July/August 2019 issue of acmqueue The July/August 2019 issue of acmqueue is out now

Subscribers and ACM Professional members login here



Networks

  Download PDF version of this article PDF

Error 526 Ray ID: 5276e3f12b8ce6fc • 2019-10-18 01:55:30 UTC

Invalid SSL certificate

You

Browser

Working
Newark

Cloudflare

Working
deliverybot.acm.org

Host

Error

What happened?

The origin web server does not have a valid SSL certificate.

What can I do?

If you're a visitor of this website:

Please try again in a few minutes.

If you're the owner of this website:

The SSL certificate presented by the server did not pass validation. This could indicate an expired SSL certificate or a certificate that does not include the requested domain name. Please contact your hosting provider to ensure that an up-to-date and valid SSL certificate issued by a Certificate Authority is configured for this domain name on the origin server. Additional troubleshooting information here.

acmqueue

Originally published in Queue vol. 10, no. 8
see this item in the ACM Digital Library


Tweet


Related:

Aleksander Kuzmanovic - Net Neutrality: Unexpected Solution to Blockchain Scaling
Cloud-delivery networks could dramatically improve blockchains' scalability, but clouds must be provably neutral first.


Jim Waldo - A Hitchhiker's Guide to the Blockchain Universe
Blockchain remains a mystery, despite its growing acceptance.


Yonatan Sompolinsky, Aviv Zohar - Bitcoin's Underlying Incentives
The unseen economic forces that govern the Bitcoin protocol


Antony Alappatt - Network Applications Are Interactive
The network era requires new models, with interactions instead of algorithms.



Comments

(newest first)

Daniel Feenberg | Thu, 06 Sep 2012 01:25:21 UTC

I don't see how the client can compute the offset between its timekeeper and the master's timekeeper while properly taking into account the network delay - unless the delay is assumed to be constant and the same in both directions. Those would seem to be a pretty significant restrictions. If that isn't the case, perhaps the calculation could be elucidated.


Leave this field empty

Post a Comment:







© 2019 ACM, Inc. All Rights Reserved.