February 2008
Apsis Gmbh
by camel & 2 othersThe Pound program is a reverse proxy, load balancer and HTTPS front-end for Web server(s). Pound was developed to enable distributing the load among several Web-servers and to allow for a convenient SSL wrapper for those Web servers that do not offer it natively. Pound is distributed under the GPL - no warranty, it's free to use, copy and give away.
WHAT POUND IS:
1. a reverse-proxy: it passes requests from client browsers to one or more back-end servers.
2. a load balancer: it will distribute the requests from the client browsers among several back-end servers, while keeping session information.
3. an SSL wrapper: Pound will decrypt HTTPS requests from client browsers and pass them as plain HTTP to the back-end servers.
4. an HTTP/HTTPS sanitizer: Pound will verify requests for correctness and accept only well-formed ones.
5. a fail over-server: should a back-end server fail, Pound will take note of the fact and stop passing requests to it until it recovers.
6. a request redirector: requests may be distributed among servers according to the requested URL.
Pound is a very small program, easily audited for security problems. It can run as setuid/setgid and/or in a chroot jail. Pound does not access the hard-disk at all (except for reading the certificate file on start, if required) and should thus pose no security threat to any machine.
November 2007
Apache Synapse 1.1 - gridvm.org
by camelApache Synapse offers a wide range of connectivity, including HTTP/S, JMS, (S)FTP, SOAP, WS-ReliableMessaging and WS-Security. The project has been designed to allow administrators to support advanced functionality such as load-balancing, throttling, and failover without writing code.
The new Apache Synapse 1.1 release includes many enhancements based on feedback from users, including
* Apache VFS based file transport - supports File System, FTP, SFTP, JAR, ZIP, TAR, GZIP, Mime
* Scheduled Task support makes it simple to run repetitive tasks
* XQuery mediator - simplifies XML transformation with the XQuery standard
* POJO Command mediator - allows the creation of message-independent mediation logic
* DB Report and DB Lookup mediators - support message augmentation and database logging
* Cache and Throttle mediators/enhancements - improve performance and manage load on existing services
* Split/Clone/Aggregate mediators - support batch processing of large messages
* Improved logging and tracing support
With asynchronous support for HTTP and HTTPS, Apache Synapse has very high scalability under load, supporting thousands of concurrent connections even with limited threads. Combined with streaming XML support, Apache Synapse has class-leading performance results.
The Apache Synapse code and binaries are available from the website at http://ws.apache.org/synapse
February 2007
Woof - Partage simple de fichier par HTTP - Yop
by camel
Woof - Partage simple de fichier par HTTP - Yop
1
(3 marks)