Hi Tomas,
I think the main problem is how to separate the BMP session with the
transport session. Even we choose a stateless transport, we also need to use
some mechanism to ensure the message is succeed send to the sever, e.g., use
sequence number in BMP RM message.
Regards,
Haibo
From: GROW [mailto:grow-boun...@ietf.org] On Behalf Of thomas.g...@swisscom.com
Sent: Wednesday, March 10, 2021 2:21 PM
To: rob...@raszuk.net; j...@dataplane.org
Cc: grow@ietf.org
Subject: Re: [GROW] is TCP the right layer for BMP session resumption?
Hi John and Robert,
Speaking as a network operator. I absolutely agree on your thoughts that a
stateless transport would be preferred over a stateful.
Best wishes
Thomas
From: GROW <grow-boun...@ietf.org<mailto:grow-boun...@ietf.org>> On Behalf Of
Robert Raszuk
Sent: Tuesday, March 9, 2021 10:38 PM
To: John Kristoff <j...@dataplane.org<mailto:j...@dataplane.org>>
Cc: grow@ietf.org<mailto:grow@ietf.org> grow@ietf.org<mailto:grow@ietf.org>
<grow@ietf.org<mailto:grow@ietf.org>>
Subject: Re: [GROW] is TCP the right layer for BMP session resumption?
I second John's comment with a bit more optimism.
As gRPC over QUIC is becoming a reality and de-facto messaging standard there
is going to be hardly any choice for any router's vendor to resist to implement
it.
Best,
R.
On Tue, Mar 9, 2021 at 9:57 PM John Kristoff
<j...@dataplane.org<mailto:j...@dataplane.org>> wrote:
On Tue, 9 Mar 2021 20:44:18 +0000
"Jakob Heitz \(jheitz\)"
<jheitz=40cisco....@dmarc.ietf.org<mailto:40cisco....@dmarc.ietf.org>> wrote:
> I've seen this session resumption technique in the '90s.
> BMP is a one-way protocol. The BMP server sends nothing.
I kind of wish my BMP router monitor was able to transport data over UDP
to the listening station like syslog and flow data. I would have
especially liked this after that time a blocked TCP port and the
inability to opena TCP connection once caused my BMP monitor router
doing the active open to crash (known and now fixed bug).
> Thus adding this is a significant rework of BMP.
I assume my desire for UDP above will never happen as a result. Oh
well.
John
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