Hi >From my personal experience it¹s not as high as 10%, but I¹ve certainly seen a number of cases where either UDP/4500 or ESP, is blocked. (saw a timely example of this at the weekend..)
cheers From: IPsec <ipsec-boun...@ietf.org> on behalf of Tommy Pauly <tpa...@apple.com> Date: Saturday, 19 September 2015 00:44 To: Valery Smyslov <sva...@gmail.com> Cc: IPsecME WG <ipsec@ietf.org>, Paul Wouters <p...@nohats.ca> Subject: Re: [IPsec] WG Interest in TCP Encapsulation You asked about how widespread this issue is. I cannot provide exact numbers here, but on a global scale, I would estimate that around 10% of networks that mobile customers may be using will block UDP traffic, but allow traffic encapsulated as we define in the draft.
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