11
:: What are Super servers?
These are fully-loaded
machines which includes multiprocessors, high-speed disk arrays for interview
I/O and fault tolerant features.
12
:: What is a TP Monitor?
There is no
commonly accepted definition for a TP monitor. According to Jeri Edwards' a TP
Monitor is "an OS for transaction processing".
13
:: TP Monitor does mainly two things extremely well. They are Process
management and Transaction management?
They were
originally introduced to run classes of applications that could service
hundreds and sometimes thousands of clients. TP Monitors provide an OS - on top
of existing OS - that connects in real time these thousands of humans with a
pool of shared server processes.
14
:: What is meant by Asymmetrical protocols?
There is a
many-to-one relationship between clients and server. Clients always initiate
the dialog by requesting a service. Servers are passively awaiting for requests
from clients.
15
:: What are the types of Transparencies?
The types of
transparencies the NOS middle ware is expected to provide are:-
Location transparency
Namespace transparency
Logon transparency
Replication transparency
Local/Remote access transparency
Distributed time transparency
Failure transparency and
Administration transparency.
Location transparency
Namespace transparency
Logon transparency
Replication transparency
Local/Remote access transparency
Distributed time transparency
Failure transparency and
Administration transparency.
The triggers are called implicitly by database generated
events, while stored procedures are called explicitly by client applications.
The grouped SQL statements are called Transactions (or) A
transaction is a collection of actions embused with ACID properties.
The client
The server and
Middleware.
The server and
Middleware.
The client side building block runs the client side of
the application.
The server side building block runs the server side of the application.
The server side building block runs the server side of the application.
Transport stack
Network OS
Service-specific middleware.
Network OS
Service-specific middleware.
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