Application Delivery System Product Intelligent DNS Technology Introduction

in order to solve the problem that the north-South users visit the site across carriers slow, such as data center in Shanghai, the use of telecommunications link access, the general South is telecommunications, the north is a unicom user, then the user access to the North Unicom Telecom line Server slow, and vice versa. In order to solve this problem, the user will re-introduce Unicom's line, but how to realize the Unicom users through the domain name automatic access to the Unicom line, telecommunications users through the domain name automatic access to the telecommunications line, and two lines can implement fault-tolerant mechanism? Send Application Delivery System products pas-k Intelligent DNS technology can effectively solve the problem of inbound load balancing.

pas-kthe incoming load Balancing feature of thepas-kThe ability of external connections to internal servers to distribute traffic to multiple gateway lines. The flow-through load balancing function isDNS(domain name server), ifpas-kreceive the externalDNSrequest (Internal serverIPrequest),pas-ka line is selected in the available gateway lines based on the load balancing algorithm, and the Gateway Line'sIPaddress back to the external client. such as the load algorithm according to the source address method, the request of the Unicom user can return the IP of the Unicom line, the request of the telecommunication user returns the IP on the telecommunication line, therefore, the client can realize the fast access server.

PAS-K  answer DNS  when requested, PAS-K  PAS-K  inside. DNS  server. Moreover, in the superior The server will PAS-K  Log in as the name server.

the external superiorDNSserver in order to understand the domain in which the server residesIPAddress topas-kTransferDNSrequest. pas-kreceivedDNSSelect a gateway line after the request based on the load balancing algorithm that flows into the load Balancer service. The selected gateway line is thenIPaddress reply toDNSserver. DNSthe server will receive theIPaddress is forwarded to the client, the client uses thisIPthe address tries to connect to the domain where the server resides. This way, though it is for domains of the same domainDNSrequest, whenever receivingDNSthe request may answer differentIPaddress. Therefore, the client can use a differentIPaddress connects to a server, that is, a server can be connected through multiple gateway lines.

Here's an example of how Application Delivery system product Pas-k Load-balancing work process.

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Benefits of using Application delivery System products PAS-K Intelligent DNS technology:

Fastest content delivery: pas-k The network proximity to the requested content, the real-time load on the link, and the cost of the link are considered when deciding which link will provide the best performance for a particular content. As a result, end users will fully benefit from optimized services and extremely fast response times.

guaranteed uninterrupted Span style= "font-family: ' The song body '; font-size:16px;" > internet  access: Pas-k continuously monitor each   the status of the connection. It checks the path of each router's access to the Internet by periodically detecting the state of the network's internal and external nodes. Pas-k also automatically detects various faults, such as links, routers, servers and other failures. Check to ensure that only those access links that operate efficiently are used. Can install two sets of nlb The device implements redundant configuration to ensure uninterrupted internet link traffic management.

Maximum scalability: Adding new links and routers is simple, requires little configuration work, and does not require major changes to the network. Pas-k is completely transparent to the ISP, link, or router that you are using, and you can flexibly expand your multi-way network as needed.

Reduce the complexity of running costs and Multilink Network solutions: Pas-k can provide transparent traffic redirection with optimized links without user configuration, making routing simple and efficient. Ensure that you use multiple Internet links at the same time to ensure bandwidth and effective investment.

Application Delivery System Product Intelligent DNS Technology Introduction