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on, may be necessary in some slices, but are not required in other network slices. Operators can tailor their network slices in the way they want, and may be the most cost-effective way.How to implement network slicing between the two (2) Edge and core cloud network slices: ip/mpls-sdnThe software-defined network, although a very simple concept when introduced first, is now becoming more and more complex. In the case of overlay, SDN technology is abl
For example, I need to apply this patch for my Linux source code:http://git.kernel.org/cgit/linux/kernel/git/davem/net.gi t/diff/?id=fe82b3300ec9c0dc4ba871f9a58b265aadf4e186First, I copy this paragraph to a file in local directory:/usr/src/linux-4.3/patch.file."Diff--git A/net/mpls/mpls_iptunnel.c B/net/mpls/mpls_iptunnel.cIndex 67591AE.. 64afd3d 100644---a/net/mpls
The current network construction has been developed from the original regional network to cross-regional, trans-city wide area Connection, and the security requirements of the network and the increasing carrying business, with the original means of networking many problems difficult to solve. Because of the inherent advantages of MPLS VPN technology, the special network has solved the problems that bother users and integrators. The following is the us
clear boundary, Do not want to provide their own internal network information to other people to share. This kind of function is distinct and has the characteristic of stratification, it is the main characteristic of overlapping model. The Peer-to-peer model unifies the control plane of the optical transmission network level and the Service Exchange network level, uses the unified control plane, from the control point of view, they are equal, does not divide the upper and lower level, its addr
code, virtual connection virtual concatenation, and Link Capacity Adjustment Scheme-LCAS. GSMP is designed to implement multiple data services and use statistical multiplexing to work with existing underlying transmission links. This not only improves the efficiency of transmission bandwidth usage, but also guarantees the QoS and SLA of connection services. It can be said that green is a simple and easy-to-use Adaptation Mechanism for transmitting Ethernet and Fiber Channel in the fiber network
service levels. High reliability:It adopts a highly reliable modular design method. All boards, fans, and power supply modules support hot swapping. It provides dual-power 1 + 1 backup modules with redundant backups and passive backboards; provides software hot Patching Technology to completely smooth upgrade of equipment; supports dynamic routing protocols, MPLS Traffic Engineering, and provides protection mechanisms such as IP/
It is very useful to learn about the cell packaging technology. So I studied the cell Packaging Technology in Cisco routers. I will share it with you here, hoping it will be useful to you. Cell packaging, also known as cell concatenation) is a mechanism that encapsulates multiple cell relay asynchronous transmission modes (ATM) cells into the same IP/MPLS group. It enables telecom operators to overcome the low bandwidth efficiency inherent in cell rel
How DCN and SDN meet new requirements New Technology of ip ran Network The traditional 3G/B3G network needs the basic bearer network to provide the Layer 2 capability to meet the needs of the Upper-layer network mobile service return. However, due to the introduction of S1-Flex and X2 interface, the basic bearer network must have three-layer switching capabilities. Based on the dynamic IP/MPLS protocol and key technologies, the ip ran is a solution t
1 Introduction Automatically Switched Optical Network (ASON) is a new type of network that can automatically connect to the network. It consists of three planes: control plane, transfer plane, and management plane. The control plane technology is its core. It can implement dynamic exchange using the control plane. GMPLS generic Multi-Protocol Label Exchange (MSTP) is a common Multi-Protocol Label Exchange Technology proposed by IETF, which is extended by MPL
belongs to the external gateway protocol EGP. 7.6.1 BGP and AS numbers The final route control table of BGP is represented by the network address and the router Group of the next stop. However, it performs route control based on the number of passed. 7.6.2 BFP is a path vector protocol 7.7 MPLS Currently, in addition to routing technology, tag switching technology is also used in the process of forwarding IP data packets. The routing technology is
destination. MPOA uses the Distributed Virtual routing technology to connect the ATM subnet and edge devices of the traditional LAN subnet, similar to the interface card of the virtual router, the entire ATM network connected to the edge device is the forwarding backplane of the virtual router. The Group forwarding function is separated from the routing computing function. The routing computing function is completed by the Routing Server. This separation improves forwarding efficiency and throu
requested port. VPN support The VPN on the IP address is described in the router technology above. Possible protocols include L2TP, GRE, IP Over IP, and IPSec. The VPN support capability should also be concerned. Encryption Method The router may use the encryptor mechanism in VPN implementation or other conditions to ensure security. Router technology uses CPU to execute software algorithms, which usually affects forwarding efficiency. Some router technologies adopt hardware encryption to impro
router may use the encryptor mechanism in VPN implementation or other conditions to ensure security. A router uses a CPU to execute software algorithms, which usually affects forwarding efficiency. Some routers adopt hardware encryption to improve forwarding efficiency. Router function indicator: MPLS MPLS technology is described in the router technology above. In addition to label switching,
transmission network that is interconnected by multiple manufacturers. In addition to dynamic control over Ethernet private line services, SUPPERCOMM05 also includes transmitting Ethernet virtual services through optical transmission networks. The client network can use the UNI2.0 signaling interface to control a 1-bit Ethernet Access link to dynamically request connections from the carrier network. 2. IETFGMPLSUNI Because a large number of SCNET/SDH-based network structures are installed, oper
offices, international regions, remote computers, roaming mobile users, and business partners due to business requirements, or the network structure is changed, enterprises can expand their VPN capacity and coverage at any time by relying on the ISP that provides the VPN service. VPN has an absolute price advantage over the leased line. Compared with ordinary PSTN dial-up connections, VPN is superior in terms of security and confidentiality. The Traditional VPN is basically built on Frame Rel
At present, telecom enterprises are seeking to integrate IP and optical network technology, in order to develop efficient advanced business. The first thing to overcome is the high complexity of IP services that are designed to support voice and fixed-circuit multi-tier architectures, resulting in the need for a control plane that extends from Layer 3 IP to layer 1. The goal of the GMPLS (Universal Multiprotocol Label Switching) technology is to cater to this need, and to extend the intelligenc
technology below the IP network layer, that is, the WAN technology mentioned above. In general, the topology of the core network is basically a large ring structure with a self-healing function, and the specific encapsulation can adopt various technologies, but almost no direct IP address encapsulation, because IP exchange is not a real exchange, it requires additional computing in it. These additional computing is routing search and address resolution. The core network exchange is basically a
other is the reliability of the network layer. Network reliability is an important part of man router reliability assurance. Due to the slow convergence of traditional router protocols (IGP in seconds and BGP in minutes), it cannot meet the requirements for carrying real-time services. Network reliability is also an active area in the new technology of man routers. Currently, the new network-layer reliability technologies mainly include fast convergence of IP routes, end-to-end LSP backup,
other is the reliability of the network layer. Network reliability is an important part of man router reliability assurance. Due to the slow convergence of traditional router protocols, IGP is in seconds and BGP is in minutes. Network reliability is also an active area in the new technology of man routers. Currently, the new network-layer reliability technologies mainly include fast convergence of IP routes, end-to-end LSP backup, MPLS fast re-routin
Differences between hybrid WAN and SD-WAN, wansd-wan differences The concepts of hybrid WAN and SD-WAN are often misused, and some people think they can replace each other. Hybrid WAN is a way of routing traffic across multiple connection paths, software-defined WAN (SD-WAN) Simplifies WAN management by centrally managing and providing business policy orchestration and security. These two methods have evolved into an important technology that supports the changing network needs of the cloud era
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