HP ProLiant 800 Virtual Interface (VI) Architecture - The New Open Standard fo
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- HP ProLiant 800 | Virtual Interface (VI) Architecture - The New Open Standard fo - Page 1
to the SAN, how Compaq envisions utilizing VI Architecture, and where VI Architecture is headed in the industry standards community. Abstract: As business and technology requirements drive Intel-based servers to become clustered, a need for a high-speed, low latency communications service will be - HP ProLiant 800 | Virtual Interface (VI) Architecture - The New Open Standard fo - Page 2
logo, Wonder Tools logo in black/white and color, and Compaq PC Card Solution logo are trademarks and/or service marks of Compaq Computer Corporation. Microsoft, Windows, Windows NT, Windows NT Server and Workstation, Microsoft SQL Server for Windows NT are trademarks and/or registered trademarks of - HP ProLiant 800 | Virtual Interface (VI) Architecture - The New Open Standard fo - Page 3
3 Concept Overview The Virtual Interface (VI) Architecture, authored and developed by Compaq, Intel, and Microsoft, is designed for hardware and software vendors and provides adapters, switches, middleware, and end-user application software that will seamlessly grow as servers or workstations - HP ProLiant 800 | Virtual Interface (VI) Architecture - The New Open Standard fo - Page 4
are used. The VI Architecture provides a widely-supported set of commands to send reliable distributed messages between clustered servers, allowing applications to use reserved or pinned memory directly for message services between clustered servers. The VI Architecture also specifies a set of - HP ProLiant 800 | Virtual Interface (VI) Architecture - The New Open Standard fo - Page 5
server or workstation memory segments through VI operating system kernal support. This action will establish an endpoint as well as initialize local VI memory registers and memory memory with the operating system kernal to be used to send/receive messages or data transfer. • As the application starts - HP ProLiant 800 | Virtual Interface (VI) Architecture - The New Open Standard fo - Page 6
. The VI Architecture user will benefit in the a broad industry standard. Vendors from Compaq, Tandem, IBM, Oracle, and existing servers and storage, customers will not have the need to increase server capacity as ProLiant 6500 servers each supporting 70+GB of disk. This technology was voted Best - HP ProLiant 800 | Virtual Interface (VI) Architecture - The New Open Standard fo - Page 7
write into and out of pinned memory regions not requiring a kernal process. This frees the processor(s) up to do application-related processing its message passing and distributed processing features. Compaq will develop clusters of ProLiant Servers and/or NT Workstations to demonstrate its ability
White Paper
September 1998
ECG098/0998
Prepared by Industry Standard
Server Division
Compaq Computer Corporation
Contents
Concept Overview
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3
VI Architecture
Implementation
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4
Key Components
......................
5
Customer Benefits Utilizing
VI Architecture
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6
Advantages of VI
Applications
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6
Conclusion
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7
For More Information
..................
7
Virtual Interface (VI)
Architecture
- The New Open
Standard for Distributed
Messaging Within a Cluster
This paper will discuss the VI Architecture concept, its key components, its
benefits, its relationship to the SAN, how Compaq envisions utilizing VI
Architecture, and where VI Architecture is headed in the industry standards
community
.
Abstract:
As business and technology requirements drive Intel-based
servers to become clustered, a need for a high-speed, low latency
communications service will be a requirement. This requirement for high-
speed communication is further exacerbated as clusters grow from the
current 2 node cluster to multi-node clusters which can approach 16 – 32
nodes in some currently proposed configurations. This service should not be
encumbered by traditional multi-point protocols such as TCP/IP.
With these requirements in mind, Compaq has taken a leadership role in
creating and defining the Virtual Interface (VI) Architecture.
VI is a
distributed messaging technology that has been authored by Compaq, Intel,
and Microsoft. The specification, published December 16, 1997, provides
an open architecture promoting clustered computing with a transport layer
and Application Programming Interface (API) which can be utilized by
software and hardware vendors to provide high-speed and low latency
communications between servers in clustered server and storage
configurations. This concept is called a System Area Network (SAN).
VI Architecture is designed to be hardware independent and compatible
with current network interconnects such as ServerNet, Ethernet, and ATM.
This ability to rely on existing communications adapters and media will
help migrate existing protocols to VI Architecture. Since VI Architecture is
also processor independent, it will allow the architecture to be implemented
into silicon, therefore further improving communication performance.
Compaq will develop clusters of ProLiant Servers and/or NT Workstations
to demonstrate its ability to perform in the high end of the enterprise market
space. Compaq’s initiative in developing and setting standards such as VI
Architecture, in partnership with Intel and Microsoft, further strengthens its
presence in the IT marketplace as a high-volume, low-cost supplier of
quality x86 servers and workstations for enterprise level solutions.