Task migration and its issues
Task Migration It is the movement of an executing task from one host processor in distributed computing system to another. Task placement is the selection … Read more
Team EasyExamNotes
Load distributing algorithm
Introduction A distributed scheduler is a resource management component of a distributed operating system that focuses on judiciously and transparently redistributing the load of the … Read more
Communication between distributed objects
Various middleware languages like RMI required to make successful communication between distributed objects. Stub and skeleton objects works as communication objects in distributed system. RMI … Read more
Datarepresentation and Marshalling
External data representation At language-level data are stored in data structures At TCP/UDP-level data are communicated as ‘messages’ or streams of bytes – hence, conversion/flattening … Read more
Client server communication
Client server communication Clients and servers exchange messages in a request response messaging pattern. The client sends a request, and the server returns a response. … Read more
RPC mechanism
Implementing RPC Mechanism To achieve semantic transparency, implementation of the RPC mechanism is based on the concepts of stubs. Stubs It provides a normal/local procedure … Read more
RPC Implementation
Remote Procedure Call ( RPC) Implementation An RPC is analogous to a function call. Like a function call, when an RPC is made, the calling … Read more
Election algorithm
Election Algorithm Many distributed algorithm require one process to acts as coordinator, initiator, or otherwise perform some special role. The goal of an election algorithm … Read more
RPC messages
There are two types of messages involved in the implementation of an RPC system. Types of messages Call Message Reply Message Call Message This message … Read more
Distributed shared memory
Definition of DSM A distributed shared memory is a mechanism allowing end-users’ processes to access shared data without using inter-process communications. In other words, the … Read more