Alexander Krizhanovsky's Contact Details

Alexander Krizhanovsky's Company Details

Tempesta Technologies Inc.

Lacey, Washington, United States • 11 - 50 Employees
Information Technology and Services

We're an established C and C++ development company of technology passionate professionals. We focus on solving sophisticated technical tasks and development of fast and secure software. We can help you to outperform performance results of your competitors by building new software components and/or optimizing existing projects.Tempesta FW (https://github.com/tempesta-tech/tempesta/) is our open source hybrid of HTTPS accelerator and a firewall, which is not only x3 faster than Nginx or HAProxy, but also provides advanced protection against application layer DDoS attacks and web attacks. You can observe the project to evaluate quality of our code.We provide custom software development from small proof-of-concept prototypes to entire products from scratch. To provide the best quality and maintainability of our code we use a mandatory code review, strict coding style, continuous integration and delivery systems. Also we provide access to our version control system at all phases of development process, so our work is always transparent.Areas of our expertise:* High-performance and low-latency network applications* Network security (DDoS mitigation, IDS/IPS, DPI, WAF, VPN etc)* HTTPS and DNS proxies and servers* Advanced data structures and algorithms* Machine learning* Cryptography* C/C++, x86-64 assembly and GPU offloading* Transactional and distributed database enginesSelected talks and articles:* Performance study of kernel TLS handshakes, NetDev 0x14, 2020.* Fast HTTP string processing algorithms,SCALE 17x, March 2019.* Linux Kernel Extension for Databases, Percona Live'16.* Tempesta: a framework for HTTP DDoS attacks mitigation,IBM CASCON'14* Lock-Free Multi-Producer Multi-Consumer Queue on Ring Buffer, Linux Journal, 2013.