Category: Coding

Distributed Designs Part 1 — Outbox without idempotency nor synchronous commit

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Transactional outbox is a common pattern in the distributed systems. It helps to avoid having either orphaned records (for which messages were not published) or messages pointing to non-existing records (for which database entities do not exist). However, the pattern assumes, that the consumer is idempotent, so the consumer can handle duplicates easily by retrying … Continue reading Distributed Designs Part 1 — Outbox without idempotency nor synchronous commit

Availability Anywhere Part 14 — TCP over Named Pipe

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This is the fourteenth part of the Availability Anywhere series. For your convenience you can find other parts in the table of contents in Part 1 – Connecting to SSH tunnel automatically in Windows We built a very nice TCP over file System solution. Let’s now implement something similar, based on named pipes. Here comes … Continue reading Availability Anywhere Part 14 — TCP over Named Pipe

Availability Anywhere Part 13 — Optimizing FileProxy

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This is the thirteenth part of the Availability Anywhere series. For your convenience you can find other parts in the table of contents in Part 1 – Connecting to SSH tunnel automatically in Windows Last time we implemented TCP over File System (FileProxy). Today we’re going to check its performance and optimize it a bit. … Continue reading Availability Anywhere Part 13 — Optimizing FileProxy

Availability Anywhere Part 12 — FileProxy for avoiding VPN without split tunneling (also known as TCP over File System)

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This is the twelfth part of the Availability Anywhere series. For your convenience you can find other parts in the table of contents in Part 1 – Connecting to SSH tunnel automatically in Windows Some VPN applications disallow split tunneling. This means that once you’re connected to the VPN then you can’t access your local … Continue reading Availability Anywhere Part 12 — FileProxy for avoiding VPN without split tunneling (also known as TCP over File System)