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SLB ( Server Load Balancer )
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SLB (Server Load Balancer)

 
SLB (Server Load Balancer) SLB (Server Load Balancer)-UI Demo    
 
 
 

      Overview

 
CLUNIX AEGIS SYSTEM L4 is
- the updated load balancing switching system that integrates element solutions to process a number of user connections to Internet server with parallel distribution as well as various monitoring and controlling functions in a small switch type server.

- High capacity, High availability Load distribution solution for building non-stop service.

- Appliance type system L4 equipment performs systematic load distribution, loaded with "EnCluster LB SW" applied with the latest cluster technology.
 
SLB (Server Load Balancer)-Overview
 

      Usage

 
- Load balancing of Web servers and Mail server
- Load balancing of servers for Web hard, Web mail, Groupware,etc.
- Duplexing of network devices such as firewall, etc.
- Integrating solutions including Spam filter/ Firewall /Vaccine / Duplexing, etc. (Possible to be loaded as option in the future)
 

      Featrues

 
5 port full Gigabit L4 Load Balancing :
- Provision of total 6 gigabit-ports enables load lalancing by connecting 6 servers internally or connecting 5 servers to an external gigabit line.
Excellent Scalability :
- In load balancing of more than 6 servers, it is possible to unlimitedly extend AEGIS SYSTEM L4 through parallel connection.

Amazing Reliability of Symmetric fault recovery :
- Simple connection of two AEGIS SYSTEM L4's guarantee non-stop service by automatic H4 configuration.
- In breakdown, any Linux application server connected AEGIS SYSTEM L4 can take over L4 load balancing function without an additional L4 switch to realize non-stop service.
Easy Installation and convenient management with Web UI :
-Web based easy and convenient management tool of AEGIS SYSTEM L4 helps direct and simple installation.
Future Extensibility of various additional function :
- Beyond a simple load balancing function of L4 Switch , additional modules like Centralized server management , Spam filter, Firewall, Vaccine, HA configuration could be loaded in the future.
- Without additional purchase of a device or expensive Clustering solutions, it is possible to implement failure monitoring of connected server and HA Clustering only with purchasing additional Software.

Load balancing solution from supercomputer technology certified by Korea Government.
AEGIS SYSTEM L4 was developed by CLUNIX, the most famous high-performance and high availability supercom-speciallized company in Korea, based on its Load balancing and Scheduling technology.
In Korea, over 400 customers use this new generation L4 system.
( Excellent symmetric failover technology acquired KT and GS mark given by Korea government)
 

      Configuration

 
SLB (Server Load Balancer)-Configuration
 

      Basic Function

 
Load Balancing (L4 Switching) :
- Assigning user requests to the same server with a session management function.
- Unlimited capacity extension with simple connection of AESIS SYSTEM.
- Adjusting a work rate of laod balancer ( Director weight down factor)

Symmetric failover :
- Alternative server election in server breakdown of a specific service
- Alternative load balancer election in breakdown of a load balancer

Intelligent Cluster management :
- Extending or reducing Clusters without service stop
- Automation of all functions such as failure detection and service take-over
- Managing all functions conveniently with Web UI

Fault sensing :
- Automatically sensing and notifying any breakdown of a server
- Monitoring normal service operation in a server

Monitoring :
- Recording and real time monitoring of system and service status
- Alarms on breakdown and log record management
- Automatic reporting toolsand
 

      Additional functions

 
Server system Consolidation & Management :
- Web based integrated management of all connected servers
- Monitoring normal operation of connected servers
HA : Active-standby mode application running in connected servers
Spam filter : Blocking more than 90% of spam mails
Vaccine : Virus scanning and quarantine
Firewall : Blocking access other than permitted ports and IPs
 

      Specification

 
External element : 1U Rackmountable chasis / LCD indicator
Size : 428 (W) - 458(L) - 44(H)(mm)
Memory : Dual channel DDRII 533/667MHz
HDD : SATA2 extendible up to 2ea
Gigabit interconnection :
- 6-port Gigabit Ethernet
- Supports network bypass by programming relay in system breakdown
PCI Extension : 32bit /33 MHz PCI slot (master, low profile) 2ea
 

      Reference

 
- Educational sites in Korea over 300
- IT companies like KT, Shopping malls, Portal sites, etc
 
 
SLB (Server Load Balancer)-Reference
 
 
 
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