Re: [IPsec] draft-kivinen-ipsecme-esp-null-heuristics comments

2009-02-10 Thread Grewal, Ken
>> [Ken] This may be feasible for stateful devices, but does not work >> for stateless devices (QOS/Statistics/auditing functions). Even in >> stateful devices, it requires coupling between observation on flows >> and the associated heuristics cache engine, which creates an >> additional overhead.

Re: [IPsec] draft-kivinen-ipsecme-esp-null-heuristics comments

2009-02-10 Thread Grewal, Ken
>At 2:33 PM -0700 2/10/09, Grewal, Ken wrote: >>Stateless firewalls are commonly employed for efficiency and as a crude >method for cutting off access to certain services - these are useful for >basic access control in cost effective, high bandwidth, network scenarios. >E.g. Corporations may not wa

Re: [IPsec] draft-kivinen-ipsecme-esp-null-heuristics comments

2009-02-10 Thread Paul Hoffman
At 2:33 PM -0700 2/10/09, Grewal, Ken wrote: >Stateless firewalls are commonly employed for efficiency and as a crude method >for cutting off access to certain services - these are useful for basic access >control in cost effective, high bandwidth, network scenarios. E.g. >Corporations may not w

Re: [IPsec] draft-kivinen-ipsecme-esp-null-heuristics comments

2009-02-10 Thread Grewal, Ken
Stateless firewalls are commonly employed for efficiency and as a crude method for cutting off access to certain services - these are useful for basic access control in cost effective, high bandwidth, network scenarios. E.g. Corporations may not want to allow various P2P protocols, discovery of

Re: [IPsec] draft-kivinen-ipsecme-esp-null-heuristics comments

2009-02-10 Thread Yoav Nir
gabriel montenegro wrote: >I'll just comment on one item below: > >> As the draft says this is mostly meant for stateful devices, and that >> has been the main goal for the document. The charter says: >> >> "A standards-track mechanism that allows an intermediary device, such >> as a firewall or i

Re: [IPsec] draft-kivinen-ipsecme-esp-null-heuristics comments

2009-02-10 Thread gabriel montenegro
I'll just comment on one item below: > As the draft says this is mostly meant for stateful devices, and that > has been the main goal for the document. The charter says: > > "A standards-track mechanism that allows an intermediary device, such > as a firewall or intrusion detection system ..." >

[IPsec] FW: Last Call: draft-ietf-btns-connection-latching (IPsec Channels: Connection Latching) to Proposed Standard

2009-02-10 Thread Yaron Sheffer
This is of interest to ipsecme WG participants, too. -Original Message- From: ietf-announce-boun...@ietf.org [mailto:ietf-announce-boun...@ietf.org] On Behalf Of The IESG Sent: Tuesday, February 10, 2009 17:00 To: IETF-Announce Cc: b...@ietf.org Subject: Last Call: draft-ietf-btns-connect