Sahil Gupta, D. Gosain, Garegin Grigoryan, Minseok Kwon, H. B. Acharya
{"title":"演示:简单的深度包检测与P4","authors":"Sahil Gupta, D. Gosain, Garegin Grigoryan, Minseok Kwon, H. B. Acharya","doi":"10.1109/ICNP52444.2021.9651973","DOIUrl":null,"url":null,"abstract":"The P4 language allows \"protocol-independent packet parsing\" in network switches, and makes many operations possible in the data plane. But P4 is not built for Deep Packet Inspection – it can only \"parse\" well-defined packet headers, not free-form headers as seen in HTTPS etc. Thus some very important use cases, such as application-layer firewalls, are considered impossible for P4. This demonstration shows that this limitation is not strictly true: switches, that support only standard P4, are able to independently perform tasks such as blocking specific URLs (without using non-standard \"extern\" components, help from the SDN controller, or rerouting to a firewall). As more Internet infrastructure becomes SDN-compatible, in future, switches may perform simple application-layer firewall tasks.","PeriodicalId":343813,"journal":{"name":"2021 IEEE 29th International Conference on Network Protocols (ICNP)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Demo: Simple Deep Packet Inspection with P4\",\"authors\":\"Sahil Gupta, D. Gosain, Garegin Grigoryan, Minseok Kwon, H. B. Acharya\",\"doi\":\"10.1109/ICNP52444.2021.9651973\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The P4 language allows \\\"protocol-independent packet parsing\\\" in network switches, and makes many operations possible in the data plane. But P4 is not built for Deep Packet Inspection – it can only \\\"parse\\\" well-defined packet headers, not free-form headers as seen in HTTPS etc. Thus some very important use cases, such as application-layer firewalls, are considered impossible for P4. This demonstration shows that this limitation is not strictly true: switches, that support only standard P4, are able to independently perform tasks such as blocking specific URLs (without using non-standard \\\"extern\\\" components, help from the SDN controller, or rerouting to a firewall). As more Internet infrastructure becomes SDN-compatible, in future, switches may perform simple application-layer firewall tasks.\",\"PeriodicalId\":343813,\"journal\":{\"name\":\"2021 IEEE 29th International Conference on Network Protocols (ICNP)\",\"volume\":\"3 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE 29th International Conference on Network Protocols (ICNP)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICNP52444.2021.9651973\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE 29th International Conference on Network Protocols (ICNP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICNP52444.2021.9651973","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The P4 language allows "protocol-independent packet parsing" in network switches, and makes many operations possible in the data plane. But P4 is not built for Deep Packet Inspection – it can only "parse" well-defined packet headers, not free-form headers as seen in HTTPS etc. Thus some very important use cases, such as application-layer firewalls, are considered impossible for P4. This demonstration shows that this limitation is not strictly true: switches, that support only standard P4, are able to independently perform tasks such as blocking specific URLs (without using non-standard "extern" components, help from the SDN controller, or rerouting to a firewall). As more Internet infrastructure becomes SDN-compatible, in future, switches may perform simple application-layer firewall tasks.