Subject: [ipfix-eval] Real-World Experience with CRANE Protocol

From: "Ronen Megged" <[email-masked]>
Date: Sun, 17 Nov 2002 21:31:26 +0200

Hi,

I would like to share my views and experience on one of the protocols being reviewed by the IPFIX subgroup at IETF.

As a background, our platform provides intelligent signaling services to wireless carriers' networks.

Our platform requires the ability to export complex flow information that is related to short messages (SMS). The exported information is of high value to the carriers and therefore the carriers require fault tolerance in the interface between the operation and business support systems and our platform.

After an extensive evaluation of all available options, we decided to implement CRANE because it is the only solution that matched virtually all our requirements. Those requirements were:

- Reliability - ability to deploy redundant receivers and ensure that no records are lost due to network connectivity or receiver failure.
- Real-time - we needed delivery of the data within carrier's pre-determined configuration parameters. Typically, in the order of 500ms.
- Performance/scalability - we needed to export over 3,000 records per second from our device (one or two records are generated for every message/flow)
- Minimal impact on device - a critical function of our device is the ability to handle the messages/flows based on sophisticated policies. Impact must be minimal, both in case of normal processing, as well as in case of network/collector overload or failure.
- Proven technology - we wanted to adopt a technology with minimal risk with field proven deployments.

I realize that this is not a 100% match to the IPFIX requirements; however, we believe that carrier-grade reliability and scalability for flow-level granularity or aggregates thereof, is a crucial requirement for service providers. We believe that adopting a protocol with field-proven deployments in such environments has benefits. We were pleased to see that the overhead of achieving this reliability was minimal on our device and was well appreciated by our customers.

Ronen Megged
Director, Product Marketing
Airslide Systems
Tel: +972 9 970 9874
Cell: +972 54 416 463
Email: [email-masked]
Web: www.airslide.com

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