sdn openflow

through network slicing technology, which is a very cost-saving practice!Application Requirements for network slicingThe 5G network slices illustrated in the 5G white paper published by NGMN are as follows:NGMN 5G Network Slices How do we implement end-to-end network slicing? (1) 5G Wireless access Network and core network: NFVIn today's mobile network, the main device is the mobile phone. The Ran (Du and RU) and core functions are built by the dedicated network equipment provided by the RAN ve

ABAP: Http://blog.chinaunix.net/u2/67664/article_84414.html Web dynpro Java Foundation-What's New in SAP NetWeaver 2004 SHttps://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/c29a4d25-0c01-0010-50ae-e69d0e1c61f3 SAP Web dynpro OverviewHttp://wendtstud1.hpi.uni-potsdam.de/sysmod-seminar/SS2005/presentations/12-WebDynpro-Overview.ppt Web dynpro general conceptsHttps://admin.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/WebContent/UUID/

NFV white Paper, and proposed the NFV objectives and action plan, which aims to decouple the software and hardware of traditional telecommunications equipment, based on common computing, Storage and networking devices enable telecom network functions, improve management and maintenance efficiency, and enhance system flexibility.After more than 3 years of development, NFV technology has become increasingly mature, into the rapid development period, standards organizations, open source organizati

Web dynpro Java Foundation-What's New in SAP NetWeaver 2004 S Https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/c29a4d25-0c01-0010-50ae-e69d0e1c61f3 SAP Web dynpro OverviewHttp://wendtstud1.hpi.uni-potsdam.de/sysmod-seminar/SS2005/presentations/12-WebDynpro-Overview.ppt Web dynpro general conceptsHttps://admin.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/30ea953b-8e57-2910-4e85-f7be60b00407 Web dynproHttp:

networking Systems, Gartner, Feb 7, 2017," defined Ibns must have the following four capabilities: translation and validation, automatic installation, network State awareness, accurate diagnostics, and dynamic optimization and remediation. IBNS provides a new way to build and transport the network, which improves the usability and agility of the network. The system can make appropriate network changes across existing network facilities and is automatically completed by the network. IBNS also p

1. Data Control SeparationData control separation is one of the main features of SDN, as shown in the following figure From a functional standpoint, the control plane is primarily a local data set, the routing information Base (RIB). The control plane is based on rib creation forwarding (also known as forwarding information Base (FIB)), which is used to guide data traffic forwarding between the device's access ports. The data plane is the high-speed f

change, the standard will not be useful. in the telecommunications industry, from a motion to the standard, and then to the product business, how to take a 5 - year time, but in the user and business rapid iteration today,5 years time, the yellow vegetable is cool. This is not, we ushered in a choice question, that is in SDN/NFV of open-source controller level, the telecommunications industry will choose? is to choose it/the Internet world has been

digital unit (DU), RF unit (RU) and core network components all use dedicated devices provided by equipment vendors. For example: To achieve Network slicing, Network Function Virtualization (NFV) is a prerequisite. In essence, the so-called NFV is the hardware and software functions of dedicated equipment in the network (such as MME, S/P-GW and PCRF in the core network, the digital unit DU in the wireless access network, etc) transfer to a Virtual machine (VMs. These virtual hosts are commerci

Amazon announces support for VPC traffic logs in Asia Pacific (Seoul)Amazon announces support for VPC traffic logs in Asia Pacific (Seoul). The VPC, subnet, and elastic IP-related network traffic that opens the traffic log will be logged and the user can store the analysis through Cloudwatch or third-party tools. Connection: http://aws.amazon.com/cn/about-aws/whats-new/2016/06/ announcing-amazon-vpc-flow-logs-support-in-the-asia-pacific-seoul-region/ Analysis: The user can perceive

I declare that this article does not involve any specific APIs or specific vendors, but it is worth noting that, the successes and failures of some acceleration board manufacturers are precisely due to their versatility. In this era where people are still dependent on professional boards, boards are still regarded as specialized problems, vendors that represent these boards and claim that they can solve common problems should be cautious! Although I am very optimistic about generic boards, I am

such as UINavigationController to organize your interface. In this way, the program logic is very clear. Of course, you can organize many tabs instead of three. The following Code demonstrates how to create a UITabBarController object and add multiple tabs to it. (BOOL)application:(UIApplication*)applicationdidFinishLaunchingWithOptions:(NSDictionary*)launchOptions{ //Overridepointforcustomizationafterapplicationlaunch. //CreatethenavigationController UINavigationController*localN

"I would like to introduce virtualization technology in a step-by-step manner, but the recent work in analyzing open vswitch technology, I want to take advantage of the memory of the openvswitch of the understanding of the detailed summary down" This article summarizes the documentation provided by Openvswitch website openvswitch. org, as well as other relevant materials. Open Vswitch Overall Overview: > Apache 2.0 protocol. > Software-only multilayer virtualization switches. > Support

Queried # Include "LDAP. H" # Include "stdio. H" Int main () { LDAP * LD; Ldapmessage * res, * E; Int I, version; Char * server; Int * port; Char * DN; Char *; Berelement * PTR; Char ** Vals; Char ** ppvalue = NULL; Char * SDN; Server = "192.168.1.17 "; Port = 389; // Connect to the server If (LD = ldap_open (server, Port) = NULL) { Printf ("no connect "; Exit (1 ); } // Set the server version Version = ldap_version3; Ldap_set_option (LD, ldap_opt_pro

];Cm_get_device_id (devinstparent, szdeviceidstring, max_path, 0 );Printf ("DeviceID = % s \ n", szdeviceidstring );*/ // Open the disk or CDROM or floppyHandle hdrive = createfile (pspdidd-> devicepath, 0, file_pai_read | file_pai_write, null, open_existing, 0, null );If (hdrive! = Invalid_handle_value ){// Get its device numberStorage_device_number SDN;DWORD dwbytesreturned = 0;Res = deviceiocontrol (hdrive, ioctl_storage_get_device_number, null, 0,

routers, switches, firewalls, Server Load balancer, application delivery controllers, and other physical devices. It reduces capital expenditure (90% in some cases) and operating costs, it also increases the capability of resource allocation and mobilizes services. It provides all the network services required by virtualized applications and places them on another virtual machine on the same server; applications do not need to leave the server, which reduces traffic and costs in the South and N

NFV needs to be commercially available on several fronts When talking about networks, there are two words that cannot be bypassed at all, namely SDN and NFV. SDN emphasizes the separation of forwarding and control. By introducing a new control plane, it shields details of forwarding plane from different manufacturers and realizes intelligent and centralized network control functions; NFV emphasizes the dec

Nicira network virtualization architecture: Is it the online version of VMware? 1) It introduces network virtualization released by Nicira this month, and its relationship with OpenFlow. This article will continue to introduce how Nicira abstracts physical networks? Major customers of Nicira network virtualization. How do you abstract a physical network? Is OpenFlow used? Casado: A group of servers are used

1 What is OpenvswitchOpenvswitch, referred to as OvS, is a virtual switching software that is used primarily for virtual machine VM environments, as a virtual switch that supports Xen/xenserver, KVM, and VirtualBox multiple virtualization technologies.In this virtualized environment of a single machine, a virtual switch (vswitch) has two main functions: passing traffic between VM VMS and enabling communication between VMs and outside networks.The entire OvS code is written in C. The following fe

Explanation of X.509 Certificate DN December 4 th, 2008 BySoloman || 823 views X.509 uses the DN (distinct name) to uniquely identify an object. Its function is similar to the ID we usually use. However, the difference is that the DN is no longer a digital identifier similar to 123456, multiple fields are used to identify an object, such as "cn =, c = cn". The advantage of this is that it is convenient to match to directory services such as LDAP. Can the DN field be added at will? For example,

device, TLS encryption decryption (symmetric encryption, asymmetric encryption, abstract ...), Http,https (I tried to learn, but eventually did not learn the HTTP related application layer ...), VRRP,HSRP,OSPF ... I learned the ECC Elliptic curve algorithm and know what is called Double certificate authentication, but I think the most important thing for me is that I changed the logic of Linux Bridge in 2013, making it conform to the idea of SDN!What