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Demonstration Experiments for DDoS Attack Countermeasure

JPRS has conducted a series of demonstration experiments with domestic ISPs to counter DDoS attacks targeting DNS from May 2019 to November 2021.



● Verification of coordination and mitigation measures among DNS operation organizations

Overview of Activity

We evaluated the DDoS attack countermeasure functions implemented in DNS software and the collaboration among DNS operation organizations using communication tools in the event of an attack, and provided feedback to DNS software vendors based on the experimental results.

Organization of Activity

This activity is a joint research effort with 9 domestic ISPs and JPRS.

Organization Name Abbr. URL
Japan Registry Services Co., Ltd. JPRS https://www.jprs.co.jp/
Energia Communications,Inc. ENECOM https://www.enecom.co.jp/
Okinawa Telecommunication Network Co., Inc. OTNet https://www.otnet.co.jp/
OPTAGE Inc. OPTAGE https://optage.co.jp/
QTnet, Inc. QTnet https://www.qtnet.co.jp/
Community Network Center Inc. CNCI https://www.cnci.co.jp/
SoftBank Corp. SoftBank https://www.softbank.jp/
Hokkaido Telecommunication Network Co., Inc. HOTnet http://www.hotnet.co.jp/
Hokuriku Telecommunication Network Co., Inc. HTNet https://www.htnet.co.jp/
FreeBit Co., Ltd. FreeBit https://freebit.com/

Publication List

OARC 35

Place: Online

Sponsorship: DNS-OARC

Date: 6 May. 2021

Title: Evaluation of anti-DDoS features in full-service resolvers

Related Links:

DNS Summer Day 2021

Place: Online

Sponsorship: DNS Operators Group, Japan

Date: 25 Jun. 2021

Title: Evaluation of anti-DDoS features in full-service resolvers (Only available in Japanese)

Related Links:

APNIC Blog

Date: 25 Oct. 2021

Title: Evaluation of anti-DDoS features in full-service resolvers

● Installation and operation of local nodes

Overview of Activity

Assuming a situation in which a DDoS attack targeting the authoritative DNS server of a TLD caused the server to lose its reachability, we verified whether the arrangement of local nodes, which was effective in a physical disruption caused by a large-scale disaster, would be effective in continuing the name resolution service even in a logical disruption caused by a cyber attack.

Organization of Activity

This activity is a joint research effort with 3 domestic ISPs and JPRS.

Organization Name Abbr. URL
Japan Registry Services Co., Ltd. JPRS https://www.jprs.co.jp/
OPTAGE Inc. OPTAGE https://optage.co.jp/
QTnet, Inc. QTnet https://www.qtnet.co.jp/
Hokkaido Telecommunication Network Co., Inc. HOTnet http://www.hotnet.co.jp/

Publication List

APRICOT 2021 Conference

Place: Online

Sponsorship: APRICOT

Date: 3 Mar. 2021

Title: Deployment of TLD Anycast node to ISPs for stability and resiliency

Related Links:

JANOG48 Meeting

Place: Online

Sponsorship: DNS Operators Group, Japan

Date: 15 Jul. 2021

Title: Service redundancy in various regions in Japan - with a view to local node installation (Only available in Japanese)

Related Links:

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