round robin load balancing algorithm

discarded.Features: Only one device is active, and when one is down the other is converted to the primary device immediately by the backup. The MAC address is externally visible, and from the outside, the MAC address of the bond is unique to avoid the switch from confusing. This mode only provides fault tolerance, so the advantage of this algorithm is that it can provide high availability of network connection, but its resource utilization is low, on

CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Upstream Mylocalsite {Server 10.0.2.137:8088 weight=2;Server 10.0.2.137:8089 weight=1;} This when three HTTP requests are made, two of them are assigned to the 10.0.2.137:8088 and one is assigned to 10.0.2.137:8089. Of course, at first, the requests that can be apportioned can be set not too rigidly, but when the number of requests is much more, it is almost as close to our assigned weights. Of course, in the

number of users that can be supported by the cluster system and the time required to process a request. 　　 Among the many existing methods of balancing server load, the following two methods are widely studied and used: 　　 DNS Load Balancing Method Rr-dns (round-robin D

The difference between four and seven layers of load balancing four layersThe so-called four layer is the fourth layer in the ISO reference model. Four-layer load balancing is also called four-layer switch, it is mainly through the analysis of IP layer and TCP/UDP layer of traffic implementation based on IP plus port

of the application itself. Stability is an effective measure of many factors affecting system performance, including the maximum number of users that can be supported by the cluster system and the time required to process a request. Among the many existing methods of balancing server load, the following two methods are widely studied and used: DNS Load

to 1. When the maximum number of times is exceeded, returns the time that the Proxy_next_upstream module defines the error 4.fail_timeout:max_fails after the failure.?Several common load-balancing algorithms1. Polling methodThe request is distributed sequentially to the back-end server, which treats each server on the backend in a balanced manner, regardless of the actual number of connections and current

Nginx's load balancing strategy can be divided into two categories: built-in policies and extension strategies. Built-in policies include weighted polling and IP hashes, which, by default, are compiled into the Nginx kernel, simply by specifying the parameters in the Nginx configuration. There are many extension strategies, such as fair, universal hash, consistent hash, etc., by default not compiled into th

efficiency, for each proxy, the proxy server must maintain two connections, one external connection and one internal connection, therefore, the load on the proxy server is very large for extremely high connection requests. The reverse proxy can execute the load balancing policy optimized for the application protocol, and only access the idle internal server at a

Installation and configuration is relatively simple, testing more convenient;4, can also bear high load pressure and stability, generally can support more than 10,000 times the concurrency;5, the Back-end server health check, only support through the port to detect, not supported by the URL to Detect.6, Nginx to the request of asynchronous processing can help the node server to reduce the load;7, Nginx can

# Set the runtime check time in seconds Lb_algo RR # sets the Load Scheduling Algorithm and RR as the round robin scheduling. Lb_kind Dr # Set LVS load balancing mechanism, NAT/TUN/DR three modes Nat_mask 255.255.255.0 # Persistence_timeout 50 # session persistence time in

the session to maintain, the big request header support is not very good, in addition, the default is only Round-robin and Ip-hash two load balancing algorithms.Haproxy is characterized by:1, Haproxy is working on the network 7 layer above.2, can add some of the shortcomings of Nginx such as the session of the maintenance, cookie guidance and other work3, suppor

This is a creation in Article, where the information may have evolved or changed. 1) Introduction The main implementation mechanism for GRPC load balancing is external load balancing, which is to provide the client with an updated list of servers through an external load bal

This article is the first article of load Balancing, which introduces load balancing algorithm and hardware load balancing. Part of the content is excerpted from reading notes. three,

distributed to each CPU, that is to say, the workload needs to be evenly distributed among multiple tasks to achieve a high acceleration coefficient. The static load balancing problem is an NP completeness problem in mathematics, Richard M. karp, Jeffrey D. ullman, Christos H. papadimitriou, M. garey, D. johnson and others proved the NP completeness of Static Load