Availability Anywhere Part 20 — Nested full-tunnel VPN in another full-tunnel VPN with force tunnel mode

This is the twentieth 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 already know how to use full-tunnel VPN from a virtual machine on the host with TCP over File System. Today … Continue reading Availability Anywhere Part 20 — Nested full-tunnel VPN in another full-tunnel VPN with force tunnel mode

Distributed Designs Part 3 — Taking lock in MVCC for transactional outbox pattern

This is the third part of the Distributed Designs series. For your convenience you can find other parts in the table of contents in Part 1 — Outbox without idempotency nor synchronous commit Last time we saw how to use transactional outbox pattern with multiple databases and no synchronous commit. We also learned how to … Continue reading Distributed Designs Part 3 — Taking lock in MVCC for transactional outbox pattern

Distributed Designs Part 2 — Transactional outbox pattern and multiple instances of relay

This is the second part of the Distributed Designs series. For your convenience you can find other parts in the table of contents in Part 1 — Outbox without idempotency nor synchronous commit Last time we saw how to use transactional outbox pattern with multiple databases and no synchronous commit. We learned how to synchronize … Continue reading Distributed Designs Part 2 — Transactional outbox pattern and multiple instances of relay