends from the third-layer IP address to the First-layer optical transport layer.The general Multi-Protocol Label Switchin

The core route switch is a new generation switch product. Here we mainly introduce eight main features of the core route switch, quidway S8500 series 10-Gigabit core route switch is a new generation high-performance 10-Gigabit core route switch developed by Huawei 3Com. It can be widely used in the core layer of the E-government network, the core layer of the campus network and the Education Metropolitan Area Network, the core layer of the campus network and the enterprise network, the core laye

When laying an IPv6 network, we must improve the existing routers. Now, let's introduce the IPv6 core router launched by Huawei. Based on the devices, we can also set up corresponding networking solutions. ; Huawei recently launched the first 10 Gigabit IPv6 core router NetEngine 5000E (NE5000E) in China ). Adhering to the fifth-generation router concept, this device adopts distributed and scalable design based on advanced network processor technology, IPv6 technology, ASIC Technology, and optic

QoS Assurance Measures for VoIP services are currently the topic most discussed in the industry. IETFInternet Engineering Task Force) several technical solutions to support QoS are recommended, mainly including: Integrated Service Int-serv) /Resource Reservation Protocol (RSVP), Differentiated Services (DiffServ), Multi-Protocol Label Switching (MPLS), and business Traffic Engineering (Traffic Engineering. Telecom operators have also adopted some meas

show ip dhcp binding view DHCP address allocation Show ip dhcp pool view address pool information show ip dhcp snooping view DHCP listening configuration show port-security view port security configuration Show ip protocols view detailed routing protocol data show ip rip database view RIP database show ip VPN neighbors view the OSPF neighbor show ip VPN topology view the run show ip ospf neighbor: OSPF neighbor show ip ospf interfaces view the interface running OSPF protocol show ip ospf databa