Re: [bess] Last Call: <draft-ietf-bess-evpn-df-election-framework-06.txt> (Framework for EVPN Designated Forwarder Election Extensibility) to Proposed Standard
"Satya Mohanty (satyamoh)" <satyamoh@cisco.com> Fri, 07 December 2018 17:09 UTC
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From: "Satya Mohanty (satyamoh)" <satyamoh@cisco.com>
To: Anoop Ghanwani <anoop@alumni.duke.edu>, "bess@ietf.org" <bess@ietf.org>
Thread-Topic: [bess] Last Call: <draft-ietf-bess-evpn-df-election-framework-06.txt> (Framework for EVPN Designated Forwarder Election Extensibility) to Proposed Standard
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Date: Fri, 07 Dec 2018 17:09:14 +0000
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Subject: Re: [bess] Last Call: <draft-ietf-bess-evpn-df-election-framework-06.txt> (Framework for EVPN Designated Forwarder Election Extensibility) to Proposed Standard
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Hi Anoop, Thank you very much for your editorial comments and review. We will take care of it. Best, --Satya On 12/7/18, 1:01 AM, "BESS on behalf of Anoop Ghanwani" <bess-bounces@ietf.org on behalf of anoop@alumni.duke.edu> wrote: I have reviewed the doc and I have mostly editorial comments. Thanks, Anoop == Throughout VLAN Bundle, VLAN bundle, VLAN-Bundle, VLAN-bundle -- make consistent VLAN Aware Bundle, VLAN-aware bundle, VLAN-Aware Bundle -- make consistent bridge table, Bridge Table -- make consistent (also add definition to terminology section) DF election, DF Election -- make consistent Default DF Election, default DF Election -- make consistent non-DF -> NDF Section 1 double Q-in-Q tags -> Q-in-Q tags double is redundant Section 2.1 Fig 1 is a bit confusing. If the idea of the rectangle is to show a core, then why have connections between PE1 and PE2, PE3, but not between PE1 and PE4? Change >>> Layer-2 devices are particularly susceptible to forwarding loops because of the broadcast nature of the Ethernet traffic. >>> to The effect of forwarding loops in a Layer-2 network is particularly severe because of the broadcast nature of Ethernet traffic and the lack of a TTL. Section 2.2.1 a v4 or v6 peering -> an IPv4 or IPv6 peering >>> >From a forwarding perspective, this is a churn, as it results in re-programming the PE ports as either blocking or non-blocking at potentially all PEs when the DF changes. >>> Why would the reprogramming change at all PEs? It should change for at most 2 PEs for each (ES,EVI) being reprogrammed. Maybe authors were trying to convey something else? Section 2.3 >>> DF Election procedure Generally >>> Missing a period. Section 3 specification in EVPN -> EVPN specification Section 3.1 DF WAIT, DF_WAIT -- make consistent DF Wait timer -- where is this defined? Ethernet Segment Route -> Ethernet Segment route stop DF timer -> stop DF wait timer (?) start DF timer -> start DF wait timer (?) Section 4 rather than the state of the server states -> rather than the state of the server (?) Section 4.2 Si is the IP address of server i -> Si is the IP address of PE i operator chooses so -> operator so chooses Note 0 <= i,j <= Number of PEs -- should this be "< Number of PEs"? Weight(V, Es, Sk) -> Weight(v, Es, Sk) Pseudo-random -> pseudo-random efficient deterministic -> efficient and deterministic V4 -> IPv4 V6 -> IPv6 _______________________________________________ BESS mailing list BESS@ietf.org https://www.ietf.org/mailman/listinfo/bess
- [bess] Last Call: <draft-ietf-bess-evpn-df-electi… The IESG
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… Anoop Ghanwani
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… Satya Mohanty (satyamoh)
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… Neeraj Malhotra
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… Neeraj Malhotra
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… John E Drake
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… Rabadan, Jorge (Nokia - US/Mountain View)
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… Rabadan, Jorge (Nokia - US/Mountain View)
- Re: [bess] Last Call: <draft-ietf-bess-evpn-df-el… Anoop Ghanwani