Zato Blog

Open Source ESB, APIs, AI
and Cloud Integrations in Python

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Understanding traffic flow in an HTTP cluster

Dariusz Suchojad
January 24, 2014
While Zato can support AMQP, WebSphere MQ, ZeroMQ or FTP as well, the majority of environments will use the ubiquituous HTTP protocol only and this post describes the traffic patterns within a typical HTTP-only cluster consisting of a load-balancer, web admin, Redis, SQL ODB and two servers, right after it’s been installed without any user-specific customizations.

Topics: REST

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HTTP access log

Dariusz Suchojad
January 12, 2014
A Zato ESB and application server feature that has just been added on GitHub is an HTTP access log. This is an additional log to what has been already available in regular server logs and keeps nothing but information regarding HTTP requests in a format used by Apache httpd. This makes it possible to use existing tools in order to parse and extract interesting information out of the logs.

Topics: REST

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SOA and REST hand in hand - reusable RESTful HTTP channels in Zato 2.0

Dariusz Suchojad
November 11, 2013
Overview It has been possible to create reusable REST services in Zato right from the release 1.0 however a feature that recently landed in GitHub and that will be released in Zato 2.0 makes it easier to use of RESTful URLs, also known as clean URLs. This blog post presents HTTP channels and an upcoming one will deal with HTTP outgoing connections. The goal The diagram below depicts what we’d like to achieve - 3 independent applications invoking the same service yet each using separate URLs.

Topics: REST