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[Savannah-hackers] submission of Jeas: Java Enhanced Availability Server
r . merle
[Savannah-hackers] submission of Jeas: Java Enhanced Availability Server - savannah.gnu.org
Wed, 11 Sep 2002 13:33:27 -0400
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A package was submitted to savannah.gnu.org
This mail was sent to address@hidden, address@hidden
Renaud Merle <address@hidden> described the package as follows:
Package: Jeas: Java Enhanced Availability Server
System name: jeas
Java Enhanced Availability Server
is a parallelised web server written in Java.
It purposes a load balanced, fault-tolerent, high availability http server,
bases on the LVS model:
-1 Traffic Manager with his backup
-X Real Servers
-1 Data Server with his backup
The Traffic Manager redirect requests on Real Servers depending of their
current load (the less loaded get it).
Real Servers analyse the requests and elaborate an appropriate HTTP/1.1
compliant response before send it to the client.
The web content and datas are stored on the Data Server, not on the Real
Servers.Though Real Servers access datas via the Data Server.
Both Backup servers are exact clones of their primary server.
An hearthbeat system permits to detect a primary server crash ; if it happens
the backup server transparently substitute to the primary server by using ARP
Poisoning (also knew as ARP Spoofing or Gratuitous ARP).
When the primary server come back to life, the backup server detects it and
stops to send ARP Echo Replies.
All this features are massively unsing RMI APIs.
There is no official release right now but I am working on it.
Other Software Required:
It only requires a Java VM : http://www.kaffe.org
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