gRPC - Quick Refresher

gRPC is a high performance, open source RPC framework initially developed by Google. It helps in eliminating boilerplate code and helps in connecting multiple services in and across data centers. It’s open-source, free-to-use and available on many different development platforms.

The framework is based on a client-server model of remote procedure calls. A client application can directly call methods on a server application as if it was a local object.

gRPC embraces HTTP semantics over HTTP/2, allows for client-server and duplex streaming of data and relies on protocol buffers(protobuf) as a serialization mechanism that allows it to be efficient. It provides low-latency and highly distributed systems such as microservices due to its efficiency, we can call remote methods the same way we call normal methods.

A number of different organizations have adopted gRPC, such as Square, Netflix, CoreOS, Docker, CockroachDB, Cisco, Nokia and Juniper Network and many more for streaming network telemetry instead of using SNMP. Stay tuned for the next post covering telemetry uses cases by using gRPC in networking.

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