OSI 7-Layer Network Model
I’ve been playing with Cisco switches and routers recently at home to get a handle on VLANs-more about VLANs later. Some people I know who have gotten involved in DataPower started out in system administration or networking and worked their way up the technology stack to SOA Appliances (WebSphere…
Protocol Transformations
Previously, I wrote a Wire Protocols post that outlined the common protocols that I’ve encountered when working with ESBs and SOA technology-especially DataPower. A primary function of an ESB is to provide the ability to convert service requests between these different protocols in a mostly…
Data Transformations
In a previous post, I described the different types of Data Formats that are commonly used with ESBs, XML Gateways, and SOA. Converting from one format to another is a common task performed by an ESB or XML Gateway. One can make arguments either way about whether this functionality should exist in…
Data Formats
To follow up on the Wire Protocol post, the next logical step in our SOA exploration is Data Formats. A web service message’s Data Format describes how the data is organized in the message.
Wire Protocols
Like so much of our computer industry, the ecosystem around SOA has many acronyms, buzzwords, and phrases that are supposed to mean something. Likewise, this jargon may be poorly defined or ambiguous. The posts that I have made over the past few months are slowly building up a common vocabulary…