SAP Versions
SAP Version :
wat
is current version of the application server? tell me the old version also.
There are no versions for application server . we have versions only for SAP
like SAP 4.6C, 4.7EE,ECC5.0,ECC6.0 etc
ABAP application servers are important software components of NetWeaver AS ABAP
since all ABAP progrums run on these servers.All ABAP application servers
including the message server represent the application layer of the multi-tier
architecture of an ABAP-based SAP System. These application servers execute ABAP
applications and communicate with the presentation components, the database,
and also with each other, using the message server.
In addition to several work processes whose number and type are determined at
the startup of NetWeaver AS ABAP, each ABAP application server contains a
dispatcher, a gateway and the shared memory. The tasks of these components are
briefly described in the following:
Work Processes
Work processes are components that are able to execute an application (that is,
one dialog step each). Each work process is linked to a memory area containing
the context of the application being run. The context contains the current data
for the application program. This needs to be available in each dialog step.
Dispatcher
The dispatcher is the link between the work processes and the users logged onto
the ABAP application server (that is, the SAP GUIs of theseusers). Its task is
to receive requests for dialog steps from the SAP GUI and direct them to a free
work process. In the same way, it directs screen output resulting from the
dialog step back to the appropriate user.
Gateway
This is the interface for the communication protocols of NetWeaver AS ABAP
(RFC, CPI/C). It can communicate with other ABAP application servers of the
same NW AS,
with other SAP Systems, or with external non-SAP systems.
Shared Memory
All of the work processes on an ABAP application server use a common main
memory area called shared memory to save contexts or to buffer constant data
locally.
The resources that all work processes use (such as programs and table contents)
are contained in shared memory. Memory management in the NetWeaver AS ABAP
ensures that the work processes always address the correct context, that is the
data relevant to the current state of the program that is running. A mapping
process projects the required context for a dialog step from shared memory into
the address of the relevant work process. This reduces the actual copying to a
minimum.
In addition to several work processes whose number and type are determined at
the startup of NetWeaver AS ABAP, each ABAP application server contains a
dispatcher, a gateway and the shared memory. The tasks of these components are
briefly described in the following:
Work Processes
Work processes are components that are able to execute an application (that is,
one dialog step each). Each work process is linked to a memory area containing
the context of the application being run. The context contains the current data
for the application program. This needs to be available in each dialog step.
Dispatcher
The dispatcher is the link between the work processes and the users logged onto
the ABAP application server (that is, the SAP GUIs of theseusers). Its task is
to receive requests for dialog steps from the SAP GUI and direct them to a free
work process. In the same way, it directs screen output resulting from the
dialog step back to the appropriate user.
Gateway
This is the interface for the communication protocols of NetWeaver AS ABAP
(RFC, CPI/C). It can communicate with other ABAP application servers of the
same NW AS,
with other SAP Systems, or with external non-SAP systems.
Shared Memory
All of the work processes on an ABAP application server use a common main
memory area called shared memory to save contexts or to buffer constant data
locally.
The resources that all work processes use (such as programs and table contents)
are contained in shared memory. Memory management in the NetWeaver AS ABAP
ensures that the work processes always address the correct context, that is the
data relevant to the current state of the program that is running. A mapping
process projects the required context for a dialog step from shared memory into
the address of the relevant work process. This reduces the actual copying to a
minimum.
wat is 4.7c?
wat is ecc means?
4.7c is a old version of SAP when compared to SAP ECC(Enterprise Central
Component) . For installtion of 4.7 you don't want any solution manager key.It
only having ABAP stack.
ECC 6.0 is a netweaver component.If you want to install in your system means
you required a solution manager key.With out solman key can cannot go further
installation.
ECC6 is netwear product having WASJAVA+ABAP. Secondly support unicode apart
from this we have other diff. you can get fom master guide from
service.sap.com/instguides
WAS means Web Application Sever, this concept is came from SAP ECC5.0 version
onwards. Before ECC5.0 version we are using Application sever concept only
There are no versions for application server . we have versions only for SAP like SAP 4.6C, 4.7EE,ECC5.0,ECC6.0 etc
ABAP application servers are important software components of NetWeaver AS ABAP since all ABAP progrums run on these servers.All ABAP application servers including the message server represent the application layer of the multi-tier architecture of an ABAP-based SAP System. These application servers execute ABAP applications and communicate with the presentation components, the database, and also with each other, using the message server.
In addition to several work processes whose number and type are determined at the startup of NetWeaver AS ABAP, each ABAP application server contains a dispatcher, a gateway and the shared memory. The tasks of these components are briefly described in the following:
Work Processes
Work processes are components that are able to execute an application (that is, one dialog step each). Each work process is linked to a memory area containing the context of the application being run. The context contains the current data for the application program. This needs to be available in each dialog step.
Dispatcher
The dispatcher is the link between the work processes and the users logged onto the ABAP application server (that is, the SAP GUIs of theseusers). Its task is to receive requests for dialog steps from the SAP GUI and direct them to a free work process. In the same way, it directs screen output resulting from the dialog step back to the appropriate user.
Gateway
This is the interface for the communication protocols of NetWeaver AS ABAP (RFC, CPI/C). It can communicate with other ABAP application servers of the same NW AS, with other SAP Systems, or with external non-SAP systems.
Shared Memory
All of the work processes on an ABAP application server use a common main memory area called shared memory to save contexts or to buffer constant data locally.
The resources that all work processes use (such as programs and table contents) are contained in shared memory. Memory management in the NetWeaver AS ABAP ensures that the work processes always address the correct context, that is the data relevant to the current state of the program that is running. A mapping process projects the required context for a dialog step from shared memory into the address of the relevant work process. This reduces the actual copying to a minimum.
In addition to several work processes whose number and type are determined at the startup of NetWeaver AS ABAP, each ABAP application server contains a dispatcher, a gateway and the shared memory. The tasks of these components are briefly described in the following:
Work Processes
Work processes are components that are able to execute an application (that is, one dialog step each). Each work process is linked to a memory area containing the context of the application being run. The context contains the current data for the application program. This needs to be available in each dialog step.
Dispatcher
The dispatcher is the link between the work processes and the users logged onto the ABAP application server (that is, the SAP GUIs of theseusers). Its task is to receive requests for dialog steps from the SAP GUI and direct them to a free work process. In the same way, it directs screen output resulting from the dialog step back to the appropriate user.
Gateway
This is the interface for the communication protocols of NetWeaver AS ABAP (RFC, CPI/C). It can communicate with other ABAP application servers of the same NW AS, with other SAP Systems, or with external non-SAP systems.
Shared Memory
All of the work processes on an ABAP application server use a common main memory area called shared memory to save contexts or to buffer constant data locally.
The resources that all work processes use (such as programs and table contents) are contained in shared memory. Memory management in the NetWeaver AS ABAP ensures that the work processes always address the correct context, that is the data relevant to the current state of the program that is running. A mapping process projects the required context for a dialog step from shared memory into the address of the relevant work process. This reduces the actual copying to a minimum.
wat is 4.7c?
wat is ecc means?
4.7c is a old version of SAP when compared to SAP ECC(Enterprise Central Component) . For installtion of 4.7 you don't want any solution manager key.It only having ABAP stack.
ECC 6.0 is a netweaver component.If you want to install in your system means you required a solution manager key.With out solman key can cannot go further installation.
ECC6 is netwear product having WASJAVA+ABAP. Secondly support unicode apart from this we have other diff. you can get fom master guide from service.sap.com/instguides
WAS means Web Application Sever, this concept is came from SAP ECC5.0 version onwards. Before ECC5.0 version we are using Application sever concept only
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