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Asked: 2026-06-09T04:36:27+00:00

i am building a network intrusion detection system using visual c++ and one of

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i am building a network intrusion detection system using visual c++ and one of its component is a tcp session manager for the whole network. The tcp session data is stored in a concurrent vector so that it can be accessed from other threads. I found out there is no easy way to remove a session from the concurrent vector once the session is closed. So my QUESTION is what is the smartest method you know of for removing items from concurrent vectors.

Smart == fairly easy to program without too much performance hit
Thankyou

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  1. Editorial Team

    I’d consider using a std::set instead of a vector here – especially if the number of items stored is large. I imagine you’ll also want to perform lookups frequently.

    Search and removal from the set is O(log(n)) complexity rather than O(n) for the std::vector – although the trivial insertion case in the is O(1) rather than O(log(n)) with the set.

    You will also need mutex to protect all of these operations.

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