First, give conclusions that can be used for decision-making
The interface document should at least describe the address, authentication, field, status, error code, flow limit and version. If you are missing, a temporary contract can be created from the log, existing code, a package sample and a database, confirmed by automated testing. If you can only operate the database directly, the services, privileges, upgrade compatibility and vendor support risks are assessed.
What conditions need to be identified before judgement is made?
The same question may have different answers under different business, data and project phases. It is suggested that the following conditions be checked and that the common findings on the web be incorporated into their own projects.
Suggested order of advance
First, we'll be clear about the target and the border.
Collection of existing calls, logs, codes, errors and operating rules.
Validation Key Dependence
Create field and state maps and document assumptions in isolated environments.
Development of assessable outcomes
Use a small read-only scene to verify, and then test, writing, repeating and abnormalities.
Make sure you decide the next step with the real results.
Repositioning of official interface compacts, test sets and subsequent change mechanisms.
How do you understand it in the actual business?
The old warehouse system does not have interfaced documents but has fixed export and database views, which allow for the synchronization of inventory and reconciliations with read-only means; writing out of the warehouse requires confirmation of the service and status rules and does not allow for direct guesswork of the table structure; examples do not represent the performance of a particular client, and actual conclusions need to be verified in conjunction with the enterprise ' s own business volume, sample, system and liability boundaries.
The easiest pit to step on.
You're not authorized to bypass the system security mechanism.
Only once, no errors and repetitions.
The temporary reverse result did not sink into the subsequent document
How should we end up receiving and confirming?
Acceptance and inspection shall include interface contracts, authentication, fields, error codes, thiphones, restricted flow, logs, abnormal recovery and upgrade risks, and the authorization and operational meaning shall be confirmed by the system authority and responsibility.
When preparing to communicate with suppliers or internal teams, it is recommended that current processes, representative samples, existing systems, planning time and budget levels be brought. First, the unknown items are clearly marked, and then the decision is made to use diagnostics, PoC, fixed-range projects or ongoing research and development, which is usually more reliable than a direct demand for a price and duration without borders.