Network stack
A network stack is a layered set of protocols and software or hardware components that enables communication between applications and networked systems.
Latency
A network stack is the software and hardware subsystem that processes network packets across protocol layers between a physical network interface and applications.
- How it is used
- Identifies network processing within a node as a source of latency and a place to look for avoidable work.
- How deep it goes
- Traces NIC queues, driver notification, protocol responsibilities, and socket calls, while leaving detailed hardware notification mechanics aside.
- Examples
- Uses an HTTP request, a NIC-to-application packet-path figure, and connect(), sendmsg(), and recvmsg() calls.
- What you can do after
- Diagnose/debug with it by tracing where packet processing and deferred transmission can add work to a low-latency application.
Rust Servers, Services, and Apps
A layered collection of networking protocols and supporting implementations that enables communication between distributed system components.
- How it is used
- Connects distributed application components and carries web-application communication between servers.
- How deep it goes
- Defines the stack within a distributed-systems model and identifies HTTP as an application-layer protocol, but does not detail lower layers.
- Examples
- Uses distributed web applications such as social media, e-commerce, sharing-economy, entertainment, and cloud applications.
- What you can do after
- Evaluate/understand how distributed web applications place HTTP and server communication within a broader systems stack.
Read how Rust Servers, Services, and Apps explains network stack →
Related concepts
- kernel bypasscontrasts with · Kernel bypass is a networking technique in which application or userspace code accesses network hardware without routing packet processing through the operating-system kernel.
- socket interfaceused by · A socket interface is an operating-system programming interface through which applications communicate over network sockets and transport connections.
- TCP/IP protocol suiteuses · The TCP/IP protocol suite is a layered family of networking protocols that enables addressing, routing, transport, and communication across interconnected networks.
- microservice architectureused by · Microservice architecture is a software architectural style that organizes an application as independently deployable services with focused responsibilities that communicate through defined interfaces.
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