Re: WG status 2003/08/13
"Marcus D. Leech" <[email protected]> Thu, 14 Aug 2003 09:16:54 -0400
| Newsgroups | gmane.ietf.itrace |
|---|---|
| Message-ID | <[email protected]> |
Pekka Savola wrote: > > > 2) iTrace is relatively lightweight, some vendors' ACL implementations > can't handle linespeed. E.g. with STM-16 (2.5 Gbit/s) interface, iTrace > might result in some 10-20 iTrace packets a second. Could be doable even > on sloppy CPU's if there are no crypto requirements :-) > At 10-20 iTrace packets a second, even with HMAC-MD5, the CPU consumption from the HMAC computation will be down in the noise. Look at the "Performance Assumptions" section of RFC3562 to get an idea of MD5 performance numbers. -- ---------------------------------------------------------------------- Marcus Leech Mail: Dept 8M70, MS 012, FITZ Advisor Phone: (ESN) 393-9145 +1 613 763 9145 Security Architecture and Planning Fax: (ESN) 393-2754 +1 613 763 2754 Nortel Networks [email protected] -----------------Expressed opinions are my own, not my employer's------